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Table 1 Gonad fatty acid composition of Arbacia lixula males and females collected at La Herradura

From: Males and females gonad fatty acids of the sea urchins Paracentrotus lividus and Arbacia lixula (Echinodermata)

Fatty acids

Males (n = 37)

Females (n = 30)

14:0

2.0 ± 1.1

3.1 ± 0.9a

15:0

1.2 ± 0.4

1.6 ± 0.4a

16:0 DMA

0.8 ± 0.3

0.8 ± 0.5

16:0

15.0 ± 1.6

17.4 ± 2.1a

17:0

0.8 ± 0.1

0.7 ± 0.2a

18:0 DMA

4.0 ± 1.3

3.7 ± 1.1

18:0

7.1 ± 1.8

4.2 ± 1.4a

20:0

1.7 ± 0.5

1.3 ± 0.4a

∑ saturated

27.9 ± 2.0

28.2 ± 2.6

16:1n-7

1.4 ± 0.9

3.0 ± 1.2a

18:1n-9

1.1 ± 0.7

1.3 ± 0.4

18:1n-7

3.0 ± 0.7

3.7 ± 0.7a

20:1n-11

6.8 ± 2.7

6.7 ± 1.8

20:1n-9

1.1 ± 0.4

1.4 ± 0.4a

20:1n-7

1.3 ± 0.4

1.2 ± 0.3

22:1n-9

4.5 ± 1.2

2.6 ± 1.1a

∑ monoenoic

19.3 ± 3.2

19.8 ± 1.2

18:2n-6

0.5 ± 0.3

0.9 ± 0.4a

18:3n-6

1.2 ± 0.2

1.0 ± 0.2a

20:2n-6

1.9 ± 0.5

1.9 ± 0.4

20:3n-6

0.4 ± 0.1

0.4 ± 0.1

20:4n-6

16.9 ± 2.8

13.8 ± 2.5a

22:4n-6

1.8 ± 0.2

1.6 ± 0.3

22:5n-6

0.8 ± 0.4

0.7 ± 0.4

∑ PUFA n-6

21.7 ± 2.9

18.6 ± 2.8a

18:3n-3

0.6 ± 0.5

1.1 ± 0.5a

18:4n-3

1.2 ± 0.5

1.9 ± 0.5a

20:3n-3

1.2 ± 0.5

1.2 ± 0.3

20:4n-3

0.2 ± 0.1

0.3 ± 0.1a

20:5n-3

15.5 ± 5.0

16.3 ± 4.2

22:5n-3

0.9 ± 0.3

0.7 ± 0.2a

22:6n-3

1.8 ± 0.8

1.9 ± 1.4

∑ PUFA n-3

21.4 ± 5.7

23.5 ± 4.6

20:2Δ 5,11 NMID

2.7 ± 0.8

3.1 ± 0.7a

20:2Δ 5,13 NMID

0.4 ± 0.3

0.6 ± 0.3a

  1. Values are mean percentages ± SD
  2. n Number of samples, DMA dimethylacetal, NMID non-methylene-interrupted diene, PUFA polyunsaturated fatty acids
  3. aP < 0.05 with respect to males