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Separation Science and Technology, Vol.41, No.16, 3721-3729, 2006
Selective extraction of embelin from embelia ribes by hydrotropes
The research work proposes an alternate strategy of the extraction of embelin (2,5-dihydroxy-undecyl-p-benzoquinone) from Embelia ribes. The aromatic hydrotropes such as sodium n butyl benzene sulfonate (NaNBBS), and sodium cumene sulfonate (NaCS) were found to be effective for the selective extraction of embelin with a recovery of 95% embelin from the aqueous solution of hydrotropes with high purity. The process was further optimized with respect to concentration of hydrotropes and temperature of extraction.