Biomedical Engineering Reference
In-Depth Information
TABLE 2.6
Examples of Common Fatty Acids
Acid
Structure
Saturated fatty acids
Acetic acid
CH
3
COOH
Propionic acid
CH
3
CH
2
COOH
Butyric acid
CH
3
(CH
2
)
2
COOH
Caproic acid
CH
3
(CH
2
)
4
COOH
Decanoic acid
CH
3
(CH
2
)
8
COOH
Lauric acid
CH
3
(CH
2
)
10
COOH
Myristic acid
CH
3
(CH
2
)
12
COOH
Palmitic acid
CH
3
(CH
2
)
14
COOH
Stearic acid
CH
3
(CH
2
)
26
COOH
Arachidic acid
CH
3
(CH
2
)
18
COOH
Behenic acid
CH
3
(CH
2
)
20
COOH
Lignoceric acid
CH
3
(CH
2
)
22
COOH
Monoenoic fatty acids
Oleic acid
cis CH
3
(CH
2
)
7
CH
¼
CH(CH
2
)
7
COOH
Dienoic fatty acid
Linoleic acid
cis - cis CH
3
(CH
2
)
4
(CH
¼
CHCH
2
)
2
(CH
2
)
6
COOH
Trienoic fatty acids
a
-Linolenic acid
cis - cis - cis CH
3
CH
2
(CH
¼
CHCH
2
)
3
(CH
2
)
6
COOH
g
-Linolenic acid
cis - cis - cis CH
3
(CH
2
)
4
(CH
¼
CHCH
2
)
3
(CH
2
)
3
COOH
Tetraenoic fatty acid
Arachidonic acid
cis - cis - cis - cis CH
3
(CH
2
)
4
(CH
¼
CHCH
2
)
4
(CH
2
)
2
COOH
Unusual fatty acids
Tariric acid
CH
3
(CH
2
)
10
C
^
C(CH
2
)
4
COOH
Lactobacillic acid
CH
3
(CH
2
)
5
CH
⎯
CH(CH
2
)
9
COOH
CH
2
O
O
Prostaglandin
OH
PGE
1
HO
OH
(Continued)
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