Table 2 Double-bond index (DBI) of membrane lipids after cold treatments in KY 131 and DN 422. DBI = (Ʃ [N × mol % lipid])/100. Data are the means ± SD. Means denoted by the same letter do not differ signifificantly according to Tukey's test (p < 0.05)

MGDG

289.28±13.78b

386.3±11.51a

358.19±30.8a

298.79±14.82b

33.54

-16.58

DGDG

115.62±13b

150.36±6.82a

134.22±12.54b

147.78±1.47a

30.05

10.1

SQDG

49.32±5.57a

41.18±3.19a

49.1±1.09a

45.8±1.44b

-16.5

-6.72

PA

2.26±0.24a

1.8±0.2b

1.75±0.07b

1.97±0.17a

-20.35

12.57

PC

8.74±0.87b

14.04±0.94a

10.55±1.1a

9.96±0.53a

60.64

-5.59

PE

16.45±1.25b

21.86±1.52a

17.33±1.1a

15.88±0.82a

32.89

-8.37

PG

34.03±3.28b

38.18±0.3a

34.32±2.32a

35.66±0.92a

12.2

3.9

PI

5.45±1a

5.66±0.65a

3.85±0.41a

4.2±0.33a

3.85

9.09

PMeOH

0.55±0.02a

0.55±0.03a

0.65±0.02a

0.64±0.04a

0

-1.54

LPE

0.24±0.03a

0.29±0.02a

0.48±0.05b

0.64±0.05a

20.83

33.33

LPC

0.27±0.02a

0.23±0.02a

0.37±0.04a

0.33±0.01a

-14.81

-10.81

DG

35.67±0.81b

58.63±5.45a

48.16±4.44b

84.13±2.05a

64.37

74.69

TG

10.31±0.31a

5.12±0.39b

5.33±0.52b

8.24±0.15a

-50.34

54.6

FA

6.98±0.9a

4.53±0.15b

3.68±0.27a

3.72±0.19a

-35.1

1.09

Total

575.17±20.72b

728.72±18.79a

667.97±35.63a

657.74±13.14a

26.7

-1.53