Changes in Sediment Fatty Acid Composition during Passage through the Gut of Deposit Feeding Holothurians: Holothuria atra (Jaeger, 1883) and Holothuria leucospilota (Brandt, 1835)
Table 2
Fatty acid composition (µg g−1 dry weight) of ambient sediment, foregut, midgut, hindgut, and faecal pellets of Holothuria leucospilota.
Fatty acids
Ambient sediment
Foregut
Midgut
Hindgut
Faecal pellets
14:0
4.2 ± 0.6
29.7 ± 3.1
7.4 ± 2.0
4.7 ± 0.2
18.6 ± 11.0
14:1
—
0.6 ± 0.6
2.0 ± 2.0
—
—
15:0 iso
0.5 ± 0.1
5.6 ± 3.8
2.3 ± 1.2
0.7 ± 0.0
0.9 ± 0.5
15:0 anteiso
0.7 ± 0.1
3.3 ± 2.6
1.8 ± 1.0
0.7 ± 0.0
0.2 ± 0.1
15:0
0.5 ± 0.1
1.9 ± 1.7
2.8 ± 0.6
1.0 ± 0.0
1.7 ± 0.9
15:1
—
—
4.7 ± 1.9
—
2.1 ± 1.2
16:0 iso
—
4.2 ± 4.3
3.6 ± 3.6
1.4 ± 0.1
3.2 ± 1.8
16:0 anteiso
—
0.6 ± 0.5
—
0.2 ± 0.0
1.4 ± 0.8
16:0
34.8 ± 5.3
309.2 ± 178.0
94.4 ± 7.9
40.3 ± 1.7
151.6 ± 86.7
16:1ω9
6.3 ± 1.0
85.0 ± 30.9
27.7 ± 25.8
0.4 ± 0.0
1.4 ± 0.6
16:1ω7
0.3 ± 0.6
32.3 ± 29.8
11.9 ± 10.3
16.1 ± 0.7
0.4 ± 0.1
17:0 iso
0.1 ± 0.2
3.5 ± 0.4
7.8 ± 0.4
0.8 ± 0.0
0.6 ± 0.3
17:0 anteiso
0.0 ± 0.0
6.7 ± 6.2
2.8 ± 0.4
—
0.5 ± 0.3
17:0
0.3 ± 0.6
6.7 ± 6.4
7.8 ± 1.3
2.1 ± 0.1
1.3 ± 0.7
17:1
0.6 ± 1.0
1.7 ± 1.6
—
—
1.0 ± 0.6
18:0 iso
0.3 ± 0.5
0.2 ± 0.2
1.8 ± 1.0
—
1.5 ± 0.9
18:0 anteiso
0.1 ± 0.2
1.5 ± 1.4
—
—
0.3 ± 0.2
18:0
5.4 ± 4.0
69.4 ± 77.6
54.2 ± 9.3
8.9 ± 0.4
13.2 ± 7.4
18:1ω9
5.1 ± 4.1
32.6 ± 3.9
3.5 ± 1.8
1.0 ± 0.0
—
18:1ω7
1.7 ± 1.2
30.7 ± 21.0
1.4 ± 0.3
1.2 ± 0.0
—
18:2ω6
0.0 ± 0.0
11.7 ± 1.0
—
—
0.0 ± 0.0
18:3ω6
0.1 ± 0.1
9.5 ± 9.2
14.3 ± 3.0
—
—
18:3ω4
1.2 ± 1.1
11.1 ± 3.9
2.7 ± 0.9
7.9 ± 0.3
—
18:3ω3
0.5 ± 0.8
8.5 ± 1.5
1.8 ± 1.8
0.5 ± 0.0
—
18:4ω3
0.5 ± 0.9
36.8 ± 1.4
9.8 ± 9.8
2.5 ± 0.1
—
20:0
0.2 ± 0.4
19.8 ± 19.7
10.2 ± 5.7
2.8 ± 0.1
1.1 ± 0.5
20:1ω9
0.0 ± 0.0
15.6 ± 15.7
4.9 ± 4.9
—
—
20:1ω7
0.0 ± 0.0
3.0 ± 3.8
—
—
—
20:2
2.5 ± 2.0
3.8 ± 3.6
0.0 ± 0.0
—
—
21:0
0.0 ± 0.0
0.4 ± 0.4
6.9 ± 6.9
—
—
20:3ω6
0.0 ± 0.1
16.4 ± 11.8
5.6 ± 4.6
3.7 ± 0.2
—
20:4ω6
1.0 ± 1.7
24.1 ± 12.4
—
—
—
20:4ω3
0.0 ± 0.1
0.8 ± 0.7
—
—
—
20:5ω3
0.2 ± 0.4
44.1 ± 12.2
8.4 ± 8.4
—
—
22:0
0.2 ± 0.2
16.0 ± 17.8
6.6 ± 6.6
2.4 ± 0.1
1.3 ± 0.6
22:1ω9
0.0 ± 0.0
0.7 ± 0.6
0.4 ± 0.4
—
—
22:1ω7
0.1 ± 0.1
3.9 ± 4.1
0.7 ± 0.7
—
—
22:2
0.0 ± 0.0
0.2 ± 0.2
1.7 ± 1.7
—
0.3 ± 0.2
23:0
0.0 ± 0.0
2.4 ± 3.2
1.3 ± 1.3
—
—
22:4ω3
0.1 ± 0.1
6.3 ± 1.3
1.3 ± 1.3
—
—
22:5ω6
0.1 ± 0.1
—
1.3 ± 1.3
—
—
22:5ω3
0.1 ± 0.2
5.0 ± 1.5
1.1 ± 1.1
—
—
24:0
0.6 ± 1.0
3.1 ± 2.3
1.2 ± 1.2
0.2 ± 0.0
2.3 ± 1.3
22:6ω3
0.2 ± 0.0
15.1 ± 3.0
1.7 ± 1.7
—
—
24:1
0.2 ± 0.3
4.3 ± 5.5
1.7 ± 0.6
—
—
25:0
0.0 ± 0.1
—
0.4 ± 0.4
0.3 ± 0.0
2.5 ± 1.5
32:0
0.0 ± 0.0
—
1.5 ± 1.5
—
—
Values are means ± SD; ; — means not detected or traces.
