Design-Expert 7.0 software was used to carry out the response surface test on isoflavones extraction from soybean. The three factors of ethanol mass fraction, pressure and ratio of liquid to solid were investigated and their optimal values were determined to be: 61.50%, 152.00 KPa and 21:1, respectively. Under the optimal conditions, the maximum extraction rate of 3.58 mg/g was obtained, which is about 11% higher than that obtained at atmosphere. The established second multivariate regression equation was proven to be consistent with the experiment and can be used to predict the extraction rate of the isoflavones from soybean under different technical conditions.
机构:S China Univ Technol, Sch Chem & Energy Engn, Guangzhou 510640, Peoples R China
Gong, SZ
Cheng, J
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S China Univ Technol, Sch Chem & Energy Engn, Guangzhou 510640, Peoples R ChinaS China Univ Technol, Sch Chem & Energy Engn, Guangzhou 510640, Peoples R China
Cheng, J
Yang, ZR
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机构:S China Univ Technol, Sch Chem & Energy Engn, Guangzhou 510640, Peoples R China
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Institut de Chimie Organique et Analytique, Université D'Orléans-CNRS UMR 7311, BP 67059, 45067 Orléans cedex, FranceInstitut de Chimie Organique et Analytique, Université D'Orléans-CNRS UMR 7311, BP 67059, 45067 Orléans cedex, France
Destandau, Emilie
Michel, Thomas
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Institut de Chimie Organique et Analytique, Université D'Orléans-CNRS UMR 7311, BP 67059, 45067 Orléans cedex, FranceInstitut de Chimie Organique et Analytique, Université D'Orléans-CNRS UMR 7311, BP 67059, 45067 Orléans cedex, France
Michel, Thomas
Elfakir, Claire
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Institut de Chimie Organique et Analytique, Université D'Orléans-CNRS UMR 7311, BP 67059, 45067 Orléans cedex, FranceInstitut de Chimie Organique et Analytique, Université D'Orléans-CNRS UMR 7311, BP 67059, 45067 Orléans cedex, France