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|標題:||Application of continuous supercritical anti-solvents for rapid recrystallization and purification of zeaxanthin dipalmitates from de-glycosides of Lycium barbarum fruits|
|期刊/報告no：:||Journal of Supercritical Fluids, Volume 57, Issue 2, Page(s) 155-161.|
|摘要:||This study employed column elution fractionation coupled with supercritical anti-solvent recrystallization to isolate the purest zeaxanthin dipalmitates (ZP), one of the eye-protecting compounds in the Lycium barbarum fruits. The amount of ZP increased to 983 mg/gin liquid anti-solvent precipitates with 29.1% recovery and increased to 929 mg/gin supercritical anti-solvent precipitates with 59.6% recovery, respectively from the ultrasonic acetone extract. Experimental data showed that supercritical anti-solvent recrystallization is feasible in producing platelet type precipitates within a few minutes. These ZP compounds exhibit anti-oxidative abilities by proliferating human adult retinal pigment epithelial cells (from 22% to 31%); though it was a meager increase when compared to those of algal 95% zeaxanthin (from 43% to 94%). (C) 2011 Elsevier B.V. All rights reserved.|
|Appears in Collections:||材料科學與工程學系|
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