Tropical Journal of Pharmaceutical Research

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Health Benefits of Theanine in Green Tea: A Review

Yue-Rong Liang, Chang Liu, Li-Ping Xiang, Xin-Qiang Zheng


Theanine is an amide exclusively present in tea and some fungi, and is an important bioactive component of tea. The bioactive effects of theanine include antitumour, anti-diabetic, antihypertensive, anti-stress activities, and the ability to improve cardiovascular and cerebrovascular diseases. It also has protective effect on nerve cells against damage induced by environmental neurotoxins as well as on liver from injury induced by excessive alcohol intake. The bioactive functions of theanine as well as its pharmacokinetics are presented in this review.

Keywords: Theanine, Pharmacokinetics, Pharmacology, Bioactive properties
AJOL African Journals Online