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Table 1 Identifications of Zhishi volatiles and their relative total ion current peak area from four different species

From: Study on essential oils from four species of Zhishi with gas chromatography–mass spectrometry

No.

Name

RI

CA-1 ~ CA-35

CJ-1 ~ CJ-15

CS-1 ~ CS-21

PT-1 ~ PT-4

Relative concentration

Mean

Relative concentration

Mean

Relative concentration

Mean

Relative concentration

Mean

1

α-Thujene

943

0-1.15%

0.40%

0.35-1.71%

1.12%

0-0.09%

0.03%

\

\

2

α-Pinene

948

0.28-2.97%

1.25%

0.88-3.97%

2.61%

0.25-0.75%

0.50%

0-1.52%

0.58%

3

(+)-Sabinene

979

0.1-8.26%

1.77%

0-2.21%

0.54%

3.61-12.82%

7.72%

0.55-2.54%

1.35%

4

β-Pinene

982

0.4-17.01%

2.59%

1.64-3.96%

2.80%

0.35-1.01%

0.62%

0-3.46%

1.83%

5

β-Myrcene

992

0-2.72%

1.05%

0.55-1.55

0.94%

0-1.51%

1.14%

8.60-28.91%

18.29%

6

α-Phellandrene

1004

0-0.42%

0.05%

0.04-0.37%

0.09%

0-0.05%

0.02%

0.84-9.00%

4.74%

7

(+)-4-Carene

1015

0-0.88%

0.33%

0.54-1.23%

0.88%

0.08-0.35%

0.17%

0-0.18

0.09%

8

o-Cymene

1022

0-5.86%

0.63%

0.38-4.96%

1.51%

0-0.22%

0.03%

0-0.23%

0.11%

9

Limonene

1026

27-82.84%

63.47%

35.53-60.60%

46.47%

72.75-89.35%

82.25%

21.19-69.19%

48.14%

10

β-trans-Ocimene

1033

0-0.66%

0.06%

0-0.57%

0.06%

0-1.09%

0.15%

0-0.57%

0.15%

11

β-cis-Ocimene

1042

0-9.99%

2.21%

0-0.89%

0.38%

0-1.02%

0.31%

1.46-4.96%

2.60%

12

γ-Terpinene

1052

0.25-32.31%

12.01%

21.71-46.74%

34.16%

0.31-2.63%

0.91%

0-0.73%

0.40%

13

cis-β-Terpineol

1060

0-0.52%

0.06%

0-0.13%

0.05%

0-0.29%

0.12%

\

\

14

p-Mentha-1,4(8)-diene

1081

0.07-1.79%

0.66%

0.95-2.33%

1.63%

0-0.15%

0.08%

0-0.12%

0.05%

15

β-Linalool

1089

0-26.15%

9.10%

0.73-7,95%

3.53%

1.34-9.21%

4.13%

0.37-1.18%

0.66%

16

trans-1-methyl-4-(1-methylethyl)-2-Cyclohexen-1-ol

1112

0-1.1%

0.04%

\

\

0-0.05%

\

0-0.21%

0.07%

17

cis-1-methyl-4-(1-methylethyl)-2-Cyclohexen-1-ol

1129

0-0.07%

\

\

\

\

\

0-0.12%

0.03%

18

β-Citronellal

1141

0-0.2%

0.04%

0-0.05%

0.01%

0-0.06%

0.02%

\

\

19

(−)-Terpinen-4-ol

1164

0-3.23%

0.61%

0.21-1.02%

0.48%

0.33-2.17%

0.73%

0-2.42%

0.88%

20

α-Terpieol

1176

0-1.93%

0.60%

0.30-0.85%

0.60%

0.08-0.63%

0.30%

0-2.10%

0.75%

21

cis-Carveol

1202

0-.095%

0.03%

\

\

\

\

\

\

22

β-Citronellol

1210

0-0.48%

0.06%

0-0.04%

\

0-0.03%

\

0-0.30%

0.08%

23

β-Citral

1224

0-0.72%

0.06%

0-0.04%

\

0-0.21%

0.11%

\

\

24

trans-Geraniol

1236

0-1.16%

0.05%

\

\

0-0.20%

0.02%

\

\

25

α-Citral

1251

0-0.35%

0.04%

0-0.03%

0.01%

0-0.24%

0.12%

\

\

26

p-Cymen-2-ol

1269

0-1.29%

0.11%

0-1.23%

0.55%

\

\

\

\

 

Monoterpenes (Total)

 

84.67-99.61%

96.88%

89.31-99.81%

98.42%

85.30-100%

99.48%

52.17-96.06%

80.80%

27

n-Octanal

1002

0-0.87%

0.33%

0-0.27%

0.08%

0-0.22%

0.09%

\

\

28

n-Decanal

1191

0-0.52%

0.06%

0-0.07%

0.01%

0-0.13%

0.02%

\

\

 

Aliphatic Aldehydes (Total)

 

0-1.39%

0.39%

0-0.38%

0.09%

0-0.35%

0.11%

\

\

29

1-Octanol

1064

0-0.21%

0.02%

\

\

0-0.04%

\

0-0.03%

0.01%

30

α-Methyl-α-[4-methyl-3-pentenyl]oxiranemethanol

1065

0.04-1.26%

0.35%

0-0.38%

0.11%

\

\

\

\

 

Aliphatic Alcohols (Total)

 

0.04-1.26%

0.37%

0-0.38%

0.11%

0-0.04%

\

0-0.03%

0.01%

31

Nerol acetate

1334

0-0.17%

0.03%

\

\

\

\

0-0.55%

0.14%

 

Esters (Total)

 

0-0.17%

0.03%

\

\

\

\

0-0.55

0.14%

32

β-Elemene

1362

0-0.21%

0.01%

\

\

\

\

0-0.96%

0.27%

33

Caryophyllene

1387

\

\

\

\

\

\

0-14.7%

5.32%

34

β-Farnesene

1418

\

\

0-0.15%

0.03%

0-0.14%

0.01%

0.22-8.94%

2.80%

35

Germacrene D

1442

0-0.99%

0.26%

0-0.55%

0.15%

\

\

0.49-4.75%

1.83%

36

4-isopropylidene-1-vinyl-o-Menth-8-ene

1452

0-0.08%

0.01%

0-0.05%

0.01%

\

\

0-0.25%

0.08%

37

(Z,E)-α-Farnesene

1462

0-0.05%

\

0-0.08%

0.01%

0-0.03%

\

0-1.31%

0.33%

38

γ-Elemene

1493

0-0.19%

0.01%

\

\

\

\

0.37-10.60%

3.81%

39

α-Sinensal

1567

\

\

\

\

0.01-0.25%

0.01%

\

\

 

Sesquiterpenes (Total)

 

0-1.32%

0.29%

0-0.75%

0.20%

0-0.71%

0.01%

3.8-34.28%

14.44%

  1. Listed values are the percentage of the total peak area for each species. '\' Not detectable. The detailed data of the 75 samples from the four species is listed in the Additional file 1.