回归分析表明，培养基中豆饼粉、玉米浆粉的含量及其配比对多糖产量有显著影响。
Regression analysis showed that the contents and the proportion of soybean cake and corn steep powder in the medium influenced crude exopolysaccharides yield significantly.
经单因素实验对发酵培养基的组成进行了优化，确定较适碳源为麦芽糊精、较适氮源为黄豆饼粉和玉米浆干粉。
The result showed that maltodextrin was the best carbon source, soybean powder and corn steep powder were the best nitrogen sources.
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