chinese name: dang gui botanical name: radix angelicae sinensis english name: angelica [origin habitant]: gansu sichuan yunnan hubei shanxi guizhou [chemical composition]:ligustil-ide , butylidenephthalide ,ferulical acid , nicotine , succinic acid ,uracil , sucrose , chline , volatile oil , phthalic acid bitter wine , and so on . [p harmacological action ]: 1. to promote the womb proliferation . 2. to resist the anti-heart rhythm from unevence . 3. to expand the blood vessel . 4. to resist the blood platelets from getting together . 5. to protect the liver . 6. to resist bacteria and has sterilization and analgesia . 7 .when the chinese angelica made with water , it can help domestic rabbit be clam .