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Brewery microbes
Question | Answer |
---|---|
Produces lactic acid and diacetyl, cloudy beer and rope. Uses any sugar left after fermentation | Pediococcus |
Most common in cask conditioned beer. Grows rapidly even at low pH as is acid tolerant. | Acetobacter |
Obligate anaerobe thriving in very low DO levels, associated with biofilms and found in modern bright beer. | Megaephaera |
Produces lactic acid and diacetyl, cloudy and sour beer smelling of sour milk or honey | Lactobacillus |
Converts sugar into alcohol, acetaldehyde and hydrogen sulphide. Grows rapidly in sugar solutions. | Zymomonas |
Obligate anaerobe producing high levels of acetic acid and hydrogen sulphide. | Pectinatus |