St John's Wort Extract
0.3% Hypericin UV/HPLC, Powder
Introduction
Functions
Application
St John's Wort is a perennial herb of the genus Hypericum in the Gambogic family, with a height of up to cm and all hairless. Stem erect, much branched, leaves sessile, leaf blade elliptic to linear, apex obtuse, margin entire, dorsum, green above, white-green below, vein network sparse, inconspicuous. Cymes, borne at apex of stem and branches, bracts and bracteoles linear, sepals oblong or lanceolate, petals yellow, oblong or oblong-elliptic, unequal on both sides, stamens numerous, anthers yellow, ovary oval-shaped, capsules oblong-oval-shaped, seeds black brown, cylindrical, flowering in July-August, bearing in September-October.