This document discusses lipids and fatty acids. It provides information on the structure and properties of different fatty acids, including their common names and melting points. It also covers triglycerides and how they are formed from glycerol and fatty acids. Phospholipids and cholesterol are discussed as well as their roles in cell membranes. The fluid mosaic model of cell membranes incorporating these lipids is introduced. Finally, it mentions fat and lipids in the blood and vitamins.

1. Biochemistry
of Lipids
Biochemistry and Molecular
Biology

3. Fatty Acids

4. Fatty Acids

5. Fatty Acids
e.g. palmitic Acid is abbreviated as 16:0
C16
C1
e.g. oleic Acid is abbreviated as 18:1D9

6. Fatty Acids
Lauric Acid Glucose
MW: 200 MW: 180
solubility in H2O: 0.063 mg g-1 solubility in H2O: 1,100 mg g-1
(solubility in benzene: 2.60 mg g-1)

7. Fatty Acids
Some FAs and their common names…
14:0 myristic acid
16:0 palmitic acid
18:0 stearic acid
18:1 cisD9 oleic acid
18:2 cisD9,12 linoleic acid
18:3 cisD9,12,15 -linonenic acid
20:4 cisD5,8,11,14 arachidonic acid
20:5 cisD5,8,11,14,17 eicosapentaenoic acid

8. Fatty Acids
Oleic Acid
Linolenic acid
Linoleic acid

9. Fatty Acids
e.g. Fatty Acid Melting Point (oC)
12:0 44.2
14:0 53.9
16:0 63.1
18:0 69.8
18:1 13.4
18:2(D9,12) 1.5
18:3(D9,12,15) - 11.0

10. Fatty Acids

11. Isomerism
H Cl
Trans or E C C
Cl H
H H
C C
Cis or Z
Cl Cl

12. Fatty Acids

13. Triacylglycerides
Glycerol
alcohol carboxylic acid ester

14. Triacylglycerides

15. Triacylglycerides
Ester Link
Fatty Acid
Glycerol

16. Triacylglycerides
FA1
Diglyceride
G
FA2
FA1
G
Triglycerides FA2
FA3

17. Triacylglycerides

18. Triglycerides

19. Triglycerides
Adipocytes

20. Triglycerides

21. Triglycerides

22. Energy from fat

24. Phospholipids

25. The four phosphlipids

27. Cholesterol

28. Fluid Mosaic Model

30. Fat in the blood

34. Vitamins