This procedure is used to determine the a amylase activity expressed as bacterial amylase units bau of enzyme preparations derived from bacillus subtilis var bacillus licheniformis var and bacillus stearothermophilus. Unless otherwise specified transfer a known amount of the sample into a flask containing known amount of the specified solvent shake for no less than 30 sec and no more than 5 min. The overlap between cooking and science is huge. Specific methods enzyme preparations α amylase activity bacterial application and principle.
This allows easy mixing and swirling of the flask without too much risk of spilling. A condenser is an apparatus or item of equipment used to condense change the physical state of a substance from its gaseous to its liquid state. 1 if your water supply does not support a filter pump use a hand operated vacuum pump or a syringe to draw air through the apparatus. Also known as a conical flask the erlenmeyer flask was named after its inventor in 1861.
Last updated 8th may 2017 by andy connelly.