Table 2 Lipid species significantly affected by nitrogen in new shoots (NS) of tea plant. T-test (P < 0.05; Foldchange >2 and <0.5) was applied to separate the significantly changed lipids. The content of each lipid species under the three nitrogen levels was shown as (Mean intensity ± SD, SD = 3)

3.31 ± 0.49

0.78 ± 1.11

0.68 ± 0.96

0.21

128.7 ± 9.97

99.3 ± 10.75

64.14 ± 6.15

0.50

1.16 ± 0.1

1.13 ± 0.81

2.85 ± 0.81

2.46

1.74 ± 0.09

1.55 ± 1.1

3.76 ± 1.01

2.16

54.85 ± 3.09

77.54 ± 3.2

119.07 ± 0.18

2.17

7.82 ± 1.39

16.76 ± 2.74

30.25 ± 4.18

3.87

0.31 ± 0.02

0.26 ± 0.18

0.78 ± 0.22

2.52

7.93 ± 0.31

6.91 ± 4.88

20.69 ± 6.1

2.61

1.67 ± 0.06

1.49 ± 1.05

4.33 ± 1.23

2.59

2.9 ± 0.33

4.9 ± 0.05

12.34 ± 0.72

4.26

3.38 ± 0.22

9.7 ± 0.57

6.92 ± 0.17

2.05

31.54 ± 2.29

47.27 ± 4

75.38 ± 10.13

2.39

26.87 ± 1.55

44.49 ± 3

74.97 ± 3.85

2.79

1.83 ± 0.13

3.27 ± 0.42

5.8 ± 0.47

3.17

1.02 ± 0.09

1.55 ± 0.07

2.96 ± 0.17

2.90

0.46 ± 0.04

0.63 ± 0.04

1.62 ± 0.21

3.52

1.32 ± 0.04

3.53 ± 0.19

2.12 ± 0.18

1.61

34.21 ± 1.43

58.45 ± 2.64

73.28 ± 4.25

2.14

200.08 ± 15.49

358.95 ± 8.85

644.61 ± 13.66

3.22

103.81 ± 10.36

199.37 ± 5.89

390.57 ± 18.38

3.76

1.27 ± 0.06

2.79 ± 0.22

5.26 ± 0.55

4.14

0.06 ± 0.01

0.13 ± 0.02

0.33 ± 0.03

5.5

86.96 ± 7.62

142.32 ± 11.12

213.97 ± 4.9

2.46

59.84 ± 2.19

128.82 ± 7.67

272.83 ± 14.08

4.56

14.22 ± 0.64

21.73 ± 1.21

30.87 ± 2.97

2.17

20.61 ± 1.37

33.82 ± 1.35

46.5 ± 4.54

2.26

10.41 ± 1.44

16.78 ± 1.85

21.86 ± 2.93

2.10

13.23 ± 1.1

21.77 ± 0.98

33.35 ± 2.06

2.52

6.14 ± 0.77

9.58 ± 0.52

15.1 ± 1.28

2.46

1.71 ± 0.17

2.78 ± 0.1

5.12 ± 0.34

2.99

2.72 ± 0.23

4.35 ± 0.19

6.85 ± 0.89

2.52

3.95 ± 0.12

6.15 ± 0.69

8.84 ± 0.54

2.24

2.23 ± 0.21

3.33 ± 0.05

4.91 ± 0.45

2.20

7.18 ± 0.51

11.29 ± 0.77

15.51 ± 0.83

2.16

4.53 ± 0.3

6.62 ± 0.42

9.29 ± 1.53

2.05

3.13 ± 0.13

4.61 ± 0.31

6.71 ± 0.35

2.14