ISOMERISM IN FATTY ACIDS
ISOMERISM IN FATTY ACIDS
- Cis- trans isomerism is a type of geometric isomerism.
- Cis- trans isomerism occurs in unsaturated fatty acids.
- Double bonds in naturally occuring vegetable unsaturated long-chain fatty acids are nearly all in the cis configuration.
- Trans fattyacids are formed during the hydrogenation.
- Trans fatty acids are in deep fried foods.
- Trans fatty acid is increased in vegetable oil refining, hydrogenation and food frying.
- High dietry trans fatty acid increases LDL cholesterol and decreases HDL.
Effects of Fatty acids on Lipid Profile and Cardiovascular disease-
1. Saturated fatty acid-
- Carbon chain length of 14- myristic (increases cholesterol)
- Carbon chain length of 16- palmitic
- Carbon chain length of 18- Stearic acid
2. Monounsaturated fatty acid (oleic acids)- decrease CHD.
- Least source of PUFA ls Coconut oil
- Richest source of medium chain fatty acid is Coconut oil
- Fatty acid present in human milk is Docosa Hexaenoic Acid (Cervonic Acid).
Exam Important
- Cis- trans isomerism occurs in unsaturated fatty acids.
- Double bonds in naturally occuring vegetable unsaturated long-chain fatty acids are nearly all in the cis configuration.
- Trans fattyacids are formed during the hydrogenation.
- Trans fatty acids are in deep fried foods.
- Trans fatty acid is increased in vegetable oil refining, hydrogenation and food frying.
- Saturated fatty acid-
- Carbon chain length of 14- myristic (increases cholesterol)
- Carbon chain length of 16- palmitic
- Carbon chain length of 18- Stearic acid
- Fatty acid present in human milk is Docosa Hexaenoic Acid (Cervonic Acid).
- Least source of PUFA ls Coconut oil
- Richest source of medium chain fatty acid is Coconut oil
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