rhizoma corydalis extract corydalis tuber extract Tetrahydropalmatine CorydalisLevo-tetrahydropalmat

Tetrahydropalmatine can be prepared from the total bases of tetrahydroxy berberine. Tetrahydropalmatine can be used to prepare palmatine. Palmatine has a broad-spectrum antibacterial effect, especially against Candida albicans. It can be used clinically to treat gynecological inflammation, bacillary dysentery, enteritis, respiratory and urinary tract infections, surgical infections, and conjunctivitis. Palmatine can also enhance the relaxation of the body's norepinephrine smooth muscle.

nalgesic, hypnotic, papaverine-like

DL-Tetrahydropalmatine is the main active substance of the Chinese herb corydalis which induces hypotension and bradycardia in rats through the antagonism of striatal dopamine D2 receptor