Uncaria rhynchophylla

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Uncaria rhynchophylla
Uncaria rhynchophylla kagikzr01.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Gentianales
Family: Rubiaceae
Genus: Uncaria
Species: U. rhynchophylla
Binomial name
Uncaria rhynchophylla
(Miq.) Jacks., 1897

Uncaria rhynchophylla (simplified Chinese: 钓钩藤; traditional Chinese: 釣鉤藤; pinyin: diào gōu téng; literally: "fish hook vine") or the cat's claw herb is a plant species used in traditional Chinese medicine.

(+)-Catechin and (-)-epicatechin are found in the plant[1] as well as the alkaloid rhynchophylline.[2]


  1. ^ Hou WC, Lin RD, Chen CT, Lee MH (2005). "Monoamine Oxidase B (MAO-B) Inhibition by Active Principles from Uncaria rhynchophylla". Journal of Ethnopharmacology. 100 (1–2): 216–220. doi:10.1016/j.jep.2005.03.017. PMID 15890481. 
  2. ^ Shi JS, Yu JX, Chen XP, Xu RX (2003). "Pharmacological Actions of Uncaria Alkaloids, Rhynchophylline and Isorhynchophylline" (pdf). Acta Pharmacologica Sinica. 24 (2): 97–101. PMID 12546715. 

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