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陈雪峰 詹雪英 杨大庆 (西北轻工业学院食品工程系,陕西咸阳 712081)  
In this paper,high methoxyl pectin was extracted from apple residue by method of acid solution and alcohol precipitation. Probed the effects of sorts of acids on obtaining rate of production,studied the effects of acid solution concentration,rate of material and solution, heating temperature and time on obtaining rate\ of product with hydrochloric acid,defined the optimal extracting condition.Products accorded with pectin quality standard through examination,estimated the cost of production.
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