Vitamins Essay -- essays research papers

VitaminsIn the early 20th century the discovery of vitamins began. Today thereis a chance that there are some vitamins that are still undiscovered. Thedefinition of vitamin is one of several substances necessary for animalnutrition, and occurring in minute quantities in natural foods numerous typeshave been distinguished, and designated by the letters of the alphabet. Eachand every living animal needs vitamins to grow and be healthy.Since the human body can t produce vitamins naturally or normallyproduce the amounts needed, food provides the body with them. There aredifferent vitamins found in different foods. These vitamins give vitalnutrients to an animal.In 1906, the British biochemist Sir. Frederick Hopkins show thatfoods contain accessory factors in addition to proteins, carbohydrates, fats,minerals and water. Then, in 1912, thee chemist Casimir Funk identified thatthe antiberiberi substance in unpolished rice was an amine (a type ofNitrogen-containing compound), so Funk propo sed that it be named vitamine, fromvital amine. It was later discovered that different vitamins have differentchemical properties. This discovery caused vitamine to be turned into vitamin.In 1912 Hopkins and Funk make a hypothesis. The hypothesis stated theabsence of some vitamins could cause diseases such as beriberi and scurvy.Later a letter was appoint to each vitamin. The letters which were assigned tovitamins in the early years of vitamin research categoriz...