Understanding Lipid Classification and Structure
Explore the classification of lipids into simple, compound, and derived categories, understanding their structure, properties, and examples such as triglycerides, phospholipids, glycolipids, and more. Discover how lipids play essential roles in biological systems.
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Presentation Transcript
What are lipids ? These organic compounds are nonpolar molecules, which are soluble only in Non-polar solvents and insoluble in water because water is polar molecules
Simple lipids (FA +Alcohol) Esters of fatty acids with glycerol. Mainly of three types : 1) triglycerides (FA+alcohol) 2) Fats and oils () 3) waxes (FA + cetyl alcohol)
Compound lipids Mainly classified into 2 types I )Phospholipids (FA+alcohol + phosphate + N- base ) 1) Glycerophoshpolipids : (FA+ glycerol + N-base+ phosphate ) example : lecithin, cephalin 2) Sphingophospholipids : (FA+ sphingosine + N-base + phosphate) Example : Sphingomyelin
II) Glycolipids (FA+Sphingosine + carbohydrate+ N-base) Example cerebrosides , gangliosides
Derived lipids Derived lipids are the substances derived from simple and compound lipids by hydrolysis. Examples : Steroids, cholesterol .
