LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H...
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Transcript of LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H...
![Page 1: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/1.jpg)
LIPIDS
Chapter 6
![Page 2: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/2.jpg)
Typical Fatty Acid Structure
omega end alpha end(methyl group) (carboxyl
group)
H H H H H H H H H H H H H H H H H O
H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH
H H H H H H H H H H H H H H H H H
![Page 3: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/3.jpg)
Degrees of Saturation
Saturated
Unsaturated Monounsaturated Polyunsaturated
![Page 4: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/4.jpg)
Saturated Fatty Acid Structure
omega end alpha end
All single bonds to hydrogen
H H H H H H H H H H H H H H H H H O
H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH
H H H H H H H H H H H H H H H H H
![Page 5: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/5.jpg)
Monounsaturated Fatty Acid Structure
omega end alpha end
One double bond
H H H H H H H H H H H H H H H O
H-C--C--C--C--C--C--C--C--C=C--C--C--C--C--C--C--C--C-OH
H H H H H H H H H H H H H H H H H
![Page 6: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/6.jpg)
Polyunsaturated Fatty Acid Structure
omega end alpha end
> 2 double bonds
H H H H H H H H H H H H H O
H-C--C--C--C--C--C=C--C--C=C--C--C--C--C--C--C--C--C-OH
H H H H H H H H H H H H H H H H H
![Page 7: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/7.jpg)
Essential Fatty Acid Omega-3 (alpha-linolenic
acid)
omega end alpha end
1st double bond is located on the 3rd carbon from the omega end
H H H H H H H H H H H H H H H H H O
H-C--C--C=C--C--C =C--C--C=C--C--C--C--C--C--C--C--C-OH
H H H H H H H H H H H
![Page 8: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/8.jpg)
Essential Fatty AcidOmega-6 (alpha-linoleic
acid)
omega end alpha end
1st double bond is located on the 6th carbon from the omega end
H H H H H H H H H H H H H O
H-C--C--C--C-- C--C =C--C--C=C--C--C--C--C--C--C--C--C-OH
H H H H H H H H H H H H H H H H H
![Page 9: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/9.jpg)
Triglycerides
(Ester bond)
Glycerol + 3 FA’s Triglyceride + 3 H20
H
H--C--OH
H--C--OH
H--C--OH
H
O
HO-C-R
O
HO-C-R
O
HO-C-R
+
H O
H--C--O--C--
O
H--C--O--C--
O
H--C--O--C--
H
R + H2O
R + H20
R + H20
![Page 10: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/10.jpg)
Triglycerides
esterification deesterfication
H
H--C--OH
H--C--OH
H--C--OH
H
Fatty Acid
Fatty Acid
Fatty Acid
+
H O
H--C--O--C--
O
H--C--O--C--
O
H--C--O--C--
H
Fatty Acid
Fatty Acid
Fatty Acid
![Page 11: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/11.jpg)
Functions of Triglycerides
Provide energy Efficient storage of
energy Insulation Protection Transport fat-soluble
vitamins Satiety Flavor and texture
![Page 12: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/12.jpg)
Emulsification
![Page 13: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/13.jpg)
Cholesterol Content in Food
![Page 14: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/14.jpg)
Digestion of lipids
![Page 15: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/15.jpg)
Absorption of lipids
![Page 16: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/16.jpg)
Chylomicrons
![Page 17: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/17.jpg)
Transport of Lipids
![Page 18: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/18.jpg)
Transport of Lipids
![Page 19: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/19.jpg)
Transport of Lipids
![Page 20: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/20.jpg)
Atherosclerosis
![Page 21: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/21.jpg)
Cis and Trans Fatty Acid
![Page 22: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/22.jpg)
Hydrogenation Process
![Page 23: LIPIDS Chapter 6. Typical Fatty Acid Structure omega end alpha end (methyl group) (carboxyl group) H H H H H H H H H H H H H H H H H O H-C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C--C-C-OH.](https://reader035.fdocuments.net/reader035/viewer/2022062221/56649edb5503460f94beaae0/html5/thumbnails/23.jpg)
Trans Fatty Acids in Foods