2006•Xibei nongye xuebaoRequires access

Research on Extraction of Soybean Isoflavones from Soybean Residue

QI Xiang-jun

Abstract

The optimum extraction conditions of isoflavones from soybean residue were researched by using orthogonal design.The optimum is the alcohol concentration 80%,the temperature 70℃,the extraction time 3 hours and the ratio of material to solvent 1∶12,and the yield is 8.95 mg/10g under the optimum conditions.The primary factor of this extraction is the alcohol concentration,while the least one is the extraction time.

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Key concepts: Isoflavones, Residue (chemistry), Extraction (chemistry), Chromatography, Chemistry, Solvent, Yield (engineering), Alcohol