• Latin Name: Corydalis Yanhusuo W.T. Wang
  • CAS No.: 10097-84-4
  • Active Ingredient:
    • THP dl-Tetrahydropalmatine
    • d-corydaline dl-tetrahydropalmatine protopine
    • l-tetrahydrocoptisine dl-tetrahydrocoptisine
    • l-tetrahydro-columbamine
  • Specifications: min 80 & 90% Tetraidropalmatina
  • Part used: Root
  • Test Method: HPLC


Corydalis yanhusuo is a species of plant of the genus Corydalis. The tuber of this plant, often labeled as a root, is an important therapeutic agent in traditional Chinese medicine. It is native to high-altitude grasslands throughout China, including Anhui, Henan, Hubei, Hunan, Jiangsu, and Zhejiang provinces
According to the Flora of China, this herbaceous perennial produces 5 to 15 purple-blue tubular flowers in clusters that curve when opening. The round yellow tubers have a diameter of up to 2.5 cm


Pharmacology: Ease pain, Partial anesthetic, Prevent early high blood pression.