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健康的怎么用英语写作文

2023-08-19 09:09:08
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阿啵呲嘚

1. 你是怎样保持健康的, 用英语写作文 越短越好

How to keep healthy

It"s important to stay healthy,There are different ways to keep healthy.

1 Do more exercises.

2 eat more vegetables and fruit,seldom eat meat,

3 don"t work on the puter too much at night

If you can do these,you will be more healthy.

2. 用英文写一篇"怎样保持健康"的作文

How to keep healthy

What is the most important thing in the world? I think it is health.

You can take away our money, house, car, or even our clothes and we can survive. But if our health was taken away, we would surely die. That is why we always try to eat in a healthy way and exercise regularly.

In order to eat healthily, I usually avoid eating food high in fat, like French fries or cookies. I also eat little meat. I eat a lot of vegetables and fresh fruit which are full of vitamins.

Taking exercise every day helps us build a strong body. Regular exercise is an important part of keeping me healthy.

What"s more, I think friends are an important part of one"s health. Many studies show that people with a wide range of social contacts get sick less than those who don"t. I always feel better when I am with friends than when I am alone. When I am with my friends, I always laugh. Laughing is also an important part of health. I like to laugh with my friends.

By eating properly and exercising regularly, I can keep my body at a proper weight and keep healthy. By spending time with my friends, I can keep my mind as well as my body happy. These things sound easy to do, but not many people can manage them. I think a strong will is necessary if we want to keep healthy.

3. “怎样保持健康”的英语作文怎么写

《How to Keep Fit》

A healthy body is very important to every one of us. When you are sick, you feel painful all over your body, have no energy to work; and the only thing you want to do is lying on the bed. When you are healthy, you can eat well, sleep well, sing and jump happily, do all the things you like to enjoy life.

The methods to keep us fit vary. In the morning, you can get up early, go outdoors, breathe the fresh air, and do physical exercises. Running and swimming are extremely helpful to keep one fit. If you are a busy person and have no special time allocated to do these things, there are still some ways useful for to keep fit. The easiest way is to walk to your office instead of riding a bike or taking a bus. You also have to take a routine physical check - up. Your doctor will know the condition of your body most clearly, and he will give you the most valuable advice to keep fit. You should always try to make yourself happy. If you feel happy, you can eat well, sleep well, and your body is sure to be in an excellent condition.

Health is the most valuable possession a person expects in his life. Try every means to keep fit is my advice to the people who want to live a happy life in this beautiful world.

4. 关于身体健康的作文,用英语写

As the saying goes: "Hunger breeds discontent." Today"s society, many of the hotel where they stand, rush from a variety of cuisine, in Fujian, Sichuan, Guangdong, Shandong 。

dishes outside of Italy, French, Japanese cuisine, Korean food and so on. We all know that health is to do anything for money, health is closely connected with the food. Today, we take a look at the food on the table now. Food is divided into many kinds of vegetables and fruit, beans, meat, cereals, dairy categories, such as fat. Combination of these categories into a food pyramid, all affect our health. Therefore, in order to achieve a reasonable meals with more vegetables, fruits, less meat, fat category. Cereals-based food, may be an appropriate increase in beans, dairy products category, and we have to remember that eating only eight full meals, not being choosy food anorexia, can not be overeating, eating clean food is most important. In food, contain a people"s health play an important role in the elements - vitamins. Vitamins are divided into A, B, C, D. Different vitamins have different functions. Vitamin A is usually in red, black, more food, such as carrots, black beans and so on. Its main function is to protect the eyes, can be used to protect their eyesight, the treatment of night blindness and other evidence of vitamin C in fruits and vegetables often, it is conducive to the treatment of scurvy, skin diseases. The discovery also has a story: a ship adrift at sea for several days, many sailors have had scurvy, one of a very serious disease, abandoned on a desert island. This after a number of sailors to eat lemons, did not expect that scurvy disappeared. The news of a spread of 100. Lemon after scientists found a large quantity of vitamin C, used to treat disease scurvy. Vitamin B, D and there are many functions, not in this more. Of course, we should pay attention: do not mix in some food to eat, in order to avoid danger. Such as shrimp and vitamin C at the same time can not eat, crabs can not eat persimmons with 。

5. 用怎么变得健康写 一篇英语作文

HOW TO KEEP HEALTHY

As a middle school student,keeping healthy is very important.If we don"t pay attention to keep healthy,we can"t study well.But most of the students don"t know how to do it.Do you know the ways to keep healthy?Now,let me give you some advice.

Firstly,we should eat more fresh vegetables and fruits instead of eating the food with fats and sugar.By this we won"t be fat.We should also drink less alcohol and drinks.And we shouldn"t *** oke.Secondly,we ought to have a goog living habit.Getting up early and going to bed early can help us keep healthy. Besides this,we can take regular exercise to have a healthy body. Thirdly,we shouldn"t be too tired.It"s bad for our health.

All in all,we should pay more attention to keep healthy.Don"t wait any more!Let"s start now

6. 关于健康的英语作文

Many people have realized the importance of health. As the clothes against the cold, with one of the health is also a necessary condition of human existence, while it is often overlooked. I keep the secret of health: adequate sleep, early hours, a healthy diet. In order to better health, daily morning exercise is the best way. Can often be seen, many elderly people in the square fitness, and many young people also love to play some fitness equipment. In addition, a sunny weekend with the family parents went out for a walk is also a good exercise, in short, we should know that health is the most valuable human. 很多人们已经意识到健康的重要。

正如衣物御寒一样,拥有健康也是人类生存的必要条件之一,而它却往往被忽视。这是我保持身体健康的秘决:充足的睡眠,早睡早起、健康饮食。

如果要想更健康一些,那么每天的晨练是最好的方法。经常可以看见,很多老年人在广场健身,而很多年轻人也喜欢玩一些健身的器材。

除此之外,在阳光灿烂的周末跟家家长出去散步也是很好的锻炼,总之,我们应该知道,健康是人类最宝贵的。给好评哦???。

7. 帮我写几篇关于健康的文章(用英语写)

There is no way for a healthy diet which works for everyone, but scientists know a lot about what causes illnesses like heart disease and diabetes(糖尿 病). Learning about plans like the Healthy Diet Pyramid can help to avoid these illnesses. The Healthy Diet Pyramid is just a guide to what is good to eat and what is not. It suggests the correct bination of foods you can eat each day to get the number of calories and nutrients you need. Foods can be split into four major groups and ideally we should eat some from each group on a daily basis. The ones we should eat least are at the top of the Healthy Diet Pyramid and these are oils, fats, sugar and salt. Next are foods which e mostly from animals: meat, poultry(禽肉), fish, eggs, yoghurt, cheese. These foods are rich in protein, calcium, iron and zinc (锌). The third level of the pyramid contains vegetables and fruits. Many people need to eat more of these than they do now, because they supply essential vitamins, minerals and fibre. At the very bottom of the pyramid and in the largest group of foods are those which e from grains: rice, noodles, ce-reals(谷类食物) and pasta(意大利面食). These foods should be the largest part of the foods you eat each day because they provide an important source of energy, as well as vitamins, minerals and fibre. You may think that foods which e from grains are fattening, but in fact it is the way you cook them that is fattening. You should have beeen five and seven servings of grain foods a day. Fruit and vegetables should be eaten at least ice a day; meat and other proteins o to three times a day. Some extra tips: trim the fat off meat and broil, roast, stew or grill it rather than fry; try to eat a low amount of egg yoke(蛋黄) which is high in cholesterol(胆固醇) — use egg whites to increase quantity. Nuts and seeds contain a lot of fat, so try not to overeat these. All of them are food for thought!。

8. 如何保持健康的英语作文

How to Stay Healthy(如何保持健康)

1.健康很重要;

2.如何保持健康?(可从适当的营养、充足的睡眠、经常的锻炼方向考虑。)

[写作导航]第一段写虽然人们越来越重视健康,认为健康是最重要的财富,但对如何保持健康却不一定清楚,引出“我”的建议。第二段写“我”有三条建议,一是吃富含蛋白质的食品、蔬菜和水果,不要吃得过甜、过油腻以及过量;二是保证充足睡眠,至少每天睡8小时,如有可能,也应午休;三是适度锻炼,因为“生命在于运动”。第三段总结全文。

[范文]

People are beginning to attach much more importance to their health these days than ever before. They begin to realize that good healthis the most valuable possession a person can have. However, many people don"t know how to stay healthy although great efforts have been made in this regard. In my opinion, there are three things we can do if we want to be in good.

First, we should have the right food, because proper nutrition is the most important for good health. Avoid foods with lots of sugar and fat. Eat plenty of high protein foods, vegetables and fruits. Do not overeat. Secondly, we should get proper amount of sleep, because without enough sleep, we will often feel tired and irritable. Allow ourselves at least eight hours of sleep each day. Have a nap at noon if time permits. Finally, we should exercise regularly, because"life depends on exercise". Regular exercise strengthens our hearts andlungs. In addition, it prevents us from putting on weight.

If everyone is to do so, there will be much less plaining about poor health and there will be much more happiness in our life.

