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柚子果胶的制备实验 被引量:3

Preparation experiment for grapefruit pectin
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摘要 为充分开发利用柚子皮中丰富的果胶资源,实验以柚子皮为原料,利用乙酸和柠檬酸的混合酸液作为果胶提取剂,根据乙醇对果胶的凝聚作用,选择其作为沉淀剂,经水浴、过滤、干燥等步骤制得果胶产品。实验操作简单,所用药品无毒无害,适合农村中学学生就地取材开展课外兴趣实验,在拓宽学生对乙醇物理性质认识的同时培养学生利用化学知识进行课外实践活动的能力。
出处 《化学教学》 CAS 北大核心 2018年第6期65-67,共3页 Education In Chemistry
基金 四川省哲学社会科学重点研究基地课题“中学化学的教师科研素质现状调查与对策研究”(TER2016-024)研究成果之一
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