Researches on the Optimal Working Parameters in the Extraction of Lotus Germ Oil with Supercritical Carbon Dioxide

Abstract

Abstract: The extraction of lotus germ oil by supercritical fluid CO2 has been studied. The influences of preprocessing conditions (moisture content, grind degrees), extraction conditions (temperature, pressure) and separation conditions (temperature, pressure) on the extraction rate were researched. On the basis of single factors tests, the optimal working parameters were worked out by orthogonal extraction tests: 5% of moisture content, 60 of grind degrees, 30L/h of CO2 of flow rate, 2 hours, 32MPa of extraction pressure, 50℃ of extraction temperature, 9MPa of separation pressure, 45℃ of separation temperature.

Key words: , lotus germs oil； CO2； supercritical fluid； extraction；

ZHANG Min, ZHENG Tie-Song, ZHANG Yu. Researches on the Optimal Working Parameters in the Extraction of Lotus Germ Oil with Supercritical Carbon Dioxide[J]. FOOD SCIENCE, 2006, 27(10): 319-322.

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Researches on the Optimal Working Parameters in the Extraction of Lotus Germ Oil with Supercritical Carbon Dioxide

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