Table 2 Compounds identified in the THF BC extract with positive electrospray ionization (ESI +) MS analysis

1

8.05

Methyl 6-O-galloyl-β-D-glucopyranoside

C₁₄H₁₈O₁₀

345

0.57

2

9.27

Gentisic acid

C7H6O4

153

0.87

3

9.88

Ent-epicatechin-(2α- > 7,4α- > 8)-epicatechin 3-galactoside

C36H34O17

737

0.31

4

10.22

Hydroxyphenylethyl galloylrhamnoside

C21H24O10

471

1.09

5

10.31

ent-Epicatechin(4α- > 8)catechin

C30H26O12

577

1.08

6

10.50

Ent-epicatechin-(2α- > 7,4α- > 8)-epicatechin 3-galactoside

C36H34O17

737

0.41

7

10.65

Ent-epicatechin-(2α- > 7,4α- > 8)-epicatechin 3-galactoside

C36H34O17

737

0.30

8

11.02

3-O-β-D-Galactopyranosylproanthocyanidin A5'

C36H34O17

737

1.47

9

11.32

3-O-β-D-Galactopyranosylproanthocyanidin A5'

C36H34O17

737

1.19

10

11.71

3-O-β-D-Galactopyranosylproanthocyanidin A5'

C36H34O17

737

1.47

11

11.92

3,5,7-trihydroxychromone-3-α-L-rhamnopyranoside

C15H16O9

339

2.72

12

12.76

3,5,7,3',5'- pentahydroxyflavanonol-3-O-α-L-rhamnopyranoside

C21H22O11

449

4.77

13

12.98

Astilbin

C21H22O11

449

10.49

14

13.34

Neoastilbin

C21H22O11

449

14.10

15

13.50

Quercetin 3-rhamnoside

C21H20O11

447

14.10

16

13.85

5,7,3′,5′-Tetrahydroxyflavanone

C15H12O7

303

5.35

17

14.44

Eriodictin

C21H22O10

433

4.60

18

14.94

Cordeauxione

C14H12O7

291

2.41

19

15.54

Fustin

C15H12O6

287

1.87

20

16.85

Fisetin

C15H12O5

285

6.05

21

18.39

4,2',3',4'-Tetrahydroxychalcone

C15H12O5

271

1.04

22

18.64

Genistein

C15H10O5

269

1.57

23

19.07

5-Caffeoylshikimic acid

C16H16O8

335

2.31

24

19.52

Neobavachalcone

C17H14O5

297

1.84

25

19.723

4-coumaroylshikimate

C16H16O7

319

1.84

26

20.052

7,2',4'-Trihydroxyisoflavene

C15H12O4

255

0.66

27

20.273

5,8,12-trihydroxy-9-octadecenoic acid

C18H34O5

329

0.54

28

20.953

Kaempferol

C15H10O6

285

1.60

29

21.32

9,10,18-trihydroxy-12-octadecenoic acid

C18H34O5

329

3.00

30

21.732

Flavokawin B

C17H16O4

283

0.44

31

21.757

4,4'-Dihydroxy-2',6'-dimethoxychalcone

C17H16O5

299

0.92

32

24.131

2,4'-Dihydroxy-4-methoxydihydrochalcone

C16H16O4

271

0.98

33

24.485

Isoliquiritigenin 2'-methy ether

C16H14O4

269

0.56

34

26.176

β,2-Dihydroxy-4,6-dimethoxy-3-methylchalcone

C18H18O5

313

1.58

35

27.007

Dihydroxystearic acid

C18H36O4

315

1.07

36

27.869

Gingerglycolipid C

C33H60O14

715

0.47