History vitamins

People of vitamin formal studies, only a half-century history of the twentieth century ago, biochemists only know food mainly protein, fat, carbohydrates, minerals and water are five main components. Experiments prove that only the five components of the feed dubbed the long-term feeding animals, often end up will lead to animal death, indicating the nutritional needs of organisms is not only the above-mentioned five kinds of ingredients. 1912 Polish scholars Funk found that, in rice bran there is a substance able to prevent beri-beri, the rice bran to study the purification of this substance and found it was a kind of amino-containing organic (ie, vitamin B1), Funk named this material as "Vitamin", Vitamin "the name has been in use to the present, and for internationally common.