AQUACULTURE: ROLE OF VITAMINS,MULTIVITAMINS FOR ENHANCEMENT OF IMMUNITY,GROWTH IN FISHES 2

FAT SOLUBLE VITAMINS: They dissolve in fat before they are absorbed in the bloodstream to carry out their functions. Excesses of  these vitamins are stored in the liver,and are not needed every day in the diet. Examples are: vitamin A1(retinol,retinoic acid),vitamin A2(dehydroretinol),vitamin D2(ergoCalciferol),vitamin D3(cholecalcferol),vitamin E(tocopherol,tocotrienols),vitamin K1(phylioquinone),vitamin K2(menaquinone),vitamin K(menadione).


WATER SOLUBLE VITAMINS: They dissolve in water and are not stored by the body;since they are not eliminated in urine and are easily destroyed or washed out during food storage or preparation. Examples are: thiamin (vitamin B1),riboflavin(vitamin B2),niacin(vitamin B3),vitamin B6(pyridoxol,pyridoxamine)pantothenic acid(vitamin B5),biotin(vitamin H,vitamin B8),folic acid(vitamin M,vitamin B9),vitamin B12(cobalamin),choline(gossypine),vitamin c(ascorbic acid).