Phenological changes in the chemical content of wild and greenhouse-grown Hypericum pruinatum: Flavonoids

The present study was conducted to determine the phenological changes in the content of main flavonoids, namely amentoflavone, hyperoside, isoquercitrin, quercitrin, quercetin, avicularin, rutin, (+)-catechin, and (–)-epicatechin in different tissues of Hypericum pruinatum, a promising medicinal herb of the Turkish flora.