茶多酚提取工艺研究进展

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摘 要:茶叶中主要活性成分茶多酚是一种天然无毒无副作用的抗氧化剂,在食品、医药、日化、环保和畜牧业等行业应用广泛,满足了消费者对天然绿色产品的追求。本文综述了茶多酚的传统提取工艺方法与新型提取技术,并对其优缺点进行了客观对比分析,旨在为今后茶多酚提取技术创新提供一定技术参考。

关键词:茶多酚;应用;提取工艺

Research Progress on Extraction Technology of Tea Polyphenols

LONG Jiao, WANG Minghai, LI Dan, SUN Yu, WANG Jianchao

(Food & Drug Inspection and Testing Center of Xixiang County, Xixiang 723500, China)

Abstract: Tea polyphenols, the main active component in tea, is a natural non-toxic and non-side-effect antioxidant, which is widely used in food, medicine, daily chemical, environmental protection, animal husbandry and other industries, to meet the consumer’s pursuit of natural green products. In this paper, the traditional extraction technology and new extraction technology of tea polyphenols were briefly analyzed and compared, providing some reference for the future innovation of tea polyphenols extraction technology.

Keywords: tea polyphenol; application; extraction process

茶多酚是从茶叶中提取的多酚类物质的总称,约占茶叶干重的15%~30%[1],因其氧化聚合而呈现淡黄至茶褐色,味微涩略带茶香,易溶于乙醇、甲醇、乙酸乙酯、丙酮和热水,不溶于苯及氯仿等有机溶剂,在pH值为2~7条件下稳定,强酸、强碱、高温、光照等条件下易氧化变质。(剩余4764字)

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