Figure 1
HPLC chromatograms of standard compounds. 1 – gallic acid, 2 – protocatechuic acid, 3 – procyanidin B1, 4 – epigallocatechin, 5 – catechin, 6 – chlorogenic acid, 7 – caffeic acid, 8 – procyanidin B2, 9 – epicatechin, 10 – sanguiin H-6, 11 – ellagic acid, 12 – hyperoside, 13 – isoquercetin, 14 – quercetin 3-O-glucuronide, 15 – kaempferol 3-O-galactoside, 16 – salicylic acid, 17 – quercetin 3-O-rhamnoside, 18 – myricetin, 19 – tiliroside, 20 – quercetin, 21 – kaempferol.