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Position: Home > Articles > Study on the Extraction of Pigment from Purple Sweet Potato Powder by Microwave-assisted Technique FOOD SCIENCE 2005,26 (9)

微波辅助萃取紫甘薯色素的研究

作  者:
许正虹;高彦祥;石素兰;刘璇
单  位:
中国农业大学食品科学与营养工程学院
关键词:
微波辅助萃取;紫甘薯粉;花青素;响应面法
摘  要:
以紫甘薯粉为原料,在微波条件下萃取其色素,探讨了微波平均辐射功率、辐射时间、液固比、溶剂种类和浓度对紫甘薯色素萃取率的影响,并通过响应面法确定了最佳萃取工艺参数为微波辐射功率700W(温度70℃),辐射时间6.37min,液固比15:1,盐酸浓度为0.3%。
译  名:
Study on the Extraction of Pigment from Purple Sweet Potato Powder by Microwave-assisted Technique
作  者:
XU Zheng-hong,GAO Yan-xiang*,SHI Su-lan,LIU Xuan (College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China)
关键词:
microwave-assisted extraction;purple sweet potato powder;anthocyanin;Response Surface Methodol- ogy (RSM)
摘  要:
Anthocyanin was extracted by microwave-assisted technique from purple sweet potato powder. The effects of average microwave output power、microwave irradiation time、different solvents and their concentrations on the extraction yield were investigated, the parameters of extraction process were optimized through Response Surface Methodology (RSM) and average microwave output power was 700w(temperature 70℃), microwave irradiation time was 6.37min, liquid/solid ratio 15:1 and hydrochloride concentration was 0.3%.

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