Thursday 7 July 2011

Discovery years of vitamins

Vitamin Name
Year of discovery
Vitamin A (Retinol)
1913
Vitamin B1 (Thiamine)
1910
Vitamin C (Ascorbic acid)
1920
Vitamin D (Calciferol)
1920
Vitamin B2 (Riboflavin)
1920
Vitamin E (Tocopherol)
1922
Vitamin B12 (Cobalamins)
1926
Vitamin K1 (Phylloquinone)
1929
Vitamin B5 (Pantothenic acid)
1931
Vitamin B7 (Biotin)
1931
Vitamin B6 (Pyridoxine)
1934
Vitamin B3 (Niacin)
1936
Vitamin B9 (Folic acid)
1941

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