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Position: Home > Articles > Optimization of Extraction Conditions of Polyphenols from Longan Flesh Hubei Agricultural Sciences 2011,50 (17) 3602-3604

龙眼果肉多酚提取条件的优化

作  者:
万红霞;李艳;刘冬
单  位:
广西大学轻工与食品工程学院;深圳职业技术学院
关键词:
龙眼果肉;多酚;提取条件
摘  要:
以水及不同浓度的甲醇、乙醇、丙酮为提取溶剂低温提取龙眼果肉多酚(简称低温提取法),对提取条件进行优化,并与传统的热浸提法进行比较。结果表明最佳提取条件为70%(体积分数)的丙酮低温提取4次,低温提取法最佳提取条件下得到的每100 g龙眼鲜果肉中多酚提取量为(57.2±0.9)mg,比传统热浸提法得到的龙眼果肉多酚提取量(48.4±1.4)mg提高了18.2%。
译  名:
Optimization of Extraction Conditions of Polyphenols from Longan Flesh
作  者:
WAN Hong-xia1,2,LI Yan2,LIU Dong2(1.Institute of Light Industry and Food Engineering,Guangxi University,Nanning 530004,China; 2.Shenzhen Polytechnic,Shenzhen 518055,Guangdong,China)
关键词:
longan flesh;polyphenols;extraction conditions
摘  要:
Low temperature extraction method using ultra-pure water and different concentrations of methanol,ethanol and acetone as solvent to extract polyphenols from Dimocarpus longan flesh was optimized and compared with traditional heat lixiviation method.The highest extracting amount of polyphenols which was(57.2±0.9) mg per 100 g fresh longan flesh could be obtained by extracting 4 times using 70%(V/V) acetone at low temperature;and it was 18.2% higher than that obtained by heat lxiviation,which was(48.4±1.4) mg per 100 g fresh longan flesh.

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