如果觉得不错的话,加点分吧,谢谢~~好辛苦

9. 健康的重要性,英语作文,带翻译

Healthy eating is important for us in our daily life. Food can give us energy and help us build up our body. What and how should we eat to be healthier? First, we should have enough clean food each meal. Second, it"s important to keep a balanced diet. Different kinds of food provide us different nutrition we need every day. Third, we should have a regular meal. In this way, we"ll be strong and healthy, and we"ll do well in our study. I"m sure we will all be healthy one day! 健康饮食对我们很重要在我们的日常生活中。

食物能给我们能量,帮助我们建立我们的身体。我们又该如何吃更健康吗?首先,我们应该有足够的干净的食物。

第二,重要的是要保持一个均衡的饮食。不同的食物提供不同的营养我们需要每一天。

第三,我们应该有规律的吃饭。通过这种方式,我们将会强壮和健康,我们将在我们的研究中。

我相信总有一天我们都身体健康。

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2023-08-11 08:37:521

什么是维生素前体?

分类: 医疗健康 解析: 维生素原就是维生素前体.比如说葫萝卜素为维生素A的前体物. 维生素(vitamin)又名维他命,是维持人体生命活动必需的一类有机物质,也是保持人体健康的重要活性物质。维生素在体内的含量很少,但在人体生长、代谢、发育过程中却发挥着重要的作用。各种维生素的化学结构以及性质虽然不同,但它们却有着以下共同点:①维生素均以维生素原(维生素前体)的形式存在于食物中;②维生素不是构成机体组织和细胞的组成成分,它也不会产生能量,它的作用主要是参与机体代谢的调节;③大多数的维生素,机体不能合成或合成量不足,不能满足机体的需要,必须经常通过食物中获得;④人体对维生素的需要量很小,日需要量常以毫克(mg)或微克(ug)计算,但一旦缺乏就会引发相应的维生素缺乏症,对人体健康造成损害。 (1)维生素A 它是1913年美利坚合众国化学家台维斯从鳕鱼肝中提取得到的。它是黄色粉末,不溶于水,易溶于脂肪、油等有机溶剂。化学性质比较稳定,但易为紫外线破坏,应贮存在棕色瓶中。维生素A是眼睛中视紫质的原料,也是皮肤组织必需的材料,人缺少它会得干眼病、夜盲症等。通常每人每天应摄入维生素A2~4.5mg,不能摄入过多。近年来有关研究表明,它还有抗癌作用。动物肝中含维生素A特别多,其次是奶油和鸡蛋等。胡萝卜、番茄等蔬菜中含多量胡萝卜素,它是维生素A的前体,在人体中易变为维生素A,因此食用蔬菜同样可补充维生素A。 每天的需求量:妇女需要0.8毫克。即80克鳗鱼65克鸡肝,75克胡萝卜,125克皱叶甘蓝或200克金枪鱼(罐头)。 功效:增强免疫系统,帮助细胞再生,保护细胞免受能够引起多种疾病的自由基的侵害。它能使呼吸道、口腔、胃和肠道等器官的黏膜不受损害,维生素A还可明目。 副作用:每天摄入3毫克维生素A,就有导致骨质疏松的危险。长期每天摄入33毫克维生素A会使食欲不振、皮肤干燥、头发脱落、骨骼和关节疼痛,甚至引起流产。 (2)维生素B 它是一类水溶性维生素,大部分是人体内的辅酶,主要有以下几种。 ①维生素B1 B1是最早被人们提纯的维生素,1896年荷兰王国科学家伊克曼首先发现,1910年为波兰化学家丰克从米糠中提取和提纯。它是白色粉末,易溶于水,遇碱易分解。它的生理功能是能增进食欲,维持神经正常活动等,缺少它会得脚气病、神经性皮炎等。成人每天需摄入2mg。它广泛存在于米糠、蛋黄、牛奶、番茄等食物中,目前已能由人工合成。 ②维生素B2 B2又名核黄素。1879年大不列颠及北爱尔兰联合王国化学家布鲁斯首先从乳清中发现,1933年美利坚合众国化学家哥尔倍格从牛奶中提取,1935年德国化学家柯恩合成了它。维生素B2是橙黄色针状晶体,味微苦,水溶液有黄绿色荧光,在碱性或光照条件下极易分解。熬粥不放碱就是这个道理。人体缺少它易患口腔炎、皮炎、微血管增生症等。成年人每天应摄入2~4mg,它大量存在于谷物、蔬菜、牛乳和鱼等食品中。 ③维生素B5 B5又称泛酸。抗应激、抗寒冷、抗感染、防止某些抗生素的毒性,消除术后腹胀。 ④维生素B6 1930年由美利坚合众国化学家柯列格发现。它有抑制呕吐、促进发育等功能,缺少它会引起呕吐、抽筋等症状。成年人每天摄入量为2mg,它广泛存在于米糠、大豆、蛋黄和动物肝脏中,目前已能人工合成。 每天的需求量:妇女需要1.2毫克。两片全麦面包加100克熏火腿和一个辣椒,120克鲑鱼片,150克鸡肝或一个鳄梨,100克烤火腿足矣。 功效:我们的身体需要维生素B6来制造大脑递质血清素,会带来“好情绪”的 *** 。此外,它还是重要的止痛剂。 副作用:日服100毫克左右就会对大脑和神经造成伤害。过量摄入还可能导致所谓的神经病,即一种感觉迟钝的神经性疾病。最坏的情况是导致皮肤失去知觉。 ⑤维生素B12 1947年美利坚合众国女科学家肖波在牛肝浸液中发现维生素B12,后经化学家分析,它是一种含钴的有机化合物。它化学性质稳定,是人体造血不可缺少的物质,缺少它会产生恶性贫血症。目前虽已能人工合成,但成本高昂,因此仍用生物技术由细菌发酵制得。人体每天约需12μg(1/1000mg),人在一般情况下不会缺少。 抗脂肪肝,促进维生素A在肝中的贮存;促进细胞发育成熟和机体代谢;治疗恶性贫血。 ⑥维生素B13 (乳酸清)。 ⑦维生素B15 (潘氨酸)。主要用于抗脂肪肝,提高组织的氧气代谢率。有时用来治疗冠心病和慢性酒精中毒。 ⑧维生素B17 剧毒。有人认为有控制及预防癌症的作用。 (3)维生素C 维生素C又叫抗坏血酸。1907年挪威化学家霍尔斯特在柠檬汁中发现,1934年才获得纯品,现已可人工合成。它是无色晶体,熔点190~192℃,易溶于水,水溶液呈酸性,化学性质较活泼,遇热、碱和重金属离子容易分解,所以炒菜不可用铜锅和加热过久。维生素C的主要功能是帮助人体完成氧化还原反应,提高人体灭菌能力和解毒能力。长期缺少维生素C会得坏血病,成人每天需摄入50~100mg。多吃水果、蔬菜能满足人体对维生素C的需要。据诺贝尔奖获得者鲍林研究,服大剂量维生素C对预防感冒和抗癌有一定作用。 每天的需求量:100毫克。即半个番石榴,75克辣椒,90克花茎甘蓝,2个猕猴桃,150克草莓,1个柚子,半个番木瓜,125克茴香,150克菜花可200毫升橙汁。 功效:维生素C能够捕获自由基,在此能预防像癌症、动脉硬化、风湿病等疾病。此外,它还能增强免疫和,对皮肤、牙龈和神经也有好处。 副作用:迄今,维生素C被认为没有害处,因为肾脏能够把多余的维生素C排泄掉,美国新发表的研究报告指出,体内有大量维生素C循环不利伤口愈合。每天摄入的维生素C超过1000毫克会导致腹泻、肾结石的不育症,甚至还会引起基因缺损。 (4)维生素D 维生素D于1926年由化学家卡尔首先从鱼肝油中提取。它是淡黄色晶体,熔点115~118℃,不溶于水,能溶于醚等有机溶剂。它化学性质稳定,在200℃下仍能保持生物活性,但易被紫外光破坏,因此,含维生素D的药剂均应保存在棕色瓶中。维生素D的生理功能是帮助人体吸收磷和钙,是造骨的必需原料,因此缺少维生素D会得佝偻症。人体每天应摄取维生素D25μg,但不宜过量,否则易产生副作用。在鱼肝油、动物肝、蛋黄中它的含量较丰富。人体中维生素D的合成跟晒太阳有关,因此,适当地光照有利健康。 每天的需求量:0.0005至0.01毫克。35克鲱鱼片,60克鲑鱼片,50克鳗鱼或2个鸡蛋加150克蘑菇。只有休息少的人,才需要额吃些含维生素D的食品或制剂。 功效:维生素D是形成骨骼和软骨的发动机,能使牙齿坚硬。对神经也很重要,并对炎症的抑制作用。 副作用:研究人员估计,长期每天摄入0.025克维生素D对人体有害。可能造成的后果是:恶心、头痛、肾结石、肌肉萎缩、关节炎、动脉硬化、高血压。 (5)维生素E 维生素E于1922年由美利坚合众国化学家伊万斯在麦芽油中发现并提取,本世纪40年代已能人工合成。1960年我国已能大量生产。它是无臭、无味液体,不溶于水,易溶于醚等有机溶剂中。它的化学性质较稳定,能耐热、酸和碱,但易被紫外光破坏,因此要保存在棕色瓶中。维生素E是人体内优良的抗氧化剂,人体缺少它,男女都不能生育,严重者会患肌肉萎缩症、神经麻木症等。近年来,科学家还发现它有防老、抗癌作用。维生素E广泛存在于肉类、蔬菜、植物油中,通常情况下,人是不会缺少的。 每天的需求量:妇女需要12毫克。4匙葵花油,100毫克橄榄油,100克花生或30克杏仁加70克核桃含有妇女一天所需的维生素E。 功效:维生素E能抵抗自由基的侵害,预防癌症的心肌梗死。此外,它还参与抗体的形成,是真正的“后代支持者”。它促进男性产生有活力的 *** 。 副作用:每天摄入200毫克的维生素E就会出现恶心,肌肉萎缩,头痛和乏力等症状。每天摄入的维生素E超过300毫克会导致高血压,伤口愈合延缓,甲状腺功能受到限制。 另外;感冒增加vc的摄入,月经期间增加钾的摄入。 参考资料:生活中来食话食说 (6)维生素K 维生素K于1929年丹麦化学家达姆从动物肝和麻子油中发现并提取。它是黄色晶体,熔点52~54℃,不溶于水,能溶于醚等有机溶剂。维生素K化学性质较稳定,能耐热耐酸,但易被碱和紫外线分解。它在人体内能促使血液凝固。人体缺少它,凝血时间延长,严重者会流血不止,甚至死亡。奇怪的是人的肠中有一种细菌会为人体源源不断地制造维生素K,加上在猪肝、鸡蛋、蔬菜中含量较丰,因此,一般人不会缺乏。目前已能人工合成,且化学家能巧妙地改变它的“性格”为水溶性,有利于人体吸收,已广泛地用于医疗上。 (7)维生素H 维生素H又称生物素、辅酶R,是水溶性维生素,也属于维生素B族。它是合成维生素C的必要物质,是脂肪和蛋白质正常代谢不可或缺的物质。维生素H具有防止白发和脱发,保持皮肤健康的作用。成人每天建议摄取量为100微克~300微克。如果将生物素与维生素A、B2、B6、烟酸(维生素B3)一同使用,相辅相成,作用更佳。在牛奶、牛肝、蛋黄、动物肾脏、水果、糙米中都含有生物素。在复合维生素B和多种维生素的制剂中,通常都含有维生素H。 (8)维生素P 维生素P是由柑桔属生物类黄酮、芸香素和橙皮素构成的。在复合维生素C中都含有维生素P,也是水溶性的。它能防止维生素C被氧化而受到破坏,增强维生素的效果。能增强毛细血管壁,防止瘀伤。有助于牙龈出血的预防和治疗,有助于因内耳疾病引起的浮肿或头晕的治疗等。许多营养学家认为,每服用500毫克维生素C时,最少应该同时服用100毫克生物类黄酮。以增强它们的协同作用。在橙、柠檬、杏、樱桃、玫瑰果实中及荞麦粉中含有维生素P。 (9)维生素PP 也称烟酸。在细胞生理氧化过程中起传递氢作用,具有防治癞皮病的功效。 (10)维生素M 也称叶酸,抗贫血;维护细胞的正常生长和免疫系统的功能,防止胎儿畸形。 (11)维生素T 帮助血液的凝固和血小板的形成。 (12)维生素U 治疗溃疡上有重要的作用。 水溶性维生素(water-soluble vitamins) 一类能溶于水的有机营养分子。其中包括在酶的催化中起着重要作用的B族维生素以及抗坏血酸(维生素C)等。 在理想状态,人们从膳食中获得需要的维生素。在下面情况造成人体所需的维生素缺乏。 1.食物匮乏,食物运输、储藏、加工不当,造成食物中的维生素丢失,结果造成维生素摄入不足。 2.当人们消化吸收功能降低,如咀嚼不足、胃肠功能降低、膳食中脂肪过少、纤维素过多等会造成维生素消化吸收率下降。 3.不同生理期的人群,如妊娠授乳期的妇女,生长发育期的儿童,疾病、手术期的人群对维生素的需要量相对增高。 4.特殊环境下生活、工作的人群,由于精神压力或环境污染的缘故,对维生素的需要量相对增高 每种维生素,人们对它的认识,初期都有一个有趣的故事。往往是由于某种维生素的缺乏症引起人们的注意,接着发现补充某种食物后,症状就消失了,再从此种食物种提取出有效成分,接着以化学合成的方法得到这种物质,并加以更加深入的研究。 能量的匮乏马上表现出饥饿,而维生素和矿物质的匮乏,往往是极度缺乏,出了症状后才知道。人体维生素的缺乏是一个渐进的过程,最初是组织中维生素的存储量降低,然后出现亚健康状态,继续发展下去引起组织病理改变出现临床症状和体症。
2023-08-11 08:38:021

