Original Plant: Crataegus pinnatifida Bge Specification: 2%-8% Appearance: Brownish-red powders Test Method: UV/HPLC Molecular Formula : C9H10O2 Molecular Weight: 150.17 CAS No.: 100-06-1 Pharmacology Action: Restrain the conglomeration of blood platelet, expanding coronary artery to improve the blood supply of cardiac muscle, reducing the oxygen consumption of cardiac muscle; good effect to the bloodless heart disease. reduce blood fat and pressure. Suitable for coronary heart disease, insufficiency coronary artery blood supply, angian and heart vein disease.