配方1(按重量比计算)亚硫酸钾97%、淀粉或明胶1%、硬脂酸钙1%、硬脂酸1%。原料可在化工原料商店买到。配制及使用:将上述原料粉碎后混合,加入少量水调成糊状,再入模制成0.5克的片剂。然后放入盛有水果的容器中,每公斤水果需加5 Formulation 1 (by weight) 97% potassium sulfite, 1% starch or gelatin, 1% calcium stearate, 1% stearic acid. Raw materials can be bought in chemical raw materials stores. Preparation and use: After the above raw materials were crushed and mixed, add a small amount of water into a paste, re-molded into 0.5 g tablets. Then put into a container containing fruit, add 5 per kilogram of fruit