fat,protein,mineral,vitamin是可数名词吗?为什么后面可以加s呢?

应该是可数名词。因为脂肪,蛋白质,矿物质和维生素都有很多种类。(其实脂肪组织貌似只有一种,这个我不知道为什么可以加s)。
2023-08-11 08:38:322

人体需要的维生素有哪些

一般不需要刻意吃维生素的,只要做到饮食均衡,维生素自然会补充齐全的。如果偏食会影响维生素全面吸收。
2023-08-11 08:39:012

求翻译~谢谢啊

另外一种帮助你成长,保持身体强健并使你免受眼病困扰的维生素被称作维生素A。它存在于牛奶,黄油,鸡蛋,绿色蔬菜,玉米和萝卜等食物中。维他命D可以通过太阳光照射皮肤形成。这种化合物帮助骨骼和牙齿补充钙质和无机物。如果骨骼缺少无机物,他们就会变得柔软,并且可能导致佝偻病。普通的食物不含有大量上述维他命,所以多晒晒太阳对你来说是很重要的。鱼的肝脏含有丰富的维他命A和D。医生经常给孩子鱼肝油以确保这些维他命的充足供应。维他命的议题不是一个简单的项目。生物化学家一直在发现它的更多奥秘。在几个其他已经知晓的维他命中,至少有一种维他命值得一提,那就是维他命B2,它也被叫做核黄素。它可以保持皮肤,眼睛和头发的健康,而且在肉,牛奶和鸡蛋中核黄素十分充沛。维他命被称作有机营养,在人体中只需要很少的量并且对成长和健康有十分重要的作用。因为缺少维生素而引发的脚气病,坏血病,和佝偻病等疾病就是所谓的缺乏症。除了只需要微量,维生素和其他无机物的区别还在于没有化学测试已经表明他们的存在。只有生物实验可以确定食物含有特定维他命。
2023-08-11 08:39:136

关于饮食健康的英语作文

As the saying goes: "Hunger breeds discontent." Today"s society, many of the hotel where they stand, rush from a variety of cuisine, in Fujian, Sichuan, Guangdong, Shandong ...... dishes outside of Italy, French, Japanese cuisine, Korean food and so on. We all know that health is to do anything for money, health is closely connected with the food. Today, we take a look at the food on the table now. Food is divided into many kinds of vegetables and fruit, beans, meat, cereals, dairy categories, such as fat. Combination of these categories into a food pyramid, all affect our health. Therefore, in order to achieve a reasonable meals with more vegetables, fruits, less meat, fat category. Cereals-based food, may be an appropriate increase in beans, dairy products category, and we have to remember that eating only eight full meals, not being choosy food anorexia, can not be overeating, eating clean food is most important. In food, contain a people"s health play an important role in the elements - vitamins. Vitamins are divided into A, B, C, D. Different vitamins have different functions. Vitamin A is usually in red, black, more food, such as carrots, black beans and so on. Its main function is to protect the eyes, can be used to protect their eyesight, the treatment of night blindness and other evidence of vitamin C in fruits and vegetables often, it is conducive to the treatment of scurvy, skin diseases. The discovery also has a story: a ship adrift at sea for several days, many sailors have had scurvy, one of a very serious disease, abandoned on a desert island. This after a number of sailors to eat lemons, did not expect that scurvy disappeared. The news of a spread of 100. Lemon after scientists found a large quantity of vitamin C, used to treat disease scurvy. Vitamin B, D and there are many functions, not in this more. Of course, we should pay attention: do not mix in some food to eat, in order to avoid danger. Such as shrimp and vitamin C at the same time can not eat, crabs can not eat persimmons with ......
2023-08-11 08:39:331

vitaminc怎么读

vitaminc的读音是:。vitaminc的读音是:。vitaminc的英英释义是Noun:avitaminfoundinfreshfruits(especiallycitrusfruits)andvegetables;preventsscurvy。vitaminc的意思是n.维他命C。一、英英释义点此查看vitaminc的详细内容Noun:avitaminfoundinfreshfruits(especiallycitrusfruits)andvegetables;preventsscurvy二、例句OrangesarerichinvitaminC.橙子含有丰富的维生素C。LemonsarerichinvitaminC.柠檬含丰富的维生素C。OrangescontainvitaminC.橙子含有维生素C。vitaminc的相关近义词C、ascorbicacidvitaminc的相关临近词vitamin、vitaminADE、vitaminhay、vitaminBco、vitaminition、vitaminfeed、vitamindrug、vitaminstoss、vitaminunit、vitaminagar点此查看更多关于vitaminc的详细信息
2023-08-11 08:39:441

vitamin怎么读

vitamin的读法是[u02c8vu026atu0259mu026an]。vitamin的意思是维他命或者维生素。复数形式是vitamins。相关短语有fertility vitamin生育维生素,antineuritic vitamin抗神经炎维生素,antirachitic vitamin偻佝抗病维生素,Dvitamin E deficiency维生素E缺乏病。可造句如下:1、Butter, margarine, and oily fish are all good sources of vitamin D.黄油、人造黄油和多脂鱼都含有丰富的维生素D。2、You can buy a formulation containing royal jelly, pollen and vitamin C.可以买一种含蜂王浆、花粉和维生素C的配方产品。3、Liver and kidney are particularly rich in vitamin A.肝脏和肾脏富含维生素A。4、He was put on a high dosage of vitamin C.给他服了大剂量的维生素C。
2023-08-11 08:39:521

人一天需要摄取多少维生素?

