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甜茶苷和甜茶多酚同时提取工艺优化

Feng XIANG,Xin-rong Dong,Jian-guo ZENG

Science and Technology of Food Industry（2019）

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Abstract
采用响应面法优化以水为溶剂同时提取广西甜茶干叶中的甜茶苷和甜茶多酚的工艺.利用Box-Behnken响应面分析法,以甜茶苷提取率和甜茶多酚提取率为响应值,优化了同时提取甜茶苷和甜茶多酚的最佳工艺为:提取温度57℃,液料比为25∶1 mL/g,提取时间为36 min,在此条件下,甜茶多酚提取率为85.32％(RSD=1.42％,n=3),甜茶苷的提取率为83.58％(RSD=2.24％,n=3).该研究结果为甜茶叶的综合利用提供了实验依据.
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