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Table 3 Identify of the compounds of LFG by UPLC- Q-TOF/MS analysis in negative ion mode

From: A network pharmacology-based approach to explore the active ingredients and molecular mechanism of Lei-gong-gen formula granule on a spontaneously hypertensive rat model

NO.

R-T

m/z

MS/MS

Elemental composition

Ion form

ppm

Compounds

1

3.73

173.0458

93.0354

C7H10O5

[M-H]−

− 1.3

Shikimic acid

2

3.90

124.0394

78.0334/80.0490

C6H5NO2

[M-H]+

− 0.7

Nicotinic acid

3

18.59

137.0244

93.0354

C7H6O3

[M-H]−

0.2

p-Hydroxybenzoic acid

4

19.72

353.0882

191.0565

C16H18O9

[M-H]−

−  1.0

Chlorogenic acid

5

21.78

353.0881

191.0563/173.0456

C16H18O9

[M-H]−

− 0.9

4-Dicaffeoylquinic acid

6

28.69

515.1196

191.0563/179.0351

C25H24O12

[M-H]−

− 0.1

Isochlorogenic acid C

7

35.37

193.0509

106.0438/134.0376

C10H10O4

[M-H]−

− 1.4

Ferulic acid

8

36.84

449.1089

151.0036/285.0405

C21H22O11

[M-H]−

0.1

Neoastilbin

9

38.09

449.1099

151.0040/285.0413

C21H22O11

[M-H]−

− 2.3

Astilbin

10

40.67

449.1095

151.0037/285.0410

C21H22O11

[M-H]−

− 1.3

Neoisoastilbin

11

41.50

449.1094

151.0037/285.0408

C21H22O11

[M-H]−

− 0.9

Isoastilbin

12

43.45

433.1147

180.0068/269.0463

C21H22O10

[M-H]−

− 1.6

Engeletin

13

47.33

433.1137

180.0059/269.0448

C21H22O10

[M-H]−

− 0.4

Isoengelitin

14

49.31

137.0245

93.0354

C7H6O3

[M-H]−

− 0.5

Salicylic acid

15

55.45

285.0409

133.0297/151.0033

C15H10O6

[M-H]−

− 1.7

Luteolin

16

56.15

313.0368

298.0126

C16H10O7

[M-H]−

− 4.4

Wedelolactone

17

59.00

503.3381

389.2861/437.3066

C30H48O6

[M-H]−

− 0.6

Madecassic-acid

18

60.20

487.3431

379.3034/409.3156

C30H48O5

[M-H]−

− 0.4

Asiatic acid