根据中国营养学会最新发布的《中国居民膳食营养素参考摄入量(2013版)》,人体必需的B族维生素有8种,分别为:B1(硫胺素)、B2(核黄素)、B3(烟酸、烟酰胺)、B5(泛酸)、B6(吡哆素)、B7(生物素)、B9(叶酸)、B12(钴胺素)下面这张表来自《中国居民膳食营养素参考摄入量(2013版)》,里面UL一栏是最高耐受量(每日摄入上限),RNI是推荐摄入量(每日摄入下限):从图中可知,目前只有B6(吡哆素)、B9(叶酸)和B3(烟酸)有每日最高摄入量。B族维生素为水溶性维生素,很难在体内存留,所以通常不会出现过量现象,除非大量服用保健品补充剂。日常补充建议:维生素B2>1.2mg,维生素B3>15mg,维生素B6>1.5mg,维生素B9(叶酸)>200mg, 维生素B2>1.2mg,维生素B2>1.2mg。维生素B族主要的功效是可以缓解焦虑、抑郁,还有神经紧张的情况,另外也可以参与人体的糖类、脂肪,还有蛋白质的代谢,可以使用Superior Source的复合维生素B族,对比其它B族的营养功能更加全面, 每天两粒就可以补充每天的营养需求。对于饮酒的患者,维生素B可以进入人体,解除酒精进入人体产生的毒素,从而保护肝脏,所以具有一定的戒酒的功能。也可以缓解呕吐,比如可以维持消化系统的正常,促进胃肠的蠕动,防止消化不良等情况的发生。对胎儿的发育也有很重要的功效,可以预防胎儿发育的畸形,孕妇也需要增加B族维生素的摄入剂量。
2023-08-11 08:40:274

alivevitamins是什么

alive vitamins词典结果alive vitamins活性维生素
2023-08-11 08:41:101

求帮忙,英语大神们

6 A. need more protein than vegetables can supply 7 B. carrots, milk, and rice8 C. makes it easier to digest9 D. the cooking water is usually eaten along with the fruit 10 C. fruit, cereals and fish as well as meat and vegetables很希望我的回答会对你有帮助。如有不明白,可以再追问,若满意请采纳,谢谢你,并祝你进步!
2023-08-11 08:41:201

人体需要的各种维生素

去看书不就得了.笨的要死!
2023-08-11 08:41:357

维生素可以分为哪两大类?

维生素可以分为脂溶性和水溶性两大类。水溶性维生素(water-solublevitamins)是能在水中溶解的一组维生素,常是辅酶或辅基的组成部分。主要包括维生素B1,维生素B2和维生素C等。一类能溶于水的有机营养分子。其中包括在酶的催化中起着重要作用的B族维生素以及抗坏血酸(维生素C)等。脂溶性维生素是指不溶于水而溶于脂肪及有机溶剂的维生素,包括维生素A、维生素D、维生素E、维生素K。脂溶性维生素可在体内大量贮存,主要贮存于肝脏部位,因此摄入过量会引起中毒。扩展资料维生素作用1、维生素A维生素A与皮肤正常角化关系密切。缺乏时则皮肤干燥、角层增厚、毛孔为小角栓堵塞,严重时影响皮脂分泌。所以,皮肤干燥、粗糙、无光泽、脱屑、有小角栓者服用维生素A有好处。2、维生素B6维生素B6与氨基酸代谢关系甚密,能促进氨基酸的吸收和蛋白质的合成,为细胞生长所必需,对脂肪代谢亦有影响,与皮脂分泌紧密相关,因而,头皮脂溢、多屑时常用它。3、维生素C维生素C被称为皮肤最密切的伙伴,它促进氨基酸中酪氨酸和色氨酸的代谢,延长肌体寿命,是构成皮肤细胞间质的必需成分。所以,皮肤组织的完整,血管正常通透性的维持和色素代谢的平衡都离不开它。4、维生素E维生素E公认有抗衰老功效,能促进皮肤血液循环和肉芽组织生长,使毛发皮肤光润,并使皱纹展平。5、维生素K1维生素K1是一种油溶性维生素,可改善因疲劳而引起的黑眼圈。参考资料来源:百度百科—维生素参考资料来源:百度百科—水溶性维生素参考资料来源:百度百科—脂溶性维生素
2023-08-11 08:41:551

分析英语句子?

营养学家说 xx said that 这是一个由that引导的宾语从句里面包含不仅 而且 这个句式against 在这个句子中 理解成反对 抗拒 防止的意思
2023-08-11 08:42:346

关于维生素的说法错误的是

关于维生素的说法错误的是水溶性维生素不易被人体吸收,所以容易缺乏。维生素(Vitamin)是人和动物为维持正常的生理功能而必须从食物中获得的一类微量有机物质,在人体生长、代谢、发育过程中发挥着重要的作用。维生素在体内既不参与构成人体细胞,也不为人体提供能量。维生素参与人体的生化反应,调节人体的代谢功能。如果维生素摄入不足,会导致人体新陈代谢失去平衡,会导致免疫力下降并可能导致营养不良,易患各种疾病。科学研究发现,至少有30种不同的化合物被认为是“维生素”,其中20多种维生素已知是生物健康所必需的。水溶性维生素的定义:水溶性维生素(Water-soluble vitamins)是可溶于水而不溶于非极性有机溶剂的一 类维生素,包括维生素B族和维生素C。这类维生素除碳、氢氧元素外,有的还含有氮硫等元素。与脂溶性维生素不同,水溶性维生素在人体内储存较少,从肠道吸收后进入人体的多余的水溶性维生素大多从尿中排出。水溶性维生素几乎无毒性,摄入量偏高一般不会引起中毒现象,若摄入量过少则较快出现缺乏症状。自然界存在的维生素C主要是L-异构体,D-异构体的含量很少,其中以L-抗坏血酸生物活性最高。D-异构体的生物活性只有L-异构体的10%,但抗氧化性能相同。L-异抗坏血酸具有与L-抗坏血酸相似的化学性质,但不具有维生素C的生物活性。
2023-08-11 08:43:021

给十份阅读理解题!

