form
solution
concentration
≥0.8 unit/mL
impurities
potassium phosphate buffer salts, 50% glycerol
color
very strong brown
storage temp.
−20°C
Other Notes
1 U corresponds to the amount of enzyme which catalyzes the release of soluble chitooligosaccharides containing 1 μmol of N-acetylglucosamine per minute at pH 4.4 and 37°C (colloidal chitin as substrate)
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