One hundred years of vitamins—a success story of the natural sciences

M Eggersdorfer, D Laudert, U Létinois…

Index: Hoffmann-La Roche Patent: US2384136 , 1941 ;

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Citation Number: 44

Abstract

... 1941. 1941. 1946. ... vitamin was ascorbic acid/vitamin C from Merck (Cebion), which was isolated from plant leaves, and became available in 1933.12 The first industrial-scale chemical production was also of vitamin C and was achieved by F. Hoffmann–La Roche (Roche)13 in ...