A ★ When Christopher Columbus landed on the then unnamed Costa Rica in 1502, he saw many Indians wearing gold earrings. So he thought the land must be rich in gold. He named the place Costa Rica, which means “rich coast” in Spanish. Though little gold was found, Costa Rica today is indeed rich with coffee and bananas. Coffee is the most important product in Costa Rica and most of it is exported (出口) to other countries like America and West Germany. Bananas are the country"s second most important export. Costa Ricans also grow many other crops such as fruits, corn and beans for their own use. Costa Ricans love colors and their houses are painted in bright colors. Education is very important to the Costa Ricans. Almost every village has a school and education is a must for children between seven and fourteen years of age. Boys and girls go to separate (单独的) schools. Classes begin in March and end in November. The other three months of the year are harvest time and the children have to help their parents to pick coffee beans.56. What"s the main idea of the first paragraph?A. How Columbus found Costa Rica.B. How Costa Rica got its name.C. What the Costa Ricans wore. D. What language the Costa Ricans spoke.57. The Costa Ricans may NOT paint their houses ______.A. pink and red B. grey and blackC. blue and green D. yellow and orange58. In Costa Rica, boys and girls between seven and fourteen ______.A. must go to school B. study in the same schoolC. do not have to go to school at allD. can choose to stop schooling at any time59. From December to February, school children in Costa Rica ______.A. have lessons every dayB. have their examinationsC. help their parents pick coffee beansD. help their parents decorate their houses 60. This passage is mainly about ______.A. Christopher Columbus B. Costa Rica C. some products from Costa Rica D. the education of Costa RicaB ★ Christian Eijkman, a Dutch doctor, left the Netherlands for the island of Java. Many people on the island had a disease called beri?鄄beri. He was going there to try and find a cure. At first, Eijkman thought some kind of germ (细菌) caused beri?鄄beri. He raised some chickens. He didn"t eat them, but made experiments on them. The local people were quite surprised at that. One day he noticed that his chickens became sick when they were fed the food most Javanese ate — refined white rice (精炼米). When he fed them with unrefined rice, also known as brown rice, they recovered. Eijkman realized that he had made an important discovery — that some things in food could prevent disease. These things were named vitamins (维生素). The Javanese were not getting enough vitamins because they had actually removed the part that contains vitamins. Later, other diseases were also found to be caused by the lack of vitamins in a person"s food. Today many people know the importance of vitamins and they make sure they have enough vitamins from the food they eat. If they don"t, they can also take vitamin pills.61. The underlined word “cure” in Paragragh 1 probably means ______.A. a medical treatment B. a kind of vitaminC. a kind of germ D. a kind of rice62. Christian Eijkman went to the island of Java to ______.A. spend his holidayB. find ways to grow better crops C. do some research about the islandD. help the Javanese with their illness63. Why did Christian Eijkman raise some chickens?A. To eat them. B. To carry out his experiments.C. To give the Javanese a surprise. D. To make money by selling them.64. If a person doesn"t get enough vitamins in his diet, he"d better ______.A. eat more rice B. eat more meatC. eat some chicken D. eat vitamin pills65. We can learn from the passage that ______.A. beri?鄄beri was caused by chickensB. the Javanese didn"t like vitaminsC. Christian Eijkman"s experiment was successfulD. the Javanese"s disease was caused by a kind of germC ★★ America is a mobile society. Friendships between Americans can be close and real, yet disappear soon if situations change. Neither side feels hurt by this. Both may exchange Christmas greetings for a year or two, perhaps a few letters for a while — then no more. If the same two people meet again by chance, even years later, they pick up the friendship. This can be quite difficult for us Chinese to understand, because friendships between us flower more slowly but then may become lifelong feelings, extending (延伸) sometimes deeply into both families. Americans are ready to receive us foreigners at their homes, share their holidays, and their home life. They will enjoy welcoming us and be pleased if we accept their hospitality (好客) easily. Another difficult point for us Chinese to understand Americans is that although they include us warmly in their personal everyday lives, they don"t show their politeness to us if it requires a great deal of time. This is usually the opposite of the practice in our country where we may be generous with our time. Sometimes, we, as hosts, will appear at airports even in the middle of the night to meet a friend. We may take days off to act as guides to our foreign friends. The Americans, however, express their welcome usually at homes, but truly can not manage the time to do a great deal with a visitor outside their daily routine. They will probably expect us to get ourselves from the airport to our own hotel by bus. And they expect that we will phone them from there. Once we arrive at their homes, the welcome will be full, warm and real. We will find ourselves treated hospitably. For the Americans, it is often considered more friendly to invite a friend to their homes than to go to restaurants, except for purely business matters. So accept their hospitality at home!66. The writer of this passage must be ______.A. an American B. a ChineseC. a professor D. a student67. Which of the following statements is TRUE according to the passage?A. Friendships between Americans usually extend deeply into their families.B. Friendships between Americans usually last for all their lives.C. Americans always show their warmth even if they are very busy.D. Americans will continue their friendships again even after a long break.68. From the last two paragraphs we can learn that when we arrive in America to visit an American friend, we will probably be ______.A. warmly welcomed at the airport B. offered a ride to his homeC. treated hospitably at his home D. treated to dinner in a restaurant69. The underlined words “generous with our time” in Paragraph 3 probably mean ______. A. strict with time B. serious with timeC. careful with time D. willing to spend time70. A suitable title for this passage would probably be “______”. A. Friendships between Chinese B. Friendships between AmericansC. Americans" hospitality D. Americans" and Chinese"s views of friendshipsD ★★★ The other day I heard a few local musicians talking: “I hate all the terrible pianos in this town. I hate that rubbish they play on the radio. They can"t even understand a bit of music.” “I"m never playing in that club again. Too many drunks and nobody listens to us.” But, one younger musician said, “There are a few clubs that book my band a few nights a month, and I"m trying to find other places to play. I"m also looking to book a few summer festivals this year.” I"ve heard that you are the average of the five people whom you spend the most time with, or to put it another way, you are who your friends are. Attitudes are important. Whether they"re positive or negative, they"re rubbing off on you. If you"re around people who complain about lack of work and about other musicians, or blame (责怪) others, and you play the role of victim (受害者), chances are you will start to as well. So it"s time to take a look at the people you call “friends”. This is an easy exercise: Make a list of the people who you hang out with, and simply stop spending time with the negative people on your list. Set a new standard (标准) for yourself and don"t become friends with people who fall below that standard. Keep successful people around you and your own chances for success will be much better. Ask them how they do it. Ask if they will help you get the work you"re looking for, or maybe give you some advice to help you on your career path.71. Which of the following would be the best title for this passage?A. A friend in need is a friend indeedB. How to make friendship last for everC. You are who your friends areD. Friends are the most important in one"s success72. The underlined sentence “they"re rubbing off on you” in Paragraph 6 means ______.A. they"ll push you aheadB. they"ll influence you C. they"ll cover your shortcomingsD. they"ll help you achieve your goal73. The musicians" words at the beginning are written mainly to show ______.A. the musicians" living conditions are quite poorB. people have poor taste in musicC. people have different attitudes towards the same thingD. young people have greater chances of succeeding74. By taking the exercise mentioned in Paragraph 7, you can ______.A. improve a lot in making more friendsB. come to the right way of making friends C. develop a better relationship with your friendsD. arrange the time with your friends properly75. The passage is mainly written for ______.A. musicians B. managers C. negative people D. people wanting to succeed 答案56-60 BBACB61-65 ADBDC 66-70 BDCDD 71-75 CBCBD
2023-08-11 08:43:501

所有维生素的别名。列如,维生素A原。叫胡萝卜素。

这可真听个全面,我多写些才发上(要求)
2023-08-11 08:44:022

21金维他是保健品还是药?

药。21金维他是一种贴非处方药标签的药品,属于非处方药。药品名称:21金维他外国名称:VitaminsWithMineralsTablets(21)主要适用疾病:维生素和微量元素补充药物剂型:涂膜片材批准文号:H20045532扩展资料:药品的话,批准文号格式:国药准字+1位字母+8位数字(字母可以是H,Z,S,B,J);进口药品注册证号:+1位字母+8位数字(字母可以是H,Z,S,BH)。保健品的话,包括国食健字和卫食健字,呈蓝帽状,格式如下:卫食健字的格式国产是卫食健字(年号)第××××号,进口格式是:卫食健进字(年号)第××××号;国食健字的格式国产的是国食健字G+4位年代号+4位顺序号,进口的格式是:国食健字J+4位年代号+4位顺序号。参考资料:百度百科-21金维他片
2023-08-11 08:44:121

帮忙修改英语作文“Then can you tell us what we eat is a health diet within 80 words.

【Healthy】 diet is that what we eat is 【balance】 .I think , we should eat some fruit every day , because fruit contains many vitamins . We should eat some meat every day , because meat contains 【much】 protein to make our muscle strong . We should eat some 【 eat some dairise没看懂你想说什么啊····】 contains 【much】 calcium to make our bones strong . We should eat some vegetables every day , 【加个but好一点吧】please remember , don"t become a vegetarian .
2023-08-11 08:44:473

需一篇关于健康饮食的英文作文

Eating habits and HealthyIt is to say,hunger breeds discontent,so a good Eating habits is very important for our healthy.For breakfast we can have some bread an egg or a glass of milk,It is not a good habit to eat foods with heavy oil.We can have rice or pasta for launch,it is very useful to have some meat and vegetable.We should choice light digestible food for dinner,and not eat so much.Also we can choice some favorite foods that is healthy. Yogurt is very good to our body for launch too.涐的比他的简洁,楼主选涐把,
2023-08-11 08:44:573

写一篇介绍健康饮食和生活方式的英语作文

As the saying goes: "Hunger breeds discontent." Today"s society, many of the hotel where they stand, rush from a variety of cuisine, in Fujian, Sichuan, Guangdong, Shandong ...... dishes outside of Italy, French, Japanese cuisine, Korean food and so on. We all know that health is to do anything for money, health is closely connected with the food. Today, we take a look at the food on the table now. Food is divided into many kinds of vegetables and fruit, beans, meat, cereals, dairy categories, such as fat. Combination of these categories into a food pyramid, all affect our health. Therefore, in order to achieve a reasonable meals with more vegetables, fruits, less meat, fat category. Cereals-based food, may be an appropriate increase in beans, dairy products category, and we have to remember that eating only eight full meals, not being choosy food anorexia, can not be overeating, eating clean food is most important. In food, contain a people"s health play an important role in the elements - vitamins. Vitamins are divided into A, B, C, D. Different vitamins have different functions. Vitamin A is usually in red, black, more food, such as carrots, black beans and so on. Its main function is to protect the eyes, can be used to protect their eyesight, the treatment of night blindness and other evidence of vitamin C in fruits and vegetables often, it is conducive to the treatment of scurvy, skin diseases. The discovery also has a story: a ship adrift at sea for several days, many sailors have had scurvy, one of a very serious disease, abandoned on a desert island. This after a number of sailors to eat lemons, did not expect that scurvy disappeared. The news of a spread of 100. Lemon after scientists found a large quantity of vitamin C, used to treat disease scurvy. Vitamin B, D and there are many functions, not in this more. Of course, we should pay attention: do not mix in some food to eat, in order to avoid danger. Such as shrimp and vitamin C at the same time can not eat, crabs can not eat persimmons with ...... 快抄下来昂`
2023-08-11 08:45:061

