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education/nutrition/Lipids.md
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@ -4,7 +4,7 @@
- Major functions of lipids in the body include - Major functions of lipids in the body include
- Providing and storing energy - Providing and storing energy
- forming and maintaining cell membranes - forming and maintaining cell membranes
- producing steroid hormoes - producing steroid hormones
- insulating the body - insulating the body
- cushioning the body against bumps and blows - cushioning the body against bumps and blows
- forming body contours - forming body contours
@ -24,6 +24,15 @@ A fatty acid is a hydrocarbon chain found in lipids; one end of the chain forms
- Has one double bond within the carbon chain - Has one double bond within the carbon chain
- **Polyunsaturated** (PUFA) - **Polyunsaturated** (PUFA)
- Fatty acid that has two or more bonds within the carbon chain - Fatty acid that has two or more bonds within the carbon chain
- **Essential fatty acids** are fatty acids that must be supplied by the diet
- **Linoleic acid** - 18 carbon omega-6 fatty acid found in vegetable oils
- **Alpha-linolenic acid** - 18 carbon omega-3 fatty acid, found in flaxseed, walnuts
- Precursor for
- Eicosapentaonoic acid (EPA) - 20 carbons
- Docosahexaenoic acid (DHA): 22 carbons
- Both acids are found mainly in fatty fish
- Essential fatty acids are needed for growth and healthy cell membranes, especially in the brain.
# Triglycerides # Triglycerides
# Phospholipids # Phospholipids
# Sterols # Sterols