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Table 2 Calibration curves of 18 target analytes

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

Calibration curves

R2

LOD (μg/g)

Recovery

Value (%)

RSD(%)

3-Methyl-1-butanol

Y = 0.0089X + 0.8730

0.9987

3.16

91.33

10.10

1-Hexanol

Y = 0.0039X + 0.01150

0.9931

0.15

95.62

9.81

Furfural

Y = 0.0062X + 0.0463

0.7099

0.97

74.19

27.44

Ethyl caprate

Y = 0.0066X + 0.0398

0.9990

1.02

103.68

8.24

Menthol

Y = 0.0035X + 0.0239

0.9939

0.61

97.38

8.35

2-Furanmethanol

Y = 0.0016X + 0.0104

0.8042

1.16

79.22

19.03

Ethyl phenylacetate

Y = 0.0300X + 0.2147

0.9991

0.11

96.33

5.41

Ethyl laurate

Y = 0.0085X + 0.4157

0.9962

1.86

99.21

5.87

Ethyl 3-phenylpropionate

Y = 0.0168X + 0.0494

0.9992

0.41

98.45

8.25

Phenylethyl alcohol

Y = 0.0075X + 0.1132

0.9993

1.03

97.61

6.15

Heptanoic acid

Y = 0.0029X + 0.0201

0.9887

1.15

87.06

11.06

Ethyl myristate

Y = 0.0218X + 0.6532

0.9971

2.67

97.99

3.52

Octanoic acid

Y = 0.0024X + 0.0278

0.9895

1.65

90.16

9.17

Ethyl hexadecanoate

Y = 0.0143X + 0.9181

0.9979

3.41

100.04

5.28

Decanoic acid

Y = 0.0096X + 0.4570

0.9894

3.94

93.54

8.66

Dodecanoic acid

Y = 0.0913X + 30.027

0.9981

4.15

95.59

7.94

Ethyl oleate

Y = 0.0028X + 0.0390

0.9990

0.84

94.80

8.36

Ethyl linoleate

Y = 0.0026X + 0.0183

0.9980

0.75

92.34

10.95