Engineering and application of a recombinant Aspergillus niger CECT 2907 tannase to enhance the antioxidant activity of black tea
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Background: Tannases (tannin acyl hydrolases, EC 3.1.1.20) catalyze the hydrolysis of galloylated polyphenols, releasing gallic acid and other bioactive compounds with antioxidant properties. These enzymes have a wide range of ap... ...