什么是水溶性维生素等营养元素补充剂

(water-soluble vitamins)   水溶性维生素常是辅酶或辅基的组成部分。  主要包括维生素B1,维生素B2和维生素C等。一类能溶于水的有机营养分子。其中包括在酶的催化中起着重要作用的B族维生素以及抗坏血酸(维生素C)等。【维生素B】   维生素B1    即硫胺素。由一个取代的噻唑环和一个取代的嘧啶环组成,因噻唑环含硫,嘧啶环有氨基取代而得名。他就是Funk发现的vitamine。硫胺素与ATP反应,生成其活性形式:硫胺素焦磷酸(TPP),即脱羧辅酶。其分子中氮和硫之间的碳原子性质活泼,易脱氢。生成的负碳离子有亲核催化作用。羧化辅酶作为酰基载体,是α酮酸脱羧酶的辅基,也是转酮醇酶的辅基,在糖代谢中起重要作用。缺乏硫胺素会导致糖代谢障碍,使血液中丙酮酸和乳酸含量增多,影响神经组织供能,产生脚气病。主要表现为肌肉虚弱、萎缩,小腿沉重、下肢水肿、心力衰竭等。可能是由于缺乏TPP而影响神经的能源与传导。硫胺素在糙米、油菜、猪肝、鱼、瘦肉中含量丰富。但生鱼中含有破坏B1的酶,咖啡、可可、茶等饮料也含有破坏B1的因子。保持循环、消化、神经和肌内正常功能;调整胃肠道的功能;构成脱羧酶的辅酶,参加糖的代谢;能预防脚气病。 维生素B2    又叫核黄素。核黄素是异咯嗪与核醇的缩合物,是黄素蛋白的辅基。它有两种活性形式,一种是黄素单核苷酸(FMN),一种是黄素腺嘌呤二核苷酸(FAD)。这里把核黄素看作核苷,即把异咯嗪看作碱基,把核醇看作核糖。  异咯嗪的N1、N10能可逆地结合一对氢原子,所以可作为氧化还原载体,构成多种黄素蛋白的辅基,在三羧酸循环、氧化磷酸化、α酮酸脱羧、β氧化、氨基酸脱氨、嘌呤氧化等过程中起传递氢和电子的作用。  主要从食物中摄取,如谷类、黄豆、猪肝、肉、蛋、奶等,也可由肠道细菌合成。冬季北方缺少阳光,植物合成V-B2也少,常出现口角炎。缺乏V-B2还可引起唇炎、舌炎、贫血等。  核典素是体内许多重要辅酶类的组成成分,这些酶能在体内物质代谢过程中传递氢,它还是蛋白质、糖、脂肪酸代谢和能量利用与组成所必需的物质。能促进生长发育,保护眼睛、皮肤的健康。 维生素B3    又称泛酸,也叫遍多酸,广泛存在,极少缺乏。由一分子β丙氨酸与一分子羧酸缩合而成。   泛酸可构成辅酶A,是酰基转移酶的辅酶。也可构成酰基载体蛋白(CAP),是脂肪酸合成酶复合体的成分。  可抗应激、抗寒冷、抗感染、防止某些抗生素的毒性,消除术后腹胀。 维生素B4    即腺嘌呤,本品是核酸的组成成分,参与遗传物质的合成。能促进白细胞增生,使白细胞数目增加,用于防治各种原因引起的白细胞减少症,特别是用于肿瘤化学治疗时引起的白细胞减少症,也用于急性粒细胞减少症。   维生素B5    </B>  即尼克酰胺,尼克酰胺和尼克酸分别是吡啶酰胺和吡啶羧酸,都是抗糙皮病因子,又称VPP。其活性形式有两种,尼克酰胺腺嘌呤二核苷酸(NAD)和尼克酰胺腺嘌呤二核苷酸磷酸(NADP)。在体内先合成去酰胺NAD,再接受谷氨酰胺提供的氨基成为NAD,再磷酸化则成为NADP。 NAD和NADP是脱氢辅酶,分别称为辅酶Ⅰ和辅酶Ⅱ。二者利用吡啶环的N1和N4可逆携带一个电子和一个氢原子,参与氧化还原反应。辅酶Ⅰ在分解代谢中广泛接受还原能力,最终传给呼吸链放出能量。辅酶Ⅱ则只从葡萄糖及葡萄糖酸的磷酸酯获得还原能力,用于还原性合成及羟化反应。需要尼克酰胺的酶多达百余种。 人体能用色氨酸合成尼克酸,但合成率极低(60:1),而且需要B1、B2、B6,所以仍需摄取。抗结核药异烟肼的结构与尼克酰胺类似,两者有拮抗作用,长期服用异烟肼时应注意补充尼克酰胺。花生、豆类、肉类和酵母中含量较高。 尼克酸或烟酸肌醇有舒张血管的作用,可用于冠心病等,但可降低cAMP水平,使血糖及尿酸升高,有诱发糖尿病及痛风的风险。长期使用大量尼克酸可能损害肝脏。 维生素B6    包括吡哆醇、吡哆醛和吡哆胺3种,可互相转化。吡哆素是吡啶衍生物,活性形式是磷酸吡哆醛和磷酸吡哆胺,是转氨酶、氨基酸脱羧酶的辅酶。磷酸吡哆醛的醛基作为底物氨基酸的结合部位,醛基的邻近羟基和对位氮原子还参与催化部位的构成。在转氨反应中,磷酸吡哆醛结合氨基酸,释放出相应的α酮酸,转变为磷酸吡哆胺,再结合α酮酸释放氨基酸,又变成磷酸吡哆醛。  缺乏V-B6可引起周边神经病变及高铁红细胞贫血症。因为5-羟色胺、γ-氨基丁酸、去甲肾上腺素等神经递质的合成都需要V-B6(氨基酸脱羧反应),而血红素前体的合成也需要V-B6。肉、蛋、蔬菜、谷类中含量较多。新生婴儿易缺乏。  在蛋白质代谢中起重要作用。治疗神经衰弱、眩晕、动脉粥样硬化等。 维生素B7    又称生物素,由杂环与戊酸侧链构成,又称维生素H,缺乏可引起皮炎。在生鸡蛋清中有抗生物素蛋白(avidin),能与生物素紧密结合,使其失去活性。  生物素侧链羧基可通过酰胺键与酶的赖氨酸残基相连。生物素是羧基载体,其N1可在耗能的情况下被二氧化碳羧化,再提供给受体,使之羧化。如丙酮酸羧化为草酰乙酸、乙酰辅酶A羧化为丙二酰辅酶A等都由依赖生物素的羧化酶催化。  花生、蛋类、巧克力含量最高。 维生素B11    又称维生素M,由蝶酸与谷氨酸构成。活性形式是四氢叶酸(FH4),即蝶呤环被部分还原。四氢叶酸是多种一碳单位的载体,分子中的N5,N10可单独结合甲基、甲酰基、亚氨甲基,共同结合甲烯基和甲炔基。因此在嘌呤、嘧啶、胆碱和某些氨基酸(Met、Gly、Ser)的合成中起重要作用。缺乏叶酸则核酸合成障碍,快速分裂的细胞易受影响,可导致巨红细胞贫血(巨大而极易破碎)。  叶酸容易缺乏,特别是孕妇。叶酸分布广泛,肉类中含量丰富。苯巴比妥及口服避孕药等药物干扰叶酸吸收与代谢。 维生素B12    又称钴胺素,是一个抗恶性贫血的维生素,存在于肝脏。分子中含钴和咕啉。咕啉类似卟啉,第六个配位可结合其他集团,产生各种钴胺素,包括与氢结合的氢钴胺素、与甲基结合的甲基钴胺素、与5"-脱氧腺苷结合的辅酶B12等。  一些依赖辅酶B12的酶类催化1,2迁移分子重排反应,即相邻碳原子上氢原子与某一基团的易位反应。例如在丙酸代谢中,催化甲基丙二酰辅酶A转变为琥珀酰辅酶A的变位酶就以辅酶B12为辅助因子。  甲基钴胺素可作为甲基载体,接受甲基四氢叶酸提供的甲基,用于合成甲硫氨酸。甲硫氨酸可作为通用甲基供体,参与多种分子的甲基化反应。因为甲基四氢叶酸只能通过这个反应放出甲基,所以缺乏钴胺素时叶酸代谢障碍,积累甲基四氢叶酸。缺乏钴胺素可导致巨红细胞贫血。  胃粘膜能分泌一种粘蛋白,可与V-B12结合,促进吸收,称为内因子。缺乏内因子时易被肠内细菌及寄生虫夺去,造成缺乏。素食者也易缺乏。  抗脂肪肝,促进维生素A在肝中的贮存;促进细胞发育成熟和机体代谢;治疗恶性贫血。 [编辑本段]【维生素C】   又称抗坏血酸,是烯醇式L-古洛糖酸内酯,有较强的酸性。容易氧化,是强力抗氧化剂,也可作为氧化还原载体。  抗坏血酸还参与氨基酸的羟化。胶原中脯氨酸和赖氨酸的羟化都需要抗坏血酸作为酶的辅因子。缺乏抗坏血酸会影响胶原合成及结缔组织功能,使毛细血管脆性增高,发生坏血病。  肾上腺皮质激素的合成也需要V-C参加羟化。V-C可还原铁,促进其吸收;保护A、E及某些B族维生素免遭氧化。  连接骨骼、牙齿、结缔组织结构;对毛细血管壁的各个细胞间有粘合功能;增加抗体,增强抵抗力;促进红细胞成熟。 [编辑本段]【其它维生素】   维生素K:一类萘醌的化合物,自然界共有两种:维生素K1(叶绿醌)和维生素K2(甲基萘醌类)。主要作用:血液凝固作用。  维生素B13(乳酸清)。   维生素B15(潘氨酸)。主要用于抗脂肪肝,提高组织的氧气代谢率。有时用来治疗冠心病和慢性酒精中毒。   维生素B17。剧毒。有人认为有控制及预防癌症的作用。   对氨基苯甲酸。在维生素B族中属于最新发现的维生素之一。在人体内可合成。   肌醇。维生素B族中的一种,和胆碱一样是亲脂肪性的维生素。   维生素T。帮助血液的凝固和血小板的形成。   维生素U。治疗溃疡上有重要的作用。
2023-08-11 08:45:281

