English name: Tannase from Aspergillus ficuum; Tannin acyl Hydrolase
Other names: tannase; tannase; tannic acid ester hydrolase
Vitality: ≥200 U / g
Activity was defined: 1 U corresponds to the amount of enzyme which changes the absorbance at 310 nm by 1.0 per minute at pH 4.7 and 30 ° C (tannic acid as substrate, final volume 3 ml)
Total impurities: 25 mM potassium phosphate; 250 mM NaCl; 50% glycerol
Characters: the white powder by Aspergillus and other microbial fermentation
Use: Biochemical studies hydrolyzable tannins gallic acid ester bonds and reduced phenol carboxylic key to generate gallic acid and glucose.
Save: 2 ~ 8 ℃