An efficient method for the high-yield production of l-theanine using a newly isolated glutaminase-producing organism

L-theanine—a unique amino acid of green tea and its relaxation effect in humans

Lekh Raj Juneja · Trends in Food Science & Technology · 1999 · 363 citations

Medicine, Chemistry, Pharmacology +7

Microbial glutaminase: biochemistry, molecular approaches and applications in the food industry

Renu Nandakumar, Kazuaki Yoshimune, Mamoru Wakayama et al. · Journal of Molecular Catalysis B Enzymatic · 2003 · 152 citations

Life Sciences, Biochemistry, Food Science +16

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

Wei‐Wei Deng, Shinjiro Ogita, Hiroshi Ashihara · Phytochemistry Letters · 2008 · 114 citations

Life Sciences, Plant Biology, Plant Sciences +5

Enzymatic production of theanine, an “umami” component of tea, from glutamine and ethylamine with bacterial γ-glutamyltranspeptidase

Hideyuki Suzuki, Shunsuke Izuka, Nobukazu Miyakawa et al. · Enzyme and Microbial Technology · 2002 · 108 citations

Life Sciences, Biochemistry, Biotechnology +10

γ-Glutamyl Transfer Reactions by Glutaminase from<i>Pseudomonas nitroreducens</i>IFO 12694 and Their Application for the Syntheses of Theanine and γ-Glutamylmethylamide

Takashi Tachiki, Takeshi Yamada, Katsushige Mizuno et al. · Bioscience Biotechnology and Biochemistry · 1998 · 75 citations · Full text

Life Sciences, Biochemistry, Microbiology +10