2. Material and methods
2.1. Standard compounds and other chemicals
Rutin trihydrate approx. 95% was purchased from Sigma
Chemical Company (St. Louis, USA), while myricitrin, orientin,
apigenin-7-glucoside, kaempferol-3-rhamnosidoglucoside, and
luteolin-30
,7-diglucoside were obtained from Roth (Karlsruhe,
Germany).