机构地区: 韩山师范学院化学系
出 处: 《广东化工》 2005年第7期14-15,共2页
摘 要: 本文采用乙醇提取钙盐沉淀法从苹果皮渣中提取果胶,并测定其含量,确定了最佳提取条件:pH=2,水解时间为1.5h,水解温度为90℃。该方法对药品的要求简单,分析可靠。 In this paper,the alcohol distillation- calcium salt precipitation method was adopted to distill the pectin from apple peel , and its colltent was tested . Results showed that the best conditions as follow: pH = 2, acid-hydrolization time was 1.5h, the temperature of hydrolization was 90℃. This method is propriety because of the simple wsed drugs was and reliable analysis method.