General Characteristics and Classification FA T-SOLUBLE VITAMINS WA TER –SOLUBLE VITAMINS Vitamin A, D, E, K Ascorbic Acid (Vit. C) & B –complexes Soluble in fats and fat solvent Soluble in water Intake in excess of dietary needs are stored in the liver Intake in excess of body needs are excreted Deficiencies are slow to develop Deficiency signs often develop easily/rapidly Not absolutely necessary in diet everyday Must be supplied everyday in the diet Have precursors Excreted by way of urine
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General Characteristics and Classification
FAT-SOLUBLE VITAMINS WATER – SOLUBLEVITAMINSVitamin A, D, E, K Ascorbic Acid (Vit. C) &
B – complexes
Soluble in fats and fat solvent Soluble in water
Intake in excess of dietary needsare stored in the liver Intake in excess of body needs
are excretedDeficiencies are slow to develop Deficiency signs often developeasily/rapidlyNot absolutely necessary in dieteveryday Must be supplied everyday in
the dietHave precursors Excreted by way of urine
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Fat- soluble vitamins are the vitamins
that can be dissolved by fats. These vitamins are; vitamin A , vitamin D , vitamin E and vitamin K . These
vitamins need a fat-soluble medium tokeep them in solution and to facilitatereactions, whether in the food or in the
body.
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The main function of these fat-solublevitamins is regulating the body processes.The other functions are energy giving,building and repairing any tissues that havebeen damage. Fat- soluble vitamins areneeded to have a good night vision, neededto have strong bones and skeletal systemand needed by the nervous and reproductivesystem to have a stable cell membrane.
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The most common food sources of these vitamins are in animal sourcesare the liver, egg yolk, milk, fortified
margarine, cheese and glandularorgans, while in Plant sources aresoybean oil, germ oils, legumes,malunggay and kang kong, the goodsources of these vitamins can be found
in animal origin.
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*Animal Sources-Liver, Egg yolk, Milk, and Cream
-Fortified Margarine/Skim Milk fortified with vitamin A.
*Plant Sources-Malunggay, Kang Kong, Peaches and others.
-The deeper the yellow and the darker the green;
more vitamin A is present .
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-Maintains the integrity of epithelial tissues, especially mucus lining.-Needed for normal night vision.-Needed for normal bone and
skeletal growth.-Needed by nervous andreproductive system for stability
of cell membrane .
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-Toad’s skin. -Dry and rough skin.-Eruptions around the hairfollicles.
-Usually it is site in thighs,abdomen, upper arms and
back.
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start
finish
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-Violent head ache, nausea andvomiting.-Thickening of skin with peeling off.-Painful long bones.-Coarse.-Sparse hair.-Enlargement of spleen and liver.-In young girls, cessation of menstruation.
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-Cornea is affected early.-Lachrymal gland fails to function.-Keratinizations.-Pus develops.-Eye hemorrhages.-Bitot’s spot, symptoms mild form. -Opthalmia, symptoms severe form.-Some cases, total blindness result.
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*Animal Sources-Fortified margarine, butter, milk andcheese; liver and other glandularorgans; sardines and salmon; eggyolk.-Fish liver oils.
*Plant Sources-No significant compare to animalsources.
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-Promotes normal bone andteeth development.
-Facilitates the absorption of calcium and phosphorous.