latin name: crataegus oxyacantha l.
plant description: hawthorn is a small thorny tree or shrub that produces brilliant red clusters of berries that are rich in flavonoids and proanthocyanidins. It is considered an important herb for the normal health and function of the cardiovascular
system.

useful part: berry/ leaf.
test method: uv-vis/hplc.
specification: flavones 5%,10%,20%,30%,40%,50%,60%,70%,80%,90% test by uv, vitex-2? ? ? -rhamnoside 2% test by hplc
appearance: yellow brown powder.
solubility: whole dissolve in water, gives special odor.

active ingredient: vitexin-2-o-rhamnoside; flavones; chlorogenic acid; crataegolic acid; hyperin; epicatechin; etc.
vitexin-2-o-rhamnoside (cas#: 64820-99-1):
molecular formula: c27h30o14.
molecular weight: 578. 5187.

function:
1. Improves blood supply to the heart by dilating the coronary blood vessels.
2. Inhibits the angiotensin converting enzyme (ace), reducing the amount of stress placed on the heart.
3. Improves metabolic processes in the heart.
4. Prevents atherosclerosis (hardening of the arteries).
5. Lowers blood pressure.

package: packed with double-layer food level plastic bag, and put in paper barrel (25 kg/barrel).
storage: store in shady, dry, and high-temperature avoiding conditions.
quality guarantee period: 2 years