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  • Botanical: Uncaria gambir
  • Family: Rubiaceae
  • Hits: 574


Uncaria gambir



Known as

cutch, black cutch, cachou, cashoo, khoyer, terra Japonica, or Japan earth, and also katha in Hindi, kaath in Marathi, khoyer in Assamese and Bengali, and kachu in Malay

Old Use

medicine, industry

Parts Used





anti inflammatory


Woody lianas; climbing by hooks formed from reduced, modified branches. Stipules entire or bifid. Inflorescence a compact head, terminal, at the ends of plagiotropic branches and their very reduced branches. Corolla lobes without appendages. Seeds with a long wing at each end, the lower wing deeply bifid.

Properties & Uses

Gambier (U. gambir), is chewed in Indonesia with areca and betel as well as used for tanning and dyeing. It contains many flavan-3-ols (catechins) which are known to have many medicinal properties and are components of Chinese herbal remedies and certain modern medicines. To make gambier, the leaves are first boiled in water. They absorb it and turn brownish in color. The leaves are then pressed mechanically to squeeze and extract liquid. This liquid is then dried into a semi-solid paste and molded into cubes, which are dried in the sun. Gambier is generally packed in 50 kilograms (110 lb) multi-layered packing (polypropylene bags inside and gunny bags outside).


none known


Their distribution is pantropical, with most species native to tropical Asia, three from Africa and the Mediterranean and two from the neotropics


Folin-Ciocalteu reagent, DPPH radical, nitro blue tetrazolium (NBT), phenazine methosulfate, nicotinamide adenine dinucleotide, sodium nitroprusside (SNP), trichloro acetic acid (TCA), thio barbituric acid (TBA), potassium hexa cyano ferrate [K 3 Fe(CN) 6 ] and l-ascorbic acid 

For educational purposes only This information has not been evaluated by the Food and Drug Administration. This information is not intended to diagnose, treat, cure, or prevent any disease.