“我们需要大量水果”的英文怎么写

fruit;fruitage苹果和甜瓜是我喜爱的水果。applesandmelonsaremyfavouritefruits.2新鲜水果和蔬菜提供植物纤维素和维生素。freshfruitandvegetablesprovidefibreandvitamins.
2023-08-11 08:45:361

帮我翻译一下下面的文章,要通顺(大学英语)....翻译的好了定重谢...最好快一点

养分可能分为两个类别,基于我们所需要的量。这些都是我们所需要的较大的数额和营养素 (矿物元素和维生素),所需的规模相对较小的营养碳水化合物、 脂肪、 蛋白质和水。因为它们含有碳元素的营养,矿质元素和水除外的所有被列为有机化学品。矿质元素和水是无机化工,因为它们不包含碳。维生素分为两个一般分类基于他们在水或脂肪中的溶解度。脂溶性维生素的维生素 A、 D、 E、 K ;水溶性维生素包括维生素 C (抗坏血酸)、 烟酸、 硫胺素、 核黄素、 叶酸、 泛酸、 吡哆醇、 维生素 B12 和生物素。矿物元素分为两个类别,基于他们,我们所需要的数量。大量元素是那些需要在较大的数额,而微量元素是那些需要在很小的金额,大量元素的一些示例是钠、 钙、 磷。铁、 碘、 锰、 锌、 氟微量元素的一些示例。(2)Title: 肉的大型游戏动物及禽鸟的微生物条件摘要大型游戏动物和鸟类用于商业化生产的肉,包括各种物种、 野猪、 鸵鸟、 动车组和 rheas、 鳄鱼皮和鳄鱼、 野牛和袋鼠的鹿。从野生猪和袋鼠肉来自野生动物,但很多或大多数的肉,从其他游戏的动物或禽鸟索取饲养动物。从捕杀的动物的肉微生物条件可以受到拍摄,通常的内脏穷人放置和有时进一步在字段中,屠体的选矿和老化的环境温度下的尸体。然而,从尸体一般微生物条件耕种游戏动物或屠宰和穿上合适的屠鸟可以媲美的或比从国内动物或禽鸟的屠体的微生物的条件。从野生或人工养殖的游戏动物或禽鸟的肉的肠道病原菌的发病率可低于那些从肉集约饲养家畜,但可能发生的一些游戏的肉和旋毛虫或其它食源性寄生虫感染。
2023-08-11 08:45:563

英语作文 假设你是Matt Hand 求写一篇作为参考谢谢

As the saying goes: "Hunger breeds discontent." Today"s society, many of the hotel where they stand, rush from a variety of cuisine, in Fujian, Sichuan, Guangdong, Shandong ...... dishes outside of Italy, French, Japanese cuisine, Korean food and so on. We all know that health is to do anything for money, health is closely connected with the food. Today, we take a look at the food on the table now. Food is divided into many kinds of vegetables and fruit, beans, meat, cereals, dairy categories, such as fat. Combination of these categories into a food pyramid, all affect our health. Therefore, in order to achieve a reasonable meals with more vegetables, fruits, less meat, fat category. Cereals-based food, may be an appropriate increase in beans, dairy products category, and we have to remember that eating only eight full meals, not being choosy food anorexia, can not be overeating, eating clean food is most important. In food, contain a people"s health play an important role in the elements - vitamins. Vitamins are divided into A, B, C, D. Different vitamins have different functions. Vitamin A is usually in red, black, more food, such as carrots, black beans and so on. Its main function is to protect the eyes, can be used to protect their eyesight, the treatment of night blindness and other evidence of vitamin C in fruits and vegetables often, it is conducive to the treatment of scurvy, skin diseases. The discovery also has a story: a ship adrift at sea for several days, many sailors have had scurvy, one of a very serious disease, abandoned on a desert island. This after a number of sailors to eat lemons, did not expect that scurvy disappeared. The news of a spread of 100. Lemon after scientists found a large quantity of vitamin C, used to treat disease scurvy. Vitamin B, D and there are many functions, not in this more. Of course, we should pay attention: do not mix in some food to eat, in order to avoid danger. Such as shrimp and vitamin C at the same time can not eat, crabs can not eat persimmons with ......
2023-08-11 08:46:031

复合维生素,的英文缩写!

Multi-Vitamins
2023-08-11 08:46:142

各种维生素的作用是什么

1)维生素A:有维护皮肤细胞功能的作用,可使皮肤柔软细嫩,有防皱去皱功效。维生素A主要作用是保持皮肤、骨骼、牙齿、毛发健康生长,还能促 进视力和生殖机能良好的发展。要摄取维生素A,除全乳制品、动物肝脏、肾脏、蛋、鱼肝油之外,多食用色泽鲜艳的蔬菜和深绿色疏菜,例如芹 菜、南瓜、萝卜等疏果皆含有丰富的维生素A,其中胡萝卜更是佼佼者,多吃不但令粗糙皮肤恢复正常,也能治夜盲症和降低血压。缺乏维生素A,可使上皮细胞的功能减退,导致皮肤弹性下降,干燥,粗糙,失去光泽。维生素A含量丰富的食物有动物肝脏、奶油、黄油、胡萝卜、白薯、绿叶蔬菜、栗子、蕃茄等。 (2)维生素B族:维生素B1能促进胃肠功能,增进食欲,帮助消化,消除疲劳,防止肥胖,润泽皮肤和防止皮肤老化。瘦肉、粮食、花生、葵花子、松子、榛子、紫皮蒜中富含维生素B1。维生素B2有保持皮肤健美,使皮肤皱纹变浅,消除皮肤斑点及防治末梢神经炎作用。维生素B2供给不足,可引起皮肤粗糙、皱纹形成,还易引起脂溢性皮炎、口角炎、唇炎、痤疮、白发、白癜风、斑秃等。肝、肾、蛋、干酪、蘑菇中的大红蘑、松蘑、冬菇、干果中杏仁、蔬菜中金针菜、苜蓿菜含维生素B2丰富应经常食用。维生素B6能促进人体脂肪代谢,滋润皮肤;维生素B1、B2能促进皮肤的新陈代谢,使血液循环畅通,因而被称为“美容维生素”。含维生素B1、B2的食物有动物内脏、鱼类、蚝类、臭豆腐、酱豆腐等。 (3)维生素C:有分解皮肤中黑色素,预防色素沉着,防治黄褐斑、雀斑发生,使皮肤保持洁白细嫩的功能,并有促进伤口愈合、强健血管和骨骼的作用。因此,应多吃含维生素C丰富的食物,如山楂、鲜枣、柠檬、橘子、猕猴桃、芒果、柚子、草莓、西红柿、雪里蕻、白菜、苦瓜、菜花等。这些食物既能满足人体对维生素C的需要,还含有大量的水分,是人体最佳的皮肤滋润佳品。此外,新鲜蔬菜和水果也是多种维生素C的来源,对调节人体血液循环,促进机体代谢,保护皮肤细胞和皮肤弹性都有益处。 (4)维生素D:能促进皮肤的新陈代谢,增强对湿疹、疮疥的抵抗力,并有促进骨骼生长和牙齿发育的作用。服用维生素D可抑制皮肤红斑形成,治疗牛皮癣、斑秃、皮肤结核等。体内维生素D缺乏时,皮肤很容易溃烂。维生素D从食物中仅可少量获得,大部分是通过紫外线照射在皮肤上转化而成的。最简单的补充方法是服用鱼肝油制剂。但因鱼肝油是维生素A和D共同组成的,服用过量可引起中毒,最好在医生指导下服用。含维生素D的食物有各种海鱼的肝、鳕鱼、比目鱼、鲑鱼、沙丁鱼、动物肝脏、蛋类、奶类。 (5)维生素E:维生素E在美容护肤方面的作用是不可忽视的。因为人体皮脂的氧化作用是皮肤衰老的主要原因之一,而维生素E具有抗氧化作用,从而保护了皮脂和细胞膜蛋白质及皮肤中的水分。它还能促进人体细胞的再生与活力,推迟细胞的老化过程。此外,还能促进人体对维生素A的利用;可与维生素C起协同作用,保护皮肤的健康,减少皮肤发生感染;对皮肤中的胶原纤维和弹力纤维有“滋润”作用,从而改善和维护皮肤的弹性;能促进皮肤内的血液循环,使皮肤得到充分的营养与水分,以维持皮肤的柔嫩与光泽;还可抑制色素斑、老年斑的形成,减少面部皱纹及洁白皮肤,防治痤疮。因此,为维护皮肤的健美及延缓衰老,应多吃富含维生素E的食物,如豌豆油、葵花子油、芝麻油、蛋黄、核桃、葵花子、花生米、芝麻、莴笋叶、柑橘皮、瘦肉、乳类等。总之,每天摄入足够的维生素食物对于人体健康和皮肤健美都是十分有益的
2023-08-11 08:46:442

