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Table 1 Volatile compounds and some aroma-relative acid precursors in MeJA-treated tea leaves

From: Transcriptional responses and flavor volatiles biosynthesis in methyl jasmonate-treated tea leaves

  

Relative content(μg/g)a

Compounds

RT (min)

CK_12h

MJ_12h

Tb_12h

CK_24h

MJ_24h

T_24h

CK_48h

MJ_48h

T_48h

C6-C9

2-ethoxy-Butane

5.73

8.42 ± 0.59

10.43 ± 0.66

2.01 ± 0.39

5.69 ± 0.39

17.48 ± 1.72

11.79 ± 1.03

6.42 ± 0.4

10.17 ± 0.84

3.76 ± 0.18

Cyclohexane

6.02

0.95 ± 0.07

1.39 ± 0.09

0.44 ± 0.07

1.05 ± 0.07

4.18 ± 0.41

3.13 ± 0.27

0.62 ± 0.04

1.2 ± 0.1

0.58 ± 0.03

1-ethoxy-Butanec

6.11

0 ± 0

1.8 ± 0.11

1.8 ± 0.11

0 ± 0

3.5 ± 0.34

3.5 ± 0.31

0 ± 0

1.21 ± 0.1

1.21 ± 0.06

1-ethoxy-Pentanec

7.47

2.98 ± 0.21

4.84 ± 0.3

1.85 ± 0.16

2.4 ± 0.16

6.05 ± 0.59

3.65 ± 0.32

2.52 ± 0.16

2.51 ± 0.21

0 ± 0

Acetic acid, butyl ester

8.73

5.52 ± 0.33

6.11 ± 0.38

0.58 ± 0.24

3.42 ± 0.24

5.9 ± 0.58

2.48 ± 0.22

4.08 ± 0.25

3.62 ± 0.3

−0.47 ± 0.02

2,4-dimethyl-Heptane

9.02

1.61 ± 0.11

3.43 ± 0.22

1.82 ± 0.1

1.45 ± 0.1

2.52 ± 0.25

1.07 ± 0.09

1.59 ± 0.1

1.35 ± 0.11

−0.24 ± 0.01

2-Hexenalc

9.93

4.86 ± 0.34

9.62 ± 0.61

4.76 ± 0.21

3.01 ± 0.21

1.79 ± 0.18

−1.22 ± 0.11

1.11 ± 0.07

2.26 ± 0.19

1.15 ± 0.05

4-methyl-Octanec

10.27

9.67 ± 0.58

16.18 ± 1.02

6.52 ± 0.84

12.26 ± 0.84

11.06 ± 1.09

−1.2 ± 0.1

11.79 ± 0.73

8.79 ± 0.72

−3 ± 0.14

1-methoxy-3-methyl-Butane

11.07

0.92 ± 0.05

0.98 ± 0.06

0.06 ± 0.04

0.57 ± 0.04

0.94 ± 0.09

0.37 ± 0.03

0.63 ± 0.04

0.6 ± 0.05

−0.03 ± 0

(S)-2-Heptanolc

11.47

6.01 ± 0.42

10.54 ± 0.66

4.53 ± 0.62

9.06 ± 0.62

11.78 ± 1.16

2.71 ± 0.24

7.83 ± 0.48

6.82 ± 0.56

−1.01 ± 0.05

1-Octen-3-ol

14.27

1.18 ± 0.08

0.68 ± 0.04

−0.49 ± 0.05

0.7 ± 0.05

0.66 ± 0.06

−0.05 ± 0

0.08 ± 0

0.74 ± 0.06

0.66 ± 0.03

Decane

15.04

1.44 ± 0.1

1.87 ± 0.12

0.43 ± 0.17

2.51 ± 0.17

2.05 ± 0.2

−0.45 ± 0.04

1.64 ± 0.1

2.06 ± 0.17

0.43 ± 0.02

2-ethyl-1-Hexanol

16.06

22.16 ± 1.55

21.82 ± 1.37

−0.34 ± 1.3

18.9 ± 1.3

16.11 ± 1.58

−2.79 ± 0.24

17.51 ± 1.08

25.24 ± 2.07

7.72 ± 0.37

Nonanal

18.93

0.55 ± 0.04

0.58 ± 0.04

0.03 ± 0.03

0.43 ± 0.03

0.59 ± 0.06

0.17 ± 0.01

0.5 ± 0.03

0.4 ± 0.03

−0.1 ± 0

2-methyl-Decane

31.93

1.71 ± 0.12

1.72 ± 0.11

0.01 ± 0.06

0.93 ± 0.06

0.7 ± 0.07

−0.23 ± 0.02

1.18 ± 0.07

0.79 ± 0.06

−0.39 ± 0.02

C10-C30

(Z)-3-Hexen-1-ol, acetate

