Biomolecules & Polymers Vitamins - Edubirdie

University:
California State University, Chico
Course:
CHEM 370 | Organic Chemistry II
Academic year:

2022
Views:

368

Pages:

1
Author:

Zoie Hudson

BIOMOLECULES & POLYMERS VITAMINS It has been observed that certain organic compounds are required in small amounts in our diet but their deficiency causes specific diseases. These compounds are called vitamins. CLASSIFICATION OF VITAMINS Vitamins are classified into two groups depending upon their solubility in water or fat. (i) Fat soluble vitamins: Vitamins which are soluble in fat and oils. But insoluble in water are kept in this group. These are vitamins A, D, E and K. They are stored in liver and adipose (fat storing) tissues. (ii) Water soluble vitamins: B group vitamins and vitamin C are soluble in water so they are grouped together. Water soluble vitamins must be supplied regularly in diet because they are readily excreted in urine and can not be stored (except vitamin B12) in our body. Some important vitamins, their sources and diseases caused by their deficiency are listed in table. Sr. No. Name of Vitamins Source Vitamin A 1 (Retinol) Fish liver oil, carrots, butter and milk Vitamin B1 2 (Thiamine) Yeast, milk, Green Vegetables and cereals and grams Milk, egg white, liver, Kidney Vitamin B2 3 (Riboflavin) Vitamin B6 (Pyridoxine) Vitamin B12 5 (Cyanocobal-amine) Vitamin C 6 (Ascorbic acid) 4 Yeast, milk, egg yolk, cereals and grams Meat, fish, egg and curd Citrus fruits, amla and green leafy vegetables Exposure to sunlight, fish and egg yolk 7 Vitamin D (Calciferol) Vitamin E or Jocopherolr (,  and ) Eggs, Milk, Fish, Wheat 8 or Antisterility factor germ oil colton seed oil etc. Deficiency Diseases Xerophthalmia (hardening of cornea of eye) Night blindness Beri beri (loss of appetite, retarded growth) Cheilosis (fissuring at corners of mouth and lips), digestive disorders and burning sensation of the skin Convulsions Pernicious anaemia (RBC deficient in haemoglobin) scurvy (bleeding gums) Rickets (bone deformities in children) and osteo-malacia (soft bones and joint pain in adults) Sterility (loss of sexual power and reproduction)

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