摘要
以甜茶多糖的得率作为评价指标,硫酸-苯酚法测定多糖含量,采用正交设计法,对料液比、提取温度及提取时间3个因素进行考察,优化多糖提取工艺参数。优化后的提取工艺为:提取时间为20 min,提取温度为80℃,提取料液比为1∶70,在此条件下甜茶茶多糖的得率达17.87%,工艺稳定,是较为理想的甜茶多糖提取工艺。
Based on the orthogonal method,the yield of polysaccharides extracted from sweet tea was taken as an evaluation index and the content of polysaccharides was evaluated by a sulfuric acid-phenol method.To optimize the extraction parameters,the solid-liquid ratio,extraction temperature,and extraction time were investigated.The improved technology can extract polysaccharides at 80℃within 20 min and the ratio of solid to liquid is 1∶70.Under this condition,the yield of polysaccharides can amount to 13.87%,a rather satisfying result indeed.
作者
姚佳
陈开琴
何志云
Yao Jia;Chen Kaiqin;He Zhiyun(Qiannan Normal University for Nationalities,Duyun 558000;Zunyi Normal University,Zunyi 563006;Guiding Planting Industry Development Center,Guiding 551300,China)
出处
《广东化工》
CAS
2021年第14期54-55,83,共3页
Guangdong Chemical Industry
基金
贵州省普通高校都匀毛尖茶工程研究中心开放基金(黔教合KY字[2016]020-04)
贵州省植物学重点支持学科(黔学位合字[2016]23号)
贵州省“本科教学工程”项目(黔教高发(2015)337号)。
关键词
甜茶
多糖
正交设计
提取
工艺
sweet tea
polysaccharide
orthogonal method
extraction
technology
