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  1. #1
    Bourbonian of the Year 2002 and Guru
    Join Date
    Sep 1999

    Endogenous Enzyme Systems

    How's that for a catchy subject line?

    The Scotch Whisky Act of 1988 says that the mash must be "converted to a fermentable substrate only by endogenous enzyme systems."

    Am I correct in assuming that "endogenous enzyme systems" means only enzymes produced by the malt itself? We know some American distillers add enzymes. If I'm reading this correctly, scotch producers cannot do that.

  2. #2
    Join Date
    Apr 2005
    Chicago SW 'burbs
    As I understand it, it's true - only the enzymes from the malt are permitted. Even Scotch grain whisky contains some malt in the mashbill for that reason.
    Oh no! You have walked into the slavering fangs of a lurking grue!



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