| Approximate Year of discovery | Vitamin / Chemical Name | Food source | Deficiency Disease |
|
1913
|
Vitamin A (Retinol, retinal) | Cod liver oil | Night blindness, Keratomalacia |
|
1910
|
Vitamin B1 (Thiamine) | Rice bran | Beriberi, Wernicke-Korsakoff syndrome |
|
1920
|
Vitamin B2 (Riboflavin) | Eggs | Ariboflavinosis |
|
1936
|
Vitamin B3 (Niacin, niacinamide) | Liver | Pellagra |
|
1931
|
Vitamin B5 (Pantothenic acid) | Liver | Paresthesia |
|
1934
|
Vitamin B6 (Pyridoxine, pyridoxamine, pyridoxal) | Rice bran | Anemia, peripheral neuropathy. |
|
1931
|
Vitamin B7 (Biotin) | Liver | Dermatitis, enteritis |
|
1941
|
Vitamin B9 (Folic acid, folinic acid) | Liver | Deficiency during pregnancy is associated with birth defects, such as neural tube defects |
|
1926
|
Vitamin B12 (Cyanocobalamin, hydroxycobalamin, methylcobalamin) | Liver | Megaloblastic anemia |
|
1920
|
Vitamin C (Ascorbic acid) | Lemons | Scurvy |
|
1920
|
Vitamin D (Ergocalciferol, cholecalciferol) | Cod liver oil | Rickets and Osteomalacia |
|
1922
|
Vitamin E (Tocopherols, tocotrienols) | Wheat germ oil, Cosmetics and liver | Sterility, Deficiency is very rare; mild hemolytic anemiain newborn infants |
|
1929
|
Vitamin K (phylloquinone, menaquinones) | Alfalfa | Hemophilia, Bleeding diathesis |
Vitamins: Chemical Name, Sources, Deficieny and Discovery
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