Table 1 LC-HRMS for identified compounds obtained for from X. caffra seeds extract.

From: In vitro anti-inflammatory potential and in vivo anti-arthritis activities of Ximenia caffra extract on antigen-induced arthritis in rats

No.

Retention time (min)

MSE fragmentsa

m/zb

Compound name

Chemical Formula

Concentration (mg 100 ml− 1)

1

3.12

191,111,87,173

191.0187

Citric acid

C6H7O7

295.2

2

5.8

125,169,111

169.0129

Gallic acid

C7H5O5

5.56

3

9.14

111

173.0089

Aconitic acid

C6H5O6

N/Ac

4

10.68

289,407,425,577

577.1344

Procyanidin

C30H25O12

N/Ac

5

10.68

289,407,425,577

577.1317

Procyanidin B1

C30H25O12

12.2

6

11.18

163,119,191,337

337.0916

p-Coumaorylquinic acid

C16H17O8

N/Ac

7

11.48

289,125,203,245,151

289.0713

Catechin

C15H13O6

2.66

8

12.72

289,407,425,577

577.1345

Procyanidin B2

C30H25O12

0.25

9

13.57

Weak

289.0698

Epicatechin

C15H13O6

N/Ac

10

16.63

300,615,463,255,169

615.0979

Quercetin galloyl glucoside

C28H23O16

N/Ac

11

16.94

300,463,615

615.0977

Quercetin galloyl glucoside

C28H23O16

N/Ac

12

17.06

300,609,271,125

609.1432

Quercetin-3-O-robinobioside

C27H29O16

0.12

13

17.27

300,609,271,255

609.1458

Rutin

C27H29O16

0.37

14

17.51

300,463,271,255

463.0878

Hyperoside

C21H19O12

0.96

15

17.51

300,463,271,301,255

463.0876

Isoquercitrin

C21H19O12

1.09

16

17.81

300,271,463,255,125

463.0886

Quercetin-3-O-glucoside

C21H19O12

0.11

17

18.06

285,169,447

447.0938

Kaemferol glucoside

C21H19O11

0.60

18

18.06

285,284,169,125,447

447.0935

Luteolin-7-O-glucoside

C21H19O11

0.02

19

18.75

315,345

435.1284

Trilobatin

C21H23O10

0.07

20

18.83

300,271,255,433,315

433.0764

Quercetin-3-O-pentoside

C20H17O11

N/Ac

21

18.89

300,271,255,447

447.0927

Quercetin rhamnoside

C21H19O11

N/Ac

22

19.63

300,271,255,447,243

447.0927

Quercetin rhamnoside

C21H19O11

N/Ac

23

23.99

125,169

301.0353

Quercitin

C15H9O7

0.02

24

24.49

Weak

301.1643

Hesperetin

C15H25O6

N/Ac

25

24.5

287

287.2236

Dihydroxy hexadecanoic acid

C16H31O4

N/Ac

  1. aMost common fragment stated first.
  2. bThe mass accuracy for all compounds was better than 5 ppm.
  3. c Concentrations of Epicatechin, Hesperetin and all identified from 17 to 25 compounds could not be determined.