Skip to main content

Table 2 Names and structures of the most common unsaturated fatty acids (Hu et al. 2008; Rodolfi et al. 2009)

From: Integration of biology, ecology and engineering for sustainable algal-based biofuel and bioproduct biorefinery

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

− 9.0

18:3D9,12,15

α-Linolenic acid

9,12,15-Octadecatrienoic acid

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

− 17.0

20:4D5,8,11,14

Arachidonic acid

5,8,11,14-Eicosatetraenoic acid

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

− 49.0

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

EPA

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

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

− 54.0

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

DHA

Docosahexaenoic acid

22:6(n-3)

 
  1. Mp. melting point temperature