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Table 2 Gonad fatty acid composition of Paracentrotus lividus 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 = 51)

Females (n = 15)

14:0

7.3 ± 2.0

8.5 ± 1.2a

15:0

1.1 ± 0.2

1.2 ± 0.2a

16:0 DMA

0.3 ± 0.1

0.2 ± 0.1a

16:0

16.9 ± 2.7

17.9 ± 1.9

17:0

0.4 ± 0.1

0.4 ± 0.1

18:0 DMA

3.9 ± 1.1

3.3 ± 0.9

18:0

3.6 ± 0.7

3.1 ± 0.5a

20:0

0.6 ± 0.1

0.6 ± 0.1

∑ saturated

29.9 ± 4.3

31.7 ± 2.5

16:1n-7

2.2 ± 1.0

2.9 ± 0.7a

18:1n-9

1.4 ± 0.6

1.6 ± 0.4

18:1n-7

2.6 ± 0.4

2.7 ± 0.3

20:1n-7

1.2 ± 0.4

0.9 ± 0.2a

20:1n-9

4.3 ± 0.9

3.6 ± 0.6a

20:1n-11

5.7 ± 1.0

5.6 ± 1.2

22:1n-9

4.3 ± 0.9

3.5 ± 0.5a

∑ monoenoic

21.6 ± 1.8

20.9 ± 1.0

18:2n-6

0.8 ± 0.4

1.2 ± 0.3a

18:3n-6

0.6 ± 0.1

0.6 ± 0.1

20:2n-6

2.0 ± 0.7

1.7 ± 0.3

20:3n-6

0.4 ± 0.1

0.5 ± 0.1

20:4n-6

10.8 ± 2.4

10.1 ± 1.3

22:4n-6

1.6 ± 0.3

1.5 ± 0.2

∑ PUFA n-6

16.2 ± 2.9

15.6 ± 1.5

18:3n-3

1.1 ± 0.4

1.6 ± 0.3a

18:4n-3

1.2 ± 0.6

1.8 ± 0.4a

20:3n-3

1.4 ± 0.4

1.4 ± 0.3

20:4n-3

0.4 ± 0.1

0.5 ± 0.1

20:5n-3

17.5 ± 3.2

16.5 ± 1.8

22:5n-3

0.7 ± 0.3

0.5 ± 0.1a

22:6n-3

1.0 ± 0.4

0.9 ± 0.3

∑ PUFA n-3

23.4 ± 3.0

23.1 ± 2.0

20:2 5,11 NMID

4.0 ± 1.2

4.2 ± 0.6

20:2 5,13 NMID

0.8 ± 0.2

0.9 ± 0.1

  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