Table 3 The changes of fatty acid components (nmol g−1 FW) after cold treatments in KY 131 and DN 422. Data are the means ± SD. Means denoted by the same letter do not differ signifificantly according to Tukey's test (p < 0.05)

FA 14:0

1.67 ± 0.20 a

1.32 ± 0.07 b

1.19 ± 0.11 b

1.41 ± 0.05 a

-20.73

18.69

FA 16:0

73.28 ± 6.19 a

53.90 ± 4.99 b

62.53 ± 5.90 b

83.45 ± 3.99 a

-26.45

33.46

FA 17:0

2.42 ± 0.25 a

1.94 ± 0.16 b

2.05 ± 0.19 b

2.60 ± 0.11 a

-19.77

27.24

FA 18:0

31.24 ± 1.66 a

24.10 ± 3.54 b

21.57 ± 3.24 b

29.22 ± 4.34 a

-22.85

35.45

FA 18:1

11.90 ± 0.89 a

7.09 ± 0.72 b

10.82 ± 1.19 a

10.71 ± 0.49 a

-40.42

-1.03

FA 18:2

28.20 ± 5.40 a

15.65 ± 0.69 b

19.41 ± 2.34 a

20.01 ± 1.00 a

-44.51

3.07

FA 18:3

209.34 ± 30.49 a

137.83 ± 5.04 b

105.54 ± 6.86 a

106.51 ± 5.67 a

-34.16

0.91

FA 19:1

0.27 ± 0.03 a

0.24 ± 0.01 a

0.23 ± 0.02 b

0.29 ± 0.01 a

-9.67

25.28

FA 20:0

4.05 ± 0.56 a

3.95 ± 0.15 a

3.34 ± 0.18 b

4.45 ± 0.27 a

-2.32

33.37

FA 20:1

0.46 ± 0.04 a

0.35 ± 0.03 b

0.39 ± 0.01 b

0.43 ± 0.02 a

-24.24

9.34

FA 20:2

0.37 ± 0.02 a

0.31 ± 0.04 a

0.36 ± 0.02 b

0.45 ± 0.01 a

-17.07

23.77

FA 22:0

2.90 ± 0.18 a

2.78 ± 0.22 a

2.84 ± 0.15 b

3.94 ± 0.06 a

-3.99

38.93

FA 22:1

0.07 ± 0.001 a

0.05 ± 0.01 b

0.07 ± 0.01 a

0.07 ± 0.03 a

-22.58

6.65

FA 22:2

0.01 ± 0.001 a

0.01 ± 0.001 a

0.01 ± 0.001 a

0.02 ± 0.002 a

-23.75

9.96

FA 23:0

2.05 ± 0.13 a

2.01 ± 0.16 a

1.84 ± 0.07 b

2.51 ± 0.10 a

-1.98

36.77

FA 24:0

9.62 ± 0.74 a

8.93 ± 0.97 ab

8.12 ± 0.15 b

10.60 ± 0.36 a

-7.17

30.63

TFA

377.85 ± 21.73 a

260.47 ± 9.87 b

240.30 ± 19.19 b

276.66 ± 2.19 a

-31.07

15.13

UFA

250.63 ± 29.54 a

161.53 ± 5.35 b

136.84 ± 10.43 a

138.47 ± 6.22 a

-35.55

1.19

SFA

127.22 ± 8.71 a

98.94 ± 8.56b

103.46 ± 8.75 b

138.19 ± 8.21 a

-22.23

33.57

UFA/SFA

1.97 ± 0.39 a

1.63 ± 0.14 a

1.32 ± 0.01 a

1.00 ± 0.10 b

-17.26

-24.24