Through single factor and orthogonal experiments, extraction of oil from soybean embryo and its composition were studied by using petroleum ether as degrease solvent and GC, respectively.
METHODS Indicated by the content of sennoside A, the conditions of residue solventextraction and resin purification were determined by single factor trial.
方法番泻苷A为指标，以单因素考察确定药渣溶剂提取与树脂精制条件。
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Abstract : A process for extraction of absolute oil from Sichuan 'paste' tobacco was optimized through single factor test and orthogonal test with n-hexane as extractionsolvent.