15.13

0.85 ± 0.06

1.89 ± 0.12

1.04 ± 0.17

2.47 ± 0.17

2.29 ± 0.23

−0.18 ± 0.02

2.5 ± 0.15

1.77 ± 0.15

−0.73 ± 0.03

Limonene

16.23

0.48 ± 0.02

0.45 ± 0.03

−0.03 ± 0.02

0.3 ± 0.02

0.44 ± 0.04

0.14 ± 0.01

0.33 ± 0.02

0.31 ± 0.03

−0.02 ± 0

Benzyl alcohol

16.41

7.46 ± 0.37

6.9 ± 0.43

−0.56 ± 0.33

4.85 ± 0.33

6.1 ± 0.6

1.25 ± 0.11

5.51 ± 0.34

5.86 ± 0.48

0.34 ± 0.02

3,7-dimethyl-1-Octene

17.86

0.87 ± 0.04

0.82 ± 0.05

−0.04 ± 0.04

0.52 ± 0.04

0.54 ± 0.05

0.02 ± 0

0.6 ± 0.04

0.57 ± 0.05

−0.03 ± 0

Linaloolc

18.73

6.77 ± 0.43

8.68 ± 0.43

1.91 ± 0.42

6.13 ± 0.42

7.98 ± 0.59

1.65 ± 0.01

6.28 ± 0.39

6.39 ± 0.52

0.11 ± 0.01

Phenylacetaldehydec

18.68

0.89 ± 0.06

1.19 ± 0.07

0.3 ± 0.08

1.24 ± 0.08

0.38 ± 0.04

−0.86 ± 0.07

1.02 ± 0.06

0.56 ± 0.05

−0.45 ± 0.02

Phenylethyl Alcoholc

19.33

25.2 ± 1.76

34.45 ± 2.17

9.25 ± 1.88

22.38 ± 1.88

27.49 ± 2.66

5.09 ± 0.03

32.12 ± 1.99

27.33 ± 2.24

−4.79 ± 0.23

Methyl salicylatec

22.33

5.78 ± 0.05

6.69 ± 0.47

0.91 ± 0.8

5.6 ± 0.8

11.06 ± 1.09

5.54 ± 0.05

5.14 ± 0.32

12.34 ± 1.01

7.19 ± 0.34

2,3-dihydro-Benzofuran

22.86

5.15 ± 0.46

8.01 ± 0.5

2.87 ± 0.53

7.76 ± 0.53

7.34 ± 0.72

−0.42 ± 0.04

6.97 ± 0.43

8.54 ± 0.7

1.57 ± 0.08

Benzothiazole

23.67

1.38 ± 0.12

0.83 ± 0.05

−0.55 ± 0.03

0.43 ± 0.03

2.3 ± 0.23

1.87 ± 0.16

0.95 ± 0.06

0.47 ± 0.04

−0.48 ± 0.02

Geraniolc

24.24

10.48 ± 0.66

13.11 ± 1.18

2.63 ± 0.84

10.23 ± 0.84

14.63 ± 1.44

4.4 ± 0.21

11.05 ± 0.68

10.04 ± 0.82

−1.02 ± 0.05

Indolec

25.83

0.93 ± 0.08

4.22 ± 0.27

3.28 ± 0.03

0.49 ± 0.03

2.24 ± 0.22

1.75 ± 0.15

0.64 ± 0.04

0.43 ± 0.04

−0.21 ± 0.01

Coumarinc

30.73

1.65 ± 0.12

3.41 ± 0.21

1.76 ± 0.13

1.87 ± 0.13

4.21 ± 0.41

2.34 ± 0.2

1.9 ± 0.12

2.31 ± 0.19

0.41 ± 0.02

Methyl jasmonatec

41.68

2.79 ± 0.11

8.21 ± 0.01

5.57 ± 0.12

1.73 ± 0.12

5.63 ± 0.06

3.9 ± 0.1

1.92 ± 0.12

1.91 ± 0.16

−0.01 ± 0

Hexadecanoic acid, butyl esterc

49.74

5.64 ± 0.4

6.27 ± 0.4

0.63 ± 0.44

6.46 ± 0.44

23.7 ± 2.33

17.24 ± 1.5

6.15 ± 1.74

6.09 ± 0.5

−0.09 ± 0.06

Heptadecyl acetate

50.21

0.87 ± 0.06

0.4 ± 0.02

−0.48 ± 0.04

0.54 ± 0.04

1.56 ± 0.15

1.02 ± 0.09

1.92 ± 0.12

0.57 ± 0.05

−1.35 ± 0.06

(Z)-9-Octadecenamide

53.32

2.41 ± 0.17

2.07 ± 0.13

−0.34 ± 0.25

3.61 ± 0.25

1.75 ± 0.17

−1.86 ± 0.16

3.31 ± 0.2

2.52 ± 0.21

−0.79 ± 0.04

Octadecanoic acid, 2-methylpropyl ester

53.86

3.37 ± 0.24

3.21 ± 0.2

−0.15 ± 0.27

