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Enzyme amylase...and bugs

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samiamsl

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I made a batch of makgeolli yesterday and when looking closely this morning, there are lots of tiny reddish-brown bugs in it! I traced them to my powdered enzyme amylase. Has anyone else had this problem? The bag had been unopened but I had it for about a year...Anyone know if bugs can get in a sealed bag?
 
I made a batch of makgeolli yesterday and when looking closely this morning, there are lots of tiny reddish-brown bugs in it! I traced them to my powdered enzyme amylase. Has anyone else had this problem? The bag had been unopened but I had it for about a year...Anyone know if bugs can get in a sealed bag?

Eggs certainly can. The food industry is pretty careful about this, but in raw foods (malted barley :) ) the eggs of burrowing insects, like grain weevils, can be found inside a sealed bag. Given the the right temperature, they will hatch.

As you know, heat will denature the enzymes, so the package was not pasteurized.
 
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