1.Chengdu Vocational College of Agricultural Science and Technology，Chengdu，Sichuan 611130；2.Northwest Agricultural and Forestry University，Yangling，Shaanxi 712100
With apple pomace as materials，with aqueous acid and precipitating with ethanol，acid selected，bleaching method，different kinds of apple pomace that dealing with the quality and quantity of the product were prepared.The results showed that the yield with citric acid was the highest among all the acids tested.Common decolorants was not effective to blanch the product.The early stage pomace gave both the productive and qualified pectin when different kinds of pomaces were employed.