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. 2018 Sep 21;23(10):2421. doi: 10.3390/molecules23102421

Table 3.

ASE composition and antioxidant capacity of their compounds.

Name Retention Time (RT) HPLC Peak Area Concentration mg/L HPLC-ABTS Peak Area % Antioxidant Capacity [mg GAE/L] % Antioxidant Activity in the Total Extract
Procyanidin 1 * 15.36 199,682 - 1,956,638 21.76 53.12 16.3
Chlorogenic acid 17.88 1,011,205 51.59 1,901,135 21.14 51.86 16.0
(+)-Catechin 24.59 157,538 20.10 977,869 10.88 30.84 9.5
(−)-Epicatechin 31.07 233,557 27.89 1,574,801 17.51 44.43 13.7
Procyanidin 2 * 32.21 80,373 - 265,837 2.96 14.63 4.5
Procyanidin 3 * 34.12 216,547 - 1,169,588 13.01 35.21 10.8
Procyanidin 4 * 35.82 192,750 - 960,683 10.68 30.45 9.4
Catechin 1 ** 39.40 205,953 - 184,943 2.06 12.79 3.9

* belongs to the family of procyanidin; ** belongs to the family of catechins.