Beer analysis

Detection of spoilage organisms in beer

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Beer analysis

Do you want to test beer for beverage spoilers? For fast and specific screening and detection of microbiological spoilage parameters in breweries, a wide product line of qPCR kits is offered.

Spoilage bacteria and yeasts can cause turbidity, change of taste and off-flavors in beers. To avoid losses or recalls, it is important to test for spoilage organisms in all areas of production. For fast and specific screening and detection of microbiological spoilage parameters in beer production, we offer a wide product line of test kits. The following spoilage bacteria and yeasts are of special interest in the beer industry and should be monitored:

Dekkera bruxellensis (anamorph Brettanomyces bruxellensis) is a spoilage yeast in beverages, especially important for the wine industry, where it has been shown to produce high amounts of volatile phenols (4-ethylphenol and 4-ethylguaiacol) imparting off-flavors to red wines. The yeasts of the species Dekkera bruxellensis are responsible for serious economic losses in the wine industry owing to their ability to spoil wines by the production of ethylphenols. Some authorities consider “brett” to be responsible for 90% of the spoilage problems in premium red wines. However, in the production of beer (especially craft beer or Belgian beer specialities), Dekkera bruxellensis is often not considered as contaminant, but as flavor enrichment.

Lactobacillus may be part of a regular fermentation process, but can also cause undesired acidification of beer or spoilage of fruit juices. Lactobacilli are killed by standard pasteurization.

Megasphaera are gram-negative, strictly anaerobic bacteria. They are well-known as beer spoilers producing off-flavors and turbidity.

ProductDescriptionTubeArt. No.
GEN-IAL® QuickGEN P1 ScreeningQualitative detection of bacterial and yeast contaminationshighQ021
lowQ022
whiteQ023
MGQ024
Q025
GEN-IAL® QuickGEN P1 Screening without yeastQualitative detection of bacterial contaminationshighQ031
lowQ032
whiteQ033
Q035
GEN-IAL® QuickGEN P1 and S. diastaticus ScreeningQualitative detection of bacterial and S.diastaticus contaminations in filtrated beer and beer mixes.highQ041
lowQ042
whiteQ043
MGQ044
Q045
GEN-IAL® QuickGEN P1 Screening and Hop resistanceDNA screening and differentiation of beer spoiling bacteria and hop resistance geneshighQ051
lowQ052
whiteQ053
MGQ054
GEN-IAL® QuickGEN P1 Screening and Hop resistanceDNA screening and differentiation of beer spoiling bacteria and hop resistance genesQ055
GEN-IAL® QuickGEN Beer yeast and bacteria differentiationMultiplex detection and identification of beverage spoiling bacteria and yeastshighQ071
lowQ072
whiteQ073
GEN-IAL® QuickGEN Beer Differentiation PCR KitMultiplex detection (30 species) and identification (19 species) of relevant beer spoilers (bacteria and yeasts)highQ081
lowQ082
whiteQ083
GEN-IAL® QuickGEN BiofilmSpecific DNA detection of Lactococcus lactis, Leuconostoc mesenteroides and Pichia anomalaQ095
ProductDescriptionArt. No.
GEN-IAL® QuickGEN Hop resistanceSpecific DNA detection of hop resistance genesQ105
GEN-IAL® QuickGEN Pectinatus/Megasphaera differentiation lowSpecific detection and differentiation of Pectinatus and MegasphaeraQ112
GEN-IAL® QuickGEN Enterobacteriaceae spp.Multiplex PCR-detection of enterobacteriaceae as indicators for hygiene and postprocessing contaminationsQ145
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