Figure 5.

HPLC profile of infusions from dried Ginkgo biloba leaves in selected samples ((A)—samples with 2.5 g weight—S, brewing time 10, 15 and 60 min; (B)—samples with 5.0 g weight—M, brewing time 10, 15 and 60 min; (C)—samples with 7.5 g weight—L, brewing time 10, 15 and 60 min). All samples were determined—(1) chlorogenic acid; (2) epicatechin; (3) catechin; (4) coumarin; and (5) apigenin—with detection at 280 nm.