1　配方与制作　按重量比计算 :硫酸钾或硫酸钠97%、淀粉或明胶 1%、硬脂酸钙 1%、硬脂酸 1%。将上述原料混合粉碎 ,加少量水和成团状 ,入模制片 ,每片约 0 .5g。2　使用方法　将保鲜片用纸包好 ,分散放于贮存水果的容器中。苹果的使用量为每公斤 5片 ,在具一定湿度的普通条件? 1 formula and production by weight ratio: 97% potassium sulfate or sodium sulfate, starch or gelatin 1%, 1% calcium stearate, stearic acid 1%. The above raw materials were mixed and crushed, add a small amount of water and into a group, into the molded tablets, each piece of about 0. 5g. 2 Directions for use Keep the wrapper wrapped in paper and spread it in a container that holds the fruit. The use of apple per kilogram 5, in a certain humidity of the ordinary conditions?