University:
Swansea University
Course:
PM134 | Microbiology
Academic year:

2023
Views:

492

Pages:

2
Author:

Amal J.

Examples of Saturated Fats - Coconut oil, cheese, butter. Overuse of unsaturated fats is dangerous. Unsaturated Fats Monounsaturated: e.g., olive oil Polyunsaturated: e.g., sunflower oil Saturated vs. Unsaturated Fat Diagrams Viscous (Saturated Fat): [Illustration of closely packed molecules] Fluid (Unsaturated Fat): [Illustration of loosely packed molecules] Triglycerides Fat storage Used as an energy source Double the amount of energy compared to carbohydrates and proteins Phospholipids make up most of the membrane e.g., butter, oil Non-glyceride Lipids Complex Lipid Glycolipid: Lipids with carbohydrates (Cell membrane stability) Lipoprotein: Lipids with proteins e.g., LDL, HDL (e.g., Transportation of cholesterol) HDL: 50% protein + 30% phospholipid LDL: 25% protein + 25% cholesterol + 10% triglyceride Function of Lipids Body composition Men: 15-20%, Women: 18-25% of body weight Insulation and padding Subcutaneous layer of fat acts as an effective insulator Some vital organs are protected from physical injury by padding of fat. Supply energy