1材料和方法1．1苦瓜液的制各：取市售苦瓜洗净、捣碎、过滤、滤波各用。滤渣用70％乙醇浸泡24h后再过滤，将2次德波合并，编成5g／ml的苦瓜波。1．2试验用菌株与培养基：试验用菌株共12种，180株（表1，27，除真菌（白色念珠菌）用沙保氏培养基培养外，其他细菌均用牛肉育培养 1 Materials and methods 1.1 Preparation of bitter gourd liquor: Take commercially available bitter gourd washed, chopped, filtered, filtered and used. The filter residue was soaked in 70% ethanol for 24 hours and then filtered. The dewa was combined twice, and a 5 g/ml balsam pear wave was prepared. 1.2 Test strains and culture medium: There were 12 kinds of test strains and 180 strains (Table 1, 27, except fungi (Candida albicans) were cultured on Shabao’s medium, other bacteria were all cultured with beef.