The Beer Off-Flavor Series: Dimethyl Sulfide (DMS)

This is part 4 in The Beer Off-Flavor Series by Drew Beechum.

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“If you like creamed corn–flavored beer, than you’re going to love DMS,” said no one ever.

Dimethyl sulfide (DMS) is an off-flavor commonly found in lighter-colored beers, and there’s a reason for that!

Key Indicators

Tasters commonly report these characteristics when detecting dimethyl sulfide:

Creamed or canned corn Cooked vegetables Cabbage

Some even associate the taste of DMS with shellfish.

There is one reliable—or at least it used to be reliable—example of DMS: Rolling Rock. The version of Old #33 brewed in the Latrobe facility would be overflowing with DMS the second …

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