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在加入1.0％生石灰粉末的条件下直接压榨柑桔皮提取榨汁，经酸化，表观糖度为11～14°Bx,可直接用于发酵制取乙醇，减少工序及能耗，提高经济效益；以饱和石灰水浸泡柑桔皮渣提取橙皮甙粗产品，并用1％NaOH和50％乙醇混合溶液进行重结晶，提高纯度，工序简单，成本低，产率高，经济效益和环境效果显著。
It can be directly used for fermenting to produce ethanol, reducing the process and energy consumption and improving the economic efficiency by directly squeezing citrus peel under the condition of adding 1.0% quick lime powder to extract the juices, and the acidity and the apparent sugar degree are 11 to 14 ° Bx. Soaking the citrus peel residue in saturated lime water to extract the hesperidin crude product, recrystallizing the mixture with the mixed solution of 1% NaOH and 50% ethanol to improve the purity, simple process, low cost, high yield and remarkable economic benefits and environmental effects.