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Lipids

Lipids play a crucial role in the body by serving as long-term energy storage, providing protection, and forming structural components. They include various categories such as fatty acids, phospholipids, prostaglandins, waxes, steroids, and terpenes, each with distinct functions and structures. Understanding lipid categories and functions is vital for comprehending their role in overall health.

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Lipids

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  1. Lipids

  2. General Function • Long-term storage of energy (9 kcal / g) • Protection • Reduce heat loss & water loss • Structural Components • Hormones • Vitamins (A, D, E, and K) • Prostaglandins

  3. Lipid Categories I (General)

  4. Lipid Categories II (Detailed)

  5. Lipid Categories III (Fatty Acid)

  6. Fatty Acids - Boiling Points

  7. F.A. Reactions (Unsaturated)

  8. F.A. Reactions (Acid)

  9. Saponification

  10. Phospholipids

  11. Cell Membrane

  12. Phosphatides

  13. sphingolipids • Sphingomyelin (myelin sheath) • Glycolipids (Glycocalyx)

  14. Prostaglandins • Locally acting messenger molecules • Produced in many places throughout the human body • Various Functions including: • Regulating the contraction and relaxation of smooth muscle tissue • Involved in allergic and inflammatory responses • Prevents formation of blood clots • Affects blood pressure, conception, and fertility

  15. Waxes • Esters of long chain fatty acids and long chain alcohols • Protective coatings • Animals – Skin, Fur and Feathers • Plants – leaves and fruits

  16. Steroids – Basic Structure

  17. Steroids-Production of Cholesterol

  18. Steroids-Cholesterol Derivatives Synthetic

  19. Steroids-Cell Membrane

  20. Terpenes-Isoprene Unit

  21. Terpenes-Isoprene Unit

  22. Terpenes-Isoprene Unit

  23. Lipid Vitamins

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