Differential activities of fungi-derived tannases on biotransformation and substrate inhibition in green tea extract

Tannases are important enzymes in the antioxidant potential of tea leaves. In this study, we evaluated the effect of two tannases (T1 and T2) on biotransformation of tea polyphenols and antioxidative activities from catechins in green tea extract (GTE). The T1 tannase-catalyzed reaction was inhibite...

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Veröffentlicht in:	Journal of bioscience and bioengineering 2014-11, Vol.118 (5), p.546-553
Hauptverfasser:	Baik, Joo Hyun, Suh, Hyung Joo, Cho, So Young, Park, Yooheon, Choi, Hyeon-Son
Format:	Artikel
Sprache:	eng
Schlagworte:	Antioxidants - metabolism Antioxidative activity Biocatalysis - drug effects Bioconversions. Hemisynthesis Biological and medical sciences Biotechnology Biotransformation Carboxylic Ester Hydrolases - metabolism Catechin - analogs & derivatives Catechin - metabolism Catechin - pharmacology Free Radical Scavengers - metabolism Fundamental and applied biological sciences. Psychology Fungi - enzymology Gallic Acid - metabolism Gallic Acid - pharmacology Hydrolysis - drug effects Methods. Procedures. Technologies Plant Extracts - chemistry Plant Extracts - metabolism Polyphenols - metabolism Substrate inhibition Tannase Tea - chemistry Tea catechins
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