In this article we will discuss about the production of various vitamins. 1. Vitamin B12 (Cyanocobalamine): G.R. Minot and W.B. Murphy (1926) studied that liver extracts cure pernicious anaemia in human beings. In 1936, both of them shared a Nobel Prize in medicine for this discovery. After this, E.L. Ricke and L. Smith (1948) isolated […]