By studying pectinase antiseptic preservation,the optimum antiseptics component was obtained. They are as follows:Potassium Sorbate 1.0g/l,Propylparaben 0.1g/l and NaCl 0.2g/l.

• 对液体果胶酶进行防腐保藏的研究；得到最优防腐剂组分为:山梨酸钾1.；0g/l、对羟基苯甲酸丙酯0