SIFAT FISIKO KIMIA DAMAR MATA KUCING HASIL PEMURNIAN TANPA PELARUT
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Abstract
Mata kucing dammar has long become remarkable export commodity, most of which unfortunately is still in natural
form (chunk-shapped exudates) obtained from the tapping of its host trees (Shorea javanica). Accordingly, such dammar
still contains large amount of impurities thereby lowering its qualities or trade values. Consequently, this necessitates a
thorough purification attempt to enhance the dammar's added-value. The dammar purification prevalently uses organic
solvent. However, the market demand for the solvent-free dammar products currently tends to increase commensurate with
the advancement in dammar usage for drugs/ medicine and food industries. In relevant, purification of mata-kucing
dammar was experimented using manual heating system, rather than organic solvent. Result revealed physico-chemical
properties of the heat-purified dammar were not significantly different from those of natural dammar (without purification
treatment) as well as of the solvent-purified dammar. Even, with respect to ash content (impurities) and toluene insolubility,
the heat-purified dammar seemed to be better than the natural dammar. GC-MS analysis revealed there were five major
chemical compounds with relatively large contents in heat-purified dammar. Such phenomena were similar to those in the
natural dammar, with the contents of those compounds in the heat-purified dammar slightly higher.
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