Differences between saturated and unsaturated fatty acids are:
Saturated fatty acids
* The hydrocarbon chain without double bond.
* Usually straight chains
* Solid at room temperature.
* Relatively higher melting point.
* Occurrence in most animal fats.
* More abundant in fat storage cells or adipocytes of animal and less in non-storage
* Hydrogenation has no effect
* Increase the blood cholesterol in human beings, gets deposited on inner wall of artery (arteriosclerosis)
Unsaturated fatty acids
* Possess one to more double bonds in their hydrocarbon chain.
* Chains bent at the double Bonds
* Liquid at room temperature.
* Relatively lower melting point.
* Occur in most plant cells.
* More abundant in non-storage living cells, in elaioplast of plant cells and less in storage cells and also in adipocytes of cold blooded (poikilothermic) animals.
* Hydrogenation converts them into Saturated state.
* Lower the blood cholesterol in human beings
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