Table 6 Fatty acid composition of experimental and control diets (mg 100 g−1 of dry weight).

From: Effect of Lemna minor supplemented diets on growth, digestive physiology and expression of fatty acids biosynthesis genes of Cyprinus carpio

Fatty acids

LM0

LM5

LM10

LM15

LM20

Polynomial contrasts

Linear

Quadratic

Saturated fatty acids (SFA)

14:0

10.44 ± 0.07a

9.55 ± 0.06a

8.82 ± 0.04a

10.35 ± 0.20a

10.88 ± 2.00a

0.361

0.034

15:0

5.20 ± 0.01a

4.59 ± 0.17b

2.55 ± 0.01c

0.81 ± 0.01d

0.04 ± 0.00e

 < 0.001

0.981

16:0

581.01 ± 8.96a

531.63 ± 8.38b

531.73 ± 1.54b

535.31 ± 4.55b

538.91 ± 8.96b

0.002

 < 0.001

18:0

70.09 ± 0.99a

64.13 ± 0.93b

56.09 ± 0.27c

66.21 ± 1.04b

40.68 ± 0.51d

 < 0.001

 < 0.001

20:0

3.26 ± 0.36a

2.98 ± 0.33a

2.44 ± 0.08ab

3.12 ± 0.56a

1.85 ± 0.25b

0.005

0.414

22:0

0.69 ± 0.01b

0.75 ± 0.01b

0.14 ± 0.00d

0.31 ± 0.07c

0.90 ± 0.10a

0.814

 < 0.001

24:0

15.72 ± 2.77a

16.77 ± 0.14a

9.00 ± 0.46b

8.29 ± 0.83b

17.25 ± 2.76a

0.250

0.001

Total SFA

686.41 ± 6.73a

630.40 ± 8.97b

610.77 ± 3.09b

624.40 ± 3.65b

610.51 ± 8.36b

 < 0.001

 < 0.001

Monounsaturated fatty acids (MUFA)

18:1n-9

1460.56 ± 3.81a

1336.44 ± 3.95b

1163.59 ± 6.70c

1163.69 ± 2.02c

1059.34 ± 2.20d

 < 0.001

 < 0.001

20:1n-9

7.86 ± 1.24b

8.19 ± 0.13a

4.09 ± 0.28c

3.46 ± 0.33c

3.07 ± 0.26c

 < 0.001

0.369

Total MUFA

1468.42 ± 2.57a

1344.63 ± 3.81b

1167.68 ± 6.43c

1167.15 ± 1.69c

1062.41 ± 2.63d

 < 0.001

 < 0.001

Polyunsaturated fatty acids (PUFA)

18:2n-6 (LOA)

3197.60 ± 22.99a

2925.76 ± 21.95b

2862.71 ± 6.24b

2769.39 ± 16.46c

2600.36 ± 22.03d

 < 0.001

0.008

20:2n-6

1.09 ± 0.02cd

1.92 ± 0.04b

1.38 ± 0.10c

0.92 ± 0.12d

3.41 ± 0.21a

 < 0.001

 < 0.001

18:3n-3 (ALA)

10.98 ± 1.45e

51.10 ± 1.89d

81.29 ± 1.35c

115.44 ± 0.02b

153.10 ± 0.26a

 < 0.001

0.741

Total PUFA

3209.67 ± 23.42a

2978.78 ± 22.80b

2945.38 ± 6.50bc

2885.75 ± 16.46c

2756.87 ± 21.82d

 < 0.001

0.006

n-6/n-3

291.32 ± 11.23a

57.29 ± 2.55b

35.23 ± 0.51c

23.997 ± 0.21d

17.01 ± 0.11e

 < 0.001

 < 0.001

  1. LM0 = Control, soybean; LM5 = 5% L. minor; LM10 = 10% L. minor; LM15 = 15% L. minor; LM20 = 20% L. minor.