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Utilization of tetrazolium blue for the colorimetric assay of tannins in tea

โœ Scribed by Amin, Alaa S.


Publisher
Springer-Verlag
Year
1997
Weight
297 KB
Volume
126
Category
Article
ISSN
0344-838X

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Colorimetric Assay Method for Determinat
โœ K.C. Mondal; D. Banerjee; M. Jana; B.R. Pati ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 49 KB

A new colorimetric method of tannase (tannin acyl hydrolase, EC 3.1.1.20) assay has been developed using its specific substrate tannic acid. It is based on the changes in optical density of substrate tannic acid after enzymatic reaction at 530 nm. The residual tannic acid was measured by a modified