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Questions tagged [brewing-enzymes]

Enzymes used in the brewing process

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2 votes
1 answer

Could mechanical blending denature amylase enzymes?

I am trying to break down the starches in a certain variety of oats in the most efficient way possible. I have to break the whole oats down after cooking, so they are finer particles for the amylases (...
6 votes
3 answers

How to do alpha-amylase conversion first and beta second?

I know the alpha-amylase enzyme works between 66-71°C (150-160°F) and beta-amylase between 55-66°C (130-150°F). But, beta uses the dextrins produced by the alpha enzyme activity. I want to produce a ...
1 vote
1 answer

How do I determine the amount of enzyme needed to liquefy a known quantity of starch substrate?

I have an enzyme preparation (powdery form) with an activity of 1045 U/g which I would like to use in mashing a 70 g of grain whose starch percentage is at 67%. How do I determine the quantity (in ...
2 votes
1 answer

Clarity Ferm Date Stamp

I've got a package of Clarity Ferm with 2 dates stamped in ink on the back of the package: NOV 11 2016 JUL 22 2017 I bought it from an online retailer about 4 months ago (March 2017). Does ...