HISTOCHEMICAL STUDY OF CONTAMINANTS IN COMMERCIALLY AVAILABLE DIASTASES AND AMYLASES
- 1 December 1964
- journal article
- research article
- Published by SAGE Publications in Journal of Histochemistry & Cytochemistry
- Vol. 12 (12) , 919-927
- https://doi.org/10.1177/12.12.919
Abstract
No contaminants were detected with PAS, pyronin-Y and other staining methods in twice-crystallized alpha-amylase but most other commercially available diastases and amylases tested contained peptidase, ribonuclease, or both. Very small amounts of twice-crystallized alpha-amylase hydrolyzed glycogen in rat liver sections even at room temperature.Keywords
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