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Lipids (foods are rich in lipids (egg yolk, nuts, fatty meat, oils, dairy…
Lipids
foods are rich in lipids
egg yolk
nuts
fatty meat
oils
dairy products
Functions
Insulating heat
Cushion to protect organs
energy reserve
1g of lipids provide 38.9kJ of energy
Solvent to transport vitamins
Form cell membrane
Types
Steroids
Phospholipids
Triglycerides
Most common type
Composition
Hydrogen
Oxygen
Carbon
Structure
a glycerol molecule
Three fatty acid
unsaturated fatty
saturated fatty