Vitamins are essential organic compounds required in minute quantities for proper growth and nutrition. As vitamins cannot be synthesized by the human body and must be supplied through the diet. Fat soluble vitamins Fat soluble vitamins are soluble in lipids. They have common isoprene structure; 5 carbon unsaturated branched compounds. […]

Polyunsaturated fatty acids (PUFA) are those fatty acids which have more than 2 double bonds on their structure. These cannot be synthesized inside the body and requirement must be fulfilled through diet. Nuts, seeds, plant oil, sea food are rich in PUFA. Methyl end   →    CH₃CH₂CH=CHCH₂CH=CHCH₂CH=CH(CH₂)₇COOH    ←  Carboxy end Numbering […]