Skip to main content

Table 1 HPLC–ESI–MSn data of identified flavonoids and saponins in adzuki bean

From: Characterization and quantification of flavonoids and saponins in adzuki bean (Vigna angularis L.) by HPLC–DAD–ESI–MSn analysis

Peak no.

Retention time (min)

–MS [M−H] (m/z)

Daughter ion of MS2 (m/z)

Daughter ion of MS3 (m/z)

Identity

1

7.5

451

289

 

(+) Catechin-7-O-β-d-glucopyranoside

2

11.3

289

  

(+) Catechin

3

24.1

613

451

289

(+) Epicatechin-7-O-β-d-glucopyranoside-glucoside

4

25.7

451

289

 

(+) Epicatechin-7-O-β-d-glucopyranoside

5

27.9

625

493

463

463, 301

301

Quercetin-3-glucoside–glucoside

6

30.1

739

593

431

431, 413

Vitexin-4″-O-glucoside-rhamnose

7

37.5

609

463

301

Quercetin-3-O-rutinoside

8

39.6

463

301

 

Quercetin-3-O-glucoside

9

40.5

593

431

413

Vitexin-4″-O-glucoside

10

57.7

971

809

647

629

485

647, 485

485

Azukisaponin IV

11

60.4

1133

809

629

471

629, 471

Azukisaponin VI

12

63.2

941

795

633

457

633, 615, 457

615, 457

Azukisaponin V

13

64.9

795

633

457

615, 457

Azukisaponin II

14

66.4

779

617

599

441

599, 441

Azukisaponin I

15

67.7

809

647

471

471

Azukisaponin III