amylase assay?

Penguin penguin at
Wed Mar 5 17:27:35 EST 1997

hbkg at wrote:
> We isolated some strain which produces amylase. Amylase activity
> was demonstrated by KI + I2 methods to be strong.
> But supernatants containing amylase does not show any activities
> by DNS methods. Does LB components inhibit DNS binding to degrades
> starch? We are not still sure what microorganism it is.

DNS methods?  Is this a common amylase assay?  Maybe a reducing end


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