L-Theanine: properties, synthesis and isolation from tea

Enzymatic synthesis of theanine from glutamic acid γ-methyl ester and ethylamine by immobilized Escherichia coli cells with γ-glutamyltranspeptidase activity

(2010) Fei Zhang et al.   AMINO ACIDS

Synthesis of theanine from glutamic acid γ-methyl ester and ethylamine catalyzed by Escherichia coli having γ-glutamyltranspeptidase activity

(2010) Fei Zhang et al.   BIOTECHNOLOGY LETTERS

Extraction and isolation of catechins from tea

(2010) Quan V. Vuong et al.   JOURNAL OF SEPARATION SCIENCE

Combined Administration of L-Cystine and L-Theanine Enhances Immune Functions and Protects against Influenza Virus Infection in Aged Mice

(2010) Yasuhiro TAKAGI et al.   JOURNAL OF VETERINARY MEDICAL SCIENCE

l-theanine protects the APP (Swedish mutation) transgenic SH-SY5Y cell against glutamate-induced excitotoxicity via inhibition of the NMDA receptor pathway

(2010) X. Di et al.   NEUROSCIENCE

A Novel Catalytic Ability of γ-Glutamylcysteine Synthetase ofEscherichia coliand Its Application in Theanine Production

(2009) Koichiro MIYAKE et al.   BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY

Effects of theanine on growth of human lung cancer and leukemia cells as well as migration and invasion of human lung cancer cells

(2009) Qian Liu et al.   CYTOTECHNOLOGY

Determination of tea fermentation degree by a rapid micellar electrokinetic chromatography

(2009) Hsien-Yi Hsiao et al.   FOOD CHEMISTRY

Distribution and biosynthesis of theanine in Theaceae plants

(2009) Wei-Wei Deng et al.   PLANT PHYSIOLOGY AND BIOCHEMISTRY

Interaction between gallocatechin gallate and caffeine in crystal structure of 1:2 and 2:2 complexes

(2009) Takashi Ishizu et al.   TETRAHEDRON LETTERS

Cloning and Expression ofMethylovorus maysNo. 9 Gene Encoding γ-Glutamylmethylamide Synthetase: An Enzyme Usable in Theanine Formation by Coupling with the Alcoholic Fermentation System of Baker’s Yeast

(2008) Sachiko YAMAMOTO et al.   BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY

L-Theanine Elicits an Umami Taste with Inosine 5′-Monophosphate

(2008) Masataka NARUKAWA et al.   BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY

Co-administration of l-cystine and l-theanine enhances efficacy of influenza vaccination in elderly persons: Nutritional status-dependent immunogenicity

(2008) Koichi Miyagawa et al.   Geriatrics & Gerontology International

Determination of Theanine, GABA, and Other Amino Acids in Green, Oolong, Black, and Pu-erh Teas with Dabsylation and High-Performance Liquid Chromatography

(2008) Kai-Yang Syu et al.   JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

An improved HPLC method for simultaneous determination of phenolic compounds, purine alkaloids and theanine in Camellia species

(2008) Li Peng et al.   JOURNAL OF FOOD COMPOSITION AND ANALYSIS

Psychological effects of dietary components of tea: caffeine and L-theanine

(2008) Janet Bryan   NUTRITION REVIEWS

The combined effects of L-theanine and caffeine on cognitive performance and mood

(2008) Gail N. Owen et al.   NUTRITIONAL NEUROSCIENCE

Biosynthesis of theanine (γ-ethylamino-l-glutamic acid) in seedlings of Camellia sinensis

(2008) Wei-Wei Deng et al.   Phytochemistry Letters

The effects of l-theanine, caffeine and their combination on cognition and mood

(2007) Crystal F. Haskell et al.   BIOLOGICAL PSYCHOLOGY

Selective adsorption of tea polyphenols from aqueous solution of the mixture with caffeine on macroporous crosslinked poly(N-vinyl-2-pyrrolidinone)

(2007) Ruiying Zhao et al.   REACTIVE & FUNCTIONAL POLYMERS