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Table 3 Concentrations of volatile compound in jujube extract obtained by the S3DE method and the SDE method

From: Steam distillation/drop-by-drop extraction with gas chromatography–mass spectrometry for fast determination of volatile components in jujube (Ziziphus jujuba Mill.) extract

Name

Concentration (μg/g)

S3DE method

SDE method

Value

Repeatability (RSD, %)

Value

Repeatability (RSD, %)

3-Methyl-1-Butanol

32.70

4.72

28.92

5.11

1-Hexanol

0.98

6.18

0.68

3.07

Ethyl caprate

2.01

5.11

1.67

2.25

Menthol

2.27

5.79

1.91

4.96

Ethyl phenylacetate

2.38

6.13

2.08

5.17

Ethyl laurate

16.3

4.83

16.3

4.13

Ethyl 3-phenylpropionate

0.98

5.91

0.81

2.39

Phenylethyl alcohol

5.10

4.25

4.59

4.23

Heptanoic acid

2.31

10.35

2.36

6.41

Ethyl myristate

9.99

4.81

10.37

3.17

Octanoic acid

3.86

6.87

3.66

5.68

Ethyl hexadecanoate

21.40

4.64

19.09

4.19

Decanoic acid

15.87

5.54

16.96

5.73

Dodecanoic acid

109.62

4.17

113.52

4.36

Ethyl oleate

4.64

6.24

5.77

5.27

Ethyl linoleate

2.35

6.31

1.75

6.48