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Why we take in vitamins 5.Not a medicine after all
Установите соответствие между текстами A–G и заголовками 1–8. Занесите свои ответы в таблицу. Используйте каждую цифру только один раз. В задании один заголовок лишний.
1.Why we take in vitamins 5.Not a medicine after all 2.Vitamins can cure 6.From the history of vitamins 3.A misleading name 7.Vitamins can harm you 4.To cook or not to cook 8.Naming vitamins A. The term vitamin was derived from vitamine, a compound noun coined in 1921 by the Polish biochemist Funk. The name is from vital and amine, meaning the amine of lifebecause it was suggested in 1921 the organic micronutrient food factors that prevent dietary-deficiency diseases might be chemical amines. This was true only for some of
B. It is interesting that vitamins are named mainly after the letters of the alphabet. We know there are vitamins from A to E but then it goes directly to K. Where are the ones that should correspond to letters F—J? In fact, these vitamins were either reclassified over time, discarded as false leads or renamed because of their relationship to vitamin B, which eventually became a complex of vitamins.
C. Vitamins are essential for the normal growth and development of a multicellular organism. At different stages of growing a body requires certain vitamins and minerals to be present at certain times. These nutrients facilitate the chemical reactions that produce, among other things, skin, bone and muscle. If there’s a serious deficiency in one or
D. People in ancient times didn’t know about vitamins but they did know that certain foods could help cure illnesses. The ancient Egyptians fed a person liver to cure night blindness. The Japanese were the first to experiment with diets to cure beriberi in the navy in 1884. In 1897, F. Hopkins postulated some foods contain elements necessary for a body to function. In 1929, he was awarded the Nobel Prize for discovering several vitamins. E.Most countries place vitamins and dietary supplements in a special category under the F.In large doses some vitamins have documented side effects that tend to be more
G.Each product is rich in vitamins but the point is man cooks food. Up to a quarter of
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