3.96 ± 0.27

13.2 ± 1.3

9.25 ± 0.81

3.62 ± 1.09

3.33 ± 0.27

−0.28 ± 0.08

Dodecanamide

53.87

1.26 ± 0.15

0.58 ± 0.04

−0.67 ± 0.05

0.78 ± 0.05

0.48 ± 0.05

−0.3 ± 0.03

0.85 ± 0.05

0.56 ± 0.05

−0.29 ± 0.01

Others

Salicylic acidc

25.46

8.09 ± 0.73

2.39 ± 0.15

−5.7 ± 0.53

7.74 ± 0.53

7.03 ± 0.69

−0.71 ± 0.06

5.07 ± 0.31

8.71 ± 0.72

3.64 ± 0.17

Geranic acid

27.41

0.82 ± 0.07

0.61 ± 0.04

−0.21 ± 0.07

1.03 ± 0.07

1.78 ± 0.18

0.75 ± 0.07

0.98 ± 0.06

0.92 ± 0.08

−0.06 ± 0

Jasmonic acidc

15.46

3.49 ± 0.24

29.75 ± 0.15

26.26 ± 0.15

3.16 ± 0.15

16.5 ± 0.44

13.34 ± 0.2

2.4 ± 0.15

2.18 ± 0.18

−0.23 ± 0.01

trans-Cinnamic acidc

29.87

1.38 ± 0.1

1.15 ± 0.07

−0.23 ± 0.11

1.56 ± 0.11

3.39 ± 0.33

1.83 ± 0.16

1.62 ± 0.1

1.96 ± 0.16

0.34 ± 0.02

4-hydroxy-Benzoic acidc

32.13

2.12 ± 0.15

0.53 ± 0.03

−1.59 ± 0.13

1.95 ± 0.13

1.56 ± 0.15

−0.38 ± 0.03

2.67 ± 0.17

2.23 ± 0.18

−0.45 ± 0.02

Homovanillic acidc

36.62

1.33 ± 0.09

2.16 ± 0.14

0.84 ± 0.08

1.21 ± 0.08

8.44 ± 0.83

7.23 ± 0.63

1.45 ± 0.09

0.97 ± 0.08

−0.47 ± 0.02

trans p-Coumaric acidc

38.41

1.27 ± 0.09

0.4 ± 0.03

−0.86 ± 0.08

1.18 ± 0.08

1.19 ± 0.12

0 ± 0

0.87 ± 0.05

0.9 ± 0.07

0.02 ± 0

n-Hexadecanoic acid

44.53

4.67 ± 0.19

3.35 ± 0.21

−1.32 ± 0.25

3.59 ± 0.25

3.26 ± 0.32

−0.33 ± 0.03

5.73 ± 0.35

4.09 ± 0.34

−1.63 ± 0.08

(Z,Z)-9,12-Octadecadienoic acid

48.47

1.62 ± 0.06

1.1 ± 0.07

−0.52 ± 0.08

1.1 ± 0.08

1.74 ± 0.17

0.64 ± 0.06

1.76 ± 0.23

1.38 ± 0.11

−0.38 ± 0.01

(Z,Z,Z)-9,12,15-Octadecatrienoic acidc

48.63

1.22 ± 0.05

0.03 ± 0

−1.19 ± 0.05

0.75 ± 0.05

0.09 ± 0.01

−0.67 ± 0.06

0.84 ± 0.05

0.98 ± 0.08

0.14 ± 0.01

Octadecanoic acidc

49.13

2.24 ± 0.09

1.06 ± 0.07

−1.18 ± 0.09

2.31 ± 0.09

1.53 ± 0.15

−1.22 ± 0.02

2.4 ± 0.15

1.34 ± 0.11

−1.06 ± 0.05

  1. a Relative content (μg/g) represents volatile compounds content in every gram of fresh tea leaves. b represents content of the compounds in MeJA_12h minus content of the compounds in CK_12h, also means the differences between MeJA_12h and CK_12h; represents content of the compounds in MeJA_24h minus content of the compounds in CK_24h, also means the differences between MeJA_24h and CK_24h; represents content of the compounds in MeJA_48h minus content of the compounds in CK_48h, also means the differences between MeJA_48h and CK_48h. crepresents the most important and affected volatile compounds after methyl jasmonate treatment