Peak

m/z

Identification

Ionic Distribution

1

181.25

As a compound resulted from the degradation of monomer component (catechin/epicathecin)

m/z 207→181

2

291.10

Catechin/epicathecin

m/z 289→245

266.18

252.14

Procyanidin Dimer / Dehydrocatechin

m/z 739→577

3

380.92

Procyanidin B2

m/z 577→259

381.91

382.91

398.55

4

473.85

Procyanidin B2

491.76

5

578.56

Procyanidin B1

m/z 577→407

579.54

6

706.34

Procyanidin Trimer

m/z 867→579

7

866.21

Procyanidin Trimer

8

958.37

Procyanidin Tetramer / Poranthocyanidin