γ

-Linolenic Acid: Purification and Functionality

55

OLL

OLL

18:1

f

33.6

15.4

21.0

64.4

18:1

e

33.6

27.2

41.4

32.2

18:2

66.4

84.6

30.0

35.5

18:2

66.4

72.8

58.6

67.8

PLL

16:0

30.0

48.2

  6.4

35.4

18:1

f

  2.0

n.d.

g

n.d.

n.d.

18:2

67.0

42.8

103

55.6

18:3

  1.0

n.d.

n.d.

n.d.

SGL and PGO

16:0

18.6

36.5

11.3

8.0

18:0

13.5

2.4

22.2

15.6

18:1

f

19.1

8.5

24.3

24.5

18:2

15.5

32.9

1.7

11.9

18:3

33.4

19.8

40.6

39.8

a

All unsaturated fatty acids are n-6, unless otherwise indicated.

b

G, 

γ

-linolenic; L, linolenic; O, oleic; P

, palmitic; S, stearic acids.

c

3 

×

 [T

A

G} – 2 

×

 [

sn

-2,3-DG urethane].

d

3 

×

 [TG] 

−

 [

sn

-1] 

−

 [

sn

-3].

e

3 

×

 [TG] – 2 

×

 [

sn

-1,2-DG urethane].

f

n-7 and n-9.

g

n.d., not detected.

Sour

ce:

Modified from Redden, P

.R. et al., 

J.

 Chr

omato

gr

. 

A

, 704, 99, 1995. 

W

ith permission.

2162_C003.fm  Page 55  Monday, June 20, 2005  12:27 PM

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