“…Viburnum opulus contain high level phenolic compounds such as hydroxybenzoic acids, tannins, flavonoids, anthocyanins, chlorogenic acid, catechin, epicatechin, cyanidin-3-glucoside, cyanidin-3-rutinoside and quercetin (Velioglu, Ekici, & Poyrazoglu, 2006;Perova, I. B., Zhogova,Cherkashin,Éller, &Ramenskaya, 2014).)…”