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.
1. Anti-depressive and sedative properties;
2. Effective remedy for the nervous system,relaxing tension and anxity and lifting the spirits.
3. Enhancing the effect of neurotransmitters in the brain.
4. As a tissue restorative for nerves.
1. Applied in food field, often used as additives, with distinct fragrance smell,it can promote digestion and increase appetie.
2. Applied in daily necessities field,also added into a large amount of oral cleaning products,such as dentifrices, mouthwash and tooth powder.
3. Applied in pharmaceutical field,because of the function of inhibition and paralysis to sensory nerve endings.
