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Bioscience, Biotechnology, and Biochemistry Volume 64, 2000 - Issue 2
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Original Articles

Inhibiting Effects of Theanine on Caffeine Stimulation Evaluated by EEG in the Rat

Takami KAKUDACentral Research Institute, Itoen Ltd.
,
Ayumu NOZAWACentral Research Institute, Itoen Ltd.
,
Tomonori UNNOCentral Research Institute, Itoen Ltd.
,
Noritaka OKAMURADepartment of Medical Laboratory, Ehime College of Health Science
&
Osamu OKAIDepartment of Physiology, School of Health Science, Kyorin University
Pages 287-293 | Received 11 Aug 1999, Accepted 09 Nov 1999, Published online: 22 May 2014

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Umut Yilmaz, Yusuf Buzdagli, Muhammed Lütfü Polat, Yusuf Bakir, Burak Ozhanci, Sena Alkazan & Halil Ucar. (2023) Effect of single or combined caffeine and L-Theanine supplementation on shooting and cognitive performance in elite curling athletes: a double-blind, placebo-controlled study. Journal of the International Society of Sports Nutrition 20:1.
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Zhenming Yu & Ziyin Yang. (2020) Understanding different regulatory mechanisms of proteinaceous and non-proteinaceous amino acid formation in tea (Camellia sinensis) provides new insights into the safe and effective alteration of tea flavor and function. Critical Reviews in Food Science and Nutrition 60:5, pages 844-858.
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Xi-Chong Yu, Bo-La Wu, Jin-Chao Gao & Wei Yang. (2016) Theanine enhanced both the toxicity of strychnine and anticonvulsion of pentobarbital sodium. Drug and Chemical Toxicology 39:2, pages 217-223.
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Anne L. Lardner. (2014) Neurobiological effects of the green tea constituent theanine and its potential role in the treatment of psychiatric and neurodegenerative disorders. Nutritional Neuroscience 17:4, pages 145-155.
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Sachiko YAMAMOTO, Toru KIMURA, Takashi TACHIKI, Naohiko ANZAI, Takuya SAKURAI & Makoto USHIMARU. (2012) The Involvement of L-Type Amino Acid Transporters in Theanine Transport. Bioscience, Biotechnology, and Biochemistry 76:12, pages 2230-2235.
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Keiko Unno, Keisuke Fujitani, Nina Takamori, Fumiyo Takabayashi, Ken-Ichi Maeda, Hideaki Miyazaki, Naoki Tanida, Kazuaki Iguchi, Kayoko Shimoi & Minoru Hoshino. (2011) Theanine intake improves the shortened lifespan, cognitive dysfunction and behavioural depression that are induced by chronic psychosocial stress in mice. Free Radical Research 45:8, pages 966-974.
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Gail N. Owen, Holly Parnell, Eveline A. De Bruin & Jane A. Rycroft. (2008) The combined effects of L-theanine and caffeine on cognitive performance and mood. Nutritional Neuroscience 11:4, pages 193-198.
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Miroslava Lachová, Jozef Lehotay, Gabriela Karasová, Ivan Skačáni & D. W. Armstrong. (2007) Isolation of L‐Theanine from Plant Material using a Molecularly Imprinted Polymer. Journal of Liquid Chromatography & Related Technologies 30:14, pages 2045-2058.
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Takashi Yamada, Takehiko Terashima, Tsutomu Okubo, Lekh Raj Juneja & Hidehiko Yokogoshi. (2005) Effects of theanine, r-glutamylethylamide, on neurotransmitter release and its relationship with glutamic acid neurotransmission. Nutritional Neuroscience 8:4, pages 219-226.
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Sachiko YAMAMOTO, Mamoru WAKAYAMA & Takashi TACHIKI. (2005) Theanine Production by Coupled Fermentation with Energy Transfer Employing Pseudomonas taetrolens Y-30 Glutamine Synthetase and Baker’s Yeast Cells. Bioscience, Biotechnology, and Biochemistry 69:4, pages 784-789.
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