茶叶脱咖啡因技术研究进展

doi:10.13305/j.cnki.jts.2008.01.001

摘要/Abstract

摘要： 茶叶具有许多医疗保健作用,然而咖啡因的负作用使消费者对低咖啡因茶及茶制品特别青睐。目前脱咖啡因技术主要有水脱除、溶剂萃取、吸附分离和超临界CO₂萃取等传统方法,以及后来发展的微生物和酶法降解咖啡因和培育低咖啡因茶树等。本文对茶叶脱咖啡因的研究进行综述,并讨论其可行性;水脱除法与吸附分离法相结合、微生物和酶法降解及培育低咖啡因茶树将是今后茶叶脱咖啡因技术发展的主要方向。

关键词: 茶叶, 脱咖啡因, 技术, 进展

Abstract: It is reported that tea has many medical functions. However, consumers prefer decaffeinated tea and tea products due to caffeine’s negative disadvantageous. Decaffeination is realized by different methods, including the traditional methods such as water decaffeination, solvent extraction, adsorption separating and supercritical carbon dioxide extraction. The recent developmental microbial and enzymatic degradation and breeding low caffeine tea varieties are also developed for removal of caffeine. The investigation on tea decaffeination was reviewed, and the feasibility was discussed in this paper. The techniques of water decaffeination combined with adsorption separating, microbial and enzymatic degradation as well as low caffeine tea breeding were regarded as the main developmental direction of tea decaffeination by the authors.

Key words: tea, decaffeination, technique, review

中图分类号:

TS272

许勇泉, 尹军峰, 袁海波, 陈建新, 汪芳. 茶叶脱咖啡因技术研究进展[J]. 茶叶科学, 2008, 28(1): 1-8. doi: 10.13305/j.cnki.jts.2008.01.001.

XU Yong-quan, YIN Jun-feng, YUAN Hai-bo, CHEN Jian-xin, WANG Fang. A Review on the Technique of Tea Decaffeination[J]. Journal of Tea Science, 2008, 28(1): 1-8. doi: 10.13305/j.cnki.jts.2008.01.001.

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