1.CAS No.: 32426-34-9 2.Assay 2%, 5%- 30% 3..Active Ingredient Flavones,Vitexin,Vitexin-2``-rhamnoside 4.Test methord HPL

Products Name	Active Ingredient	Specification	Test methord
Hawthorn Leaf P.E.	Flavones	5---30%	UV
	Vitexin-2``-rhamnoside	2%	HPLC
	Vitexin	2%	HPLC

Molecular Formula: C27H30O14

Molecular Weight: 578.53

CAS No.: 32426-34-9

Brief Introduction:

The total flavonoids from Hawhtorn leaves are extracted from dried leaves of Crataegus Pinnatifida Bge. Var Major N.E.Br.or Crataegus Pinnatifida Bge. Two plants of Hawthorn genus, rose family. Its major ingredients are vitexin rhamnoside, Hyperoside and oligomeric procyanidins. Pharmacologically it can lower blood pressure. Increase blood flow of coronary artery, decrease lipids in blood, benefit heart and treat arrhythmias. 

Main Functions:

1. Improving the tolerability of mycardium to hypoxia and act against cardiac infarct like propanolol.2. Dilating coronary artery and improving the vitality of myocardium.3. Decreasing blood lipids, blood pressure and the cerebral vascular resistance.4. Act against arrhythmia, expecially atrial or ventricular premature beats, but have no effect on effect on atrial fibrillation.5. Significantly suppress the platelet aggregation induced by collagen.

Hawthorn Leaf P.E.