Search over 40,000 articles from the original, classic Encyclopedia Britannica, 11th Edition.
|
BENZOIN
, or See also:Gum See also:BENJAMIN (supposed to be from Arab. luban, See also:frankincense, the first syllable being dropped in Romanic as if it were the See also:article), a balsamic See also:resin obtained from Styrax benzoin, a See also:tree of considerable See also:size, native to See also:Sumatra and See also:Java, and from other See also:species of Styrax
.
It is obtained by making incisions in the bark of the trees, and appears to be formed as the result of the See also:wound, not to be secreted normally
.
There are several varieties of benzoin in See also:commerce: (1) See also:Siam benzoin, which apparently does not come from Styrax benzoin, is the finest and most aromatic, and occurs in the See also:form of small " tears, " rarely exceeding 2 in. in length by 1 in. in thickness, and of " blocks " made up of these tears agglomerated by a clear reddish-See also: |
|
|
[back] C7H602 BENZOIC ACID |
[next] BENZOPHENONE (DIPIENYL KETONE) |
The size of styrax occuring from Sumatra (indonesia) or Laos are not considerable, only fifteen up to twenty meters. Benzoin resin available in the trade to day is obtain from to species, styrax benzoin - listed as benzoe sumatranus in the european pharmacopéea (EP)-, and styrax tonkinensis listed as benzoe tonkinensis also in the EP. Styrax tokinensis is exploited only in Laos to day, this is his country of origin as far as we know, and confirmed since 1892. At farm gate level, the two anthropic exsudate are similar in aspect (almonst, shifting and dust) but not in the smell. Our company exploite styrax tonkinensis since twenty years ! Regards
Do not copy, download, transfer, or otherwise replicate the site content in whole or in part.
Links to articles and home page are encouraged.