The disposal waste liquid in the bumpkin powder production is reprocessed with the membrane seperation fechnology,and by this way,natural bumpkin juice containing kinds of amino-acids is obtained.

• 利用膜分离技术,对南瓜粉工业比生产上的副产物进行处理,得到了富含各种氨基酸的天然南瓜汁液。