Supercritical Fluid Extraction Technology of Flavonoids in Evcommia ulmoides Oliv. Leaves and Components Analysis by LC-MS

FOOD SCIENCE ›› 2007, Vol. 28 ›› Issue (12): 128-131.

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Supercritical Fluid Extraction Technology of Flavonoids in Evcommia ulmoides Oliv. Leaves and Components Analysis by LC-MS

FU Gui-Ming, WAN Yin, ZHANG Shuo, ZHU Zuo-Wei, WU Ting

1.Key Laboratory of Food Science, Ministry of Education, Sino-German Food Engineering Center, Nanchang Universty, Nanchang 330047, China;2.Department of Food Engineering, College of Life Science, Nanchang Universty, Nanchang 330047, China;3.Jiangxi Provincial Product Quality Supervision Testing College,Nanchang 330029, China

Online:2007-12-15 Published:2011-11-22

Abstract

Abstract: The CO2 supercritical fluid extraction technology of flavonoids in Evcommia vlmoides Oliv. leaves was optimizedby orthogonal test. The experimental results showed that the optimal parameters were 4.5 ml/(g materials) ethanol dosage, 28 MPa pressure, 35 ℃ temperature and 2.5 h time. It was determined by LC-MS chromatograms that the main possible components in the Evcommia vlmoides Oliv. leaves extract were chlorogenic acid and several flavonoids such as lutin, hyperoside, astragalin and luteolin-3-O-disaccharide.

Key words: flavonoids of Evcommia ulmoides Oliv. leaves, supercritical CO2 extraction, LC-MS

FU Gui-Ming, WAN Yin, ZHANG Shuo, ZHU Zuo-Wei, WU Ting. Supercritical Fluid Extraction Technology of Flavonoids in Evcommia ulmoides Oliv. Leaves and Components Analysis by LC-MS[J]. FOOD SCIENCE, 2007, 28(12): 128-131.

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Supercritical Fluid Extraction Technology of Flavonoids in Evcommia ulmoides Oliv. Leaves and Components Analysis by LC-MS

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