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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