楼梯的单词

楼梯的英文单词是stairs。楼梯(stairs)建筑物中作为楼层间垂直交通用的构件。用于楼层之间和高差较大时的交通联系。在设有电梯、自动梯作为主要垂直交通手段的多层和高层建筑中也要设置楼梯。高层建筑尽管采用电梯作为主要垂直交通工具,但仍然要保留楼梯供火灾时逃生之用。楼梯由连续梯级的梯段(又称梯跑)、平台(休息平台)和围护构件等组成。楼梯的最低和最高一级踏步间的水平投影距离为梯长,梯级的总高为梯高。中国战国时期铜器上的重屋形象中已镌刻有楼梯。15~16世纪的意大利,将室内楼梯从传统的封闭空间中解放出来,使之成为形体富于变化带有装饰性的建筑组成部分。stairs的双语例句:1、Here is a muti-functional stairway.这是一种多功能楼梯。2、The first marine was stuck,maybe three-quarters of the way up the stairway.第一个美军被卡住了,也许是在楼梯往上四分之三处。3、At home,I can call my wife"s cell phone while walking downstairs and avoiding oncoming stairway traffic.在家中,我可以边打妻子电话边下楼梯避免了失足踏空。4、Inside,the hallways are uncomfortably narrow;climbing the central stairway feels like clanging up the stairs of a stadium bleacher.在大楼内部,走廊窄得让人觉得不舒服,爬中央楼梯有像爬体育场露天看台的楼梯一样。5、Her home features patio furniture and a stairway made of bones,floors covered in wine corks and beer bottle caps,and a skylight that used to be a pyrex baking dish.她的家突出了露台家具风格,楼梯是用骨头建造的,地面覆盖着酒瓶塞和啤酒瓶盖,天窗是一个派热克斯烤盘。
2023-08-11 08:35:361

各大洲的英文是什么

亚洲Asia 欧洲Europe 大洋州Australia 南极洲Antarctica 非洲Africa 南美洲South America 北美洲North America
2023-08-11 08:35:374

次氯酸钠消毒原理是什么?

消毒原理是:作为氧化剂使用时主要在强碱介质使用。在酸性介质下迅速分解:4ClOu207b+2Hu2082O→2CIu2082↑+Ou2082↑+4OHu207b,方程式中加Hu207a促进反应正向进行,酸性越强,反应越激烈。次氯酸分子量小,易扩散到细菌表面并穿透细胞膜进入菌体内,使菌体蛋白氧化导致细菌死亡。氯相当活泼,湿的氯气比干的还活泼,具有强氧化性。除了氟、氧、氮、碳和惰性气体外,氯能与所有元素直接化合生成氯化物;氯还能与许多化合物反应,亦能破坏菌体。所以综上所述为次氯酸钠的消毒原理。扩展资料:次氯酸钠注意事项:1、冲洗时不可加压,针头不可堵住根管,以免溶液超出根尖孔,损伤根尖周围组织。为了使药液达到根尖1/3处的根管,应在根管预备充分通畅后使用。2、应新鲜配制,避光、避热、密闭保存。3、浓度高时对黏膜有刺激。4、操作注意事项: 密闭操作,全面通风。操作人员必须经过专门培训,严格遵守操作规程。建议操作人员佩戴直接式防毒面具,戴化学安全防护眼镜,穿防腐工作服,戴橡胶手套。防止蒸气泄漏到工作场所空气中。避免与酸类接触。搬运时要轻装轻卸,防止包装及容器损坏。配备泄漏应急处理设备。倒空的容器可能残留有害物。5、储存注意事项: 储存于阴凉、通风的库房。远离火种、热源。库温不宜超过30℃。应与酸类分开存放,切忌混储。储区应备有泄漏应急处理设备和合适的收容材料。参考资料来源:百度百科-强氧化剂参考资料来源:百度百科-消毒剂参考资料来源:百度百科-次氯酸钠
2023-08-11 08:35:371

HTTPS是什么意思

HTTPS(全称:Hyper Text Transfer Protocol over Secure Socket Layer),是以安全为目标的HTTP通道,简单讲是HTTP的安全版。即HTTP下加入SSL层,HTTPS的安全基础是SSL,因此加密的详细内容就需要SSL。 它是一个URI scheme(抽象标识符体系),句法类同http:体系。用于安全的HTTP数据传输。https:URL表明它使用了HTTP,但HTTPS存在不同于HTTP的默认端口及一个加密/身份验证层(在HTTP与TCP之间)。这个系统的最初研发由网景公司(Netscape)进行,并内置于其浏览器Netscape Navigator中,提供了身份验证与加密通讯方法。现在它被广泛用于万维网上安全敏感的通讯,例如交易支付方面。
2023-08-11 08:35:432

红外人体感应和微波雷达感应的真正区别是什么?

大家都说得很好,但都是百度词条在智能家电领域里,比如一款自动屏幕,微波感应器能做到人靠近就亮起,并判断人在不在红外,也行但是持续功率大,干扰大,所以在成本允许下微波感应雷达代替IrDa是趋势不过在一些依赖电池的小东西上,他不可能够功率长期驱动微波雷达,例如绿米人体感应器,所以就要红外了,不过绿米也已经作出微波雷达人体存在感应器
2023-08-11 08:35:344

洗衣机直筒好还是滚筒好

质量好的洗衣机好用,直筒和滚筒的区别在洗衣方式。1.与直筒洗衣机相比,滚筒洗衣机是通过滚筒进行正向和反向旋转,衣服是通过凸面肌腱提升的,依靠重力自由落下,衣服不容易缠绕,高端衣服可以清洗。滚筒还可以加热水,进一步提高洗涤效果,有利于保护衣物。波轮式洗衣机是一种涡流冲击衣物,依靠波轮的高速运行。借助洗涤剂,洗涤衣物的洗涤度高于滚筒式,自然磨损率高于滚筒式。2.波轮直筒洗衣机必须在水中旋转强力水流,所以不仅强力水流会拉扯衣服,而且每个衣服都很容易因为旋转而互相拉扯和纠缠而对衣服造成伤害。滚筒式洗衣机通过滚筒旋转摩擦、摩擦、拍打和敲打衣服。虽然会有强烈的旋转和纠缠,但相对而言,它不会伤害太多的衣服。滚筒式洗衣机具有不同的洗涤驱动设计和悬挂减震系统,因此运行声音小,身体稳定性高。3.滚筒式洗衣机具有温水洗涤的功能,可以增加洗涤剂的溶解度,增强衣物纤维的蓬松度和洗涤效果。波轮洗衣机缺乏这种功能。波轮洗衣机必须带动水流强劲的衣服在水中旋转。因此,不仅强大的水流会拉扯衣服,而且每件衣服都很容易因为旋转而互相拉扯和纠缠而损坏衣服。滚筒洗衣机通过滚筒旋转摩擦、摩擦、拍打和敲打衣服。虽然会有强烈的旋转和拉扯纠缠,但相对而言,它不会伤害太多的衣服。4.直筒洗衣机是借助洗涤剂的作用,依靠波轮的高速运转而产生的涡流冲击衣物。但这种洗衣机*会使衣物间产生缠绕现象,其磨损率比滚筒洗衣机高,但其洗涤度也比滚筒洗衣机高。所以一般来说,滚筒洗衣机和直筒洗衣机各有所长,滚筒洗衣机能很好的保护衣物,直筒洗衣机能更好的洗涤衣物。
2023-08-11 08:35:271

飞轮储能系统有什么优点?

飞轮储能系统最大的优点就是辅助发动机完成其它三个循环(进气、压缩、排气)。
2023-08-11 08:35:254

《绝命毒师》第五季大结局是什么?

最终的结果是老白复仇成功,但高潮后,老白在意外中被枪杀。这个结局并不是真的突然,基本上没有超出观众的预期。老白癌症越来越严重,即使没有意外,他也会很快死于癌症。对他来说,死亡大师的结局是最好的。小粉又自由了。结尾并不能说明他会发生什么,但我相信他在经历了这种生死之后,不会再吸毒了。他可能会去找那个墨西哥男孩,靠他过活。也许他会把他的故事写成一本书,也许它会被改编成电视剧。我相信他会活得很好。扩展资料从loser到毒枭,身患癌症的沃尔特·怀特最终将走向末路,这是观众事先都知道的命定结局。但如何在8集这么短的时间内,将故事说圆、说精彩,这本身就已造成了一个极大的悬念。观众最好系上安全带,因为最后8集的剧情推进堪称急速,虽然每季的故事都越来越阴暗,但最后这一季的阴暗指数更是绝无仅有的,剧情太生猛,根本不容观众喘息,因为没有时间慢条斯理了。最后8集很凶残,不让人有任何喘息机会。参考资料百度百科- 绝命毒师第五季
2023-08-11 08:35:203