Tetrahydropalmatine is an isoquinoline alkaloid found in several different plant species, mainly in the genus corydalis, but also in other plants such as Stephania rotunda. These plants have traditional uses in Chinese herbal medicine. The pharmaceutical industry has synthetically produced the more potent enantiomer Levo-tetrahydropalmatine, which as an alternative to anxiolytic and sedative drugs of the benzodiazepine group and analgesics such as opiates. It is also sold as a dietary supplement.

Prduct Name:	Tetrahydropalmatine	Active ingredient :	THP
Specification:	98%min	Test Method:	HPLC
Appearance	White Powder	CAS No.:	10097-84-4
Particle Size:	98% pass 80mesh	MF:	C21H25NO4

1.Tetrahydropalmatine has the protective effect on liver injury induced by carbon tetrachloride in mice.

2.Tetrahydropalmatine has analgesia and sedative-hypnotic activity, can depress the chtonic persistent pain and splanchna dull pain.

3.Tetrahydropalmatine has effect of promoting blood circulation to remove blood stasis and promoting circulation of qi to relieve pain.

4.Tetrahydropalmatine is often used for hypochondriac pain due to stagnation of the liver-qi, stomachache due to stagnation of the stomach-qi, hernial pain.

1. Applied in health product field: THP possesses not only an analgesic effect, but also a hypnotic effect;
2. Applied in pharmaceutical field: It has a role as an adrenergic agent, a non-narcotic analgesic and a dopaminergic antagonist.