Study on Supercritical CO2 Extraction of Flavonoids from Eucommia ulmoides Leaves

Abstract

Abstract: Study on the supercritical CO2 technology was used to extract flavonids from Eucommia ulmoides leaves, the effects of pressure, temperature, dosage of chemical preparation and time on extractabilities of flavone were studied. we have found the best craft-extractin, moreover, and the technical of microcapsulization was used to eliminate the bitterness of flavone. As a result, the best craft conditions are: extraction temperature 45℃, extraction pressure 30.0MPa, extraction time 2.5h, dosage of chemical preparation 3.5ml/g, and the extraction rate is 73.26%.

Key words: supercritical CO2 extraction, Eucommia ulmoides leaves, flavonids

LI Qiu-Hong, LUO Li-Ping, YE Wen-Feng. Study on Supercritical CO2 Extraction of Flavonoids from Eucommia ulmoides Leaves[J]. FOOD SCIENCE, 2006, 27(12): 553-555.

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Study on Supercritical CO2 Extraction of Flavonoids from Eucommia ulmoides Leaves

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