| Identification | Back Directory | [Name]
Gambier | [CAS]
8001-48-7 | [Synonyms]
gambir
Gambier
Pale catechu
Cutch, white
Terra japonica
Resins, gambier
Uncaria gambier
Acacia catechu extract
Uncaria gambier extract | [EINECS(EC#)]
232-285-4 | [Molecular Formula]
W99 |
| Hazard Information | Back Directory | [Description]
Tree native to Malaysia, cultivated in tropical countries. A yellow
catechu is derived from the leaves of a Malaysian woody vine
(yellow or pale catechu) by boiling or infusing them in water. It
is used for chewing with betel nuts and is exported for tanning
and dyeing. The parts used are the leaves and young branches.
The derivative is a coloring substance. Extracted from leaves and
young branches, it consists of small (10 to 15 g) fragments that
are externally reddish-brown and internally yellowish. The main
constituents include tannic acid, quercetin, and coloring matter. | [Chemical Properties]
Gambir is a tree native to Malaysia, cultivated in tropical countries A yellow catechu is derived from the leaves of a Malaysian woody vine (yellow or pale catechu) by boiling or infusing them in water It is used for chewing with betel nuts and is exported for tanning and dyeing The parts used are the leaves and young branches The main constituents include tannic acid, quer- cetin and coloring matter. | [Definition]
Extractives and their physically modified derivatives. It is a product which may contain resin acids and their esters, terpenes, and oxidation or polymerization products of these terpenes. (Uncaria gambier or Ourouparia gambier, Rubiaceae.) | [Essential oil composition]
It contains catechic, epicatechic group along with anthocyanidol, which gives the characteristic reddishbrown
shade of gambir. The alkaloids gambirdine and isogambirdine have been isolated from gambir. |
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