COMMON BIOLOGICAL SATURATED FATTY ACIDS

Symbol

common name

systematic name

structure

mp(C)

12:0

Lauric acid

dodecanoic acid

CH3(CH2)10COOH

44.2

14:0

Myristic acid

tetradecanoic acid

CH3(CH2)12COOH

52

16:0

Palmitic acid

Hexadecanoic acid

CH3(CH2)14COOH

63.1

18:0

Stearic acid

Octadecanoic acid

CH3(CH2)16COOH

69.6

20:0

Arachidic aicd

Eicosanoic acid

CH3(CH2)18COOH

75.4

COMMON BIOLOGICAL UNSATURATED FATTY ACIDS

Symbol

common name

systematic name

structure

mp(C)

16:1D9

Palmitoleic acid

Hexadecenoic acid

CH3(CH2)5CH=CH-(CH2)7COOH

-0.5

18:1D9

Oleic acid

9-Octadecenoic acid

CH3(CH2)7CH=CH-(CH2)7COOH

13.4

18:2D9,12

Linoleic acid

9,12 -Octadecadienoic acid

CH3(CH2)4(CH=CHCH2)2(CH2)6COOH

-9

18:3D9,12,15

a-Linolenic acid

9,12,15 -Octadecatrienoic acid

CH3CH2(CH=CHCH2)3(CH2)6COOH

-17

20:4D5,8,11,14

arachidonic acid

5,8,11,14- Eicosatetraenoic acid

CH3(CH2)4(CH=CHCH2)4(CH2)2COOH

-49

20:5D5,8,11,14,17

EPA

5,8,11,14,17-Eicosapentaenoic- acid

CH3CH2(CH=CHCH2)5(CH2)2COOH

-54

22:6 D4,7,10,13,16,19

DHA

Docosohexaenoic acid

22:6w3

 

 % FATTY ACIDS IN VARIOUS FATS

FAT

<16:0

16:1

18:0

18:1

18:2

18:3

20:0

22:1

22:2

.

Coco-nut

87

.

3

7

2

.

.

.

.

.

Canola

3

.

 

11

13

10

.

7

50

2

Olive Oil

11

.

4

71

11

1

.

.

.

.

Butter-fat

50

4

12

26

4

1

2

.

.

.