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Characterizing the impact of package type on beer stability

ABSTRACT: The brewing industry is highly competitive, driving the importance of beer stability. Brewers use both aluminum cans and glass bottles to distribute product, however a direct comparison of the impact of these two package types on beer stability has yet to be conducted. Here, a non-targeted metabolomics approach was used to characterize changes in the metabolite profile of an amber ale (AA) and India pale ale (IPA) packaged in cans and bottles over a six-month aging. A strong correlation by package type was observed for AA but not for IPA over all time points. Baseline differences in amino acids (glycine, tyrosine, asparagine) and esters (isobutyl isobutyrate, 2-methylbutyl butyrate, ethyl decanoate) were also observed in AA. Hop terpenes (humulene, pinocarvone, alpha-calacorene) demonstrated package-dependent changes over time which appear to be influenced by metabolite water solubility. Overall, the results demonstrate that beer metabolites, and thus stability, are significantly impacted by package type.

INSTRUMENT(S): GC-MS

ORGANISM(S): Hordeum Vulgare (ncbitaxon:4513)

SUBMITTER: Jessica Prenni

PROVIDER: MSV000090380 | MassIVE |

REPOSITORIES: MassIVE

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GNPS - Characterizing the impact of package type on beer stability

Project description:The brewing industry is highly competitive, driving the importance of beer stability. Brewers use both aluminum cans and glass bottles to distribute product, however a direct comparison of the impact of these two package types on beer stability has yet to be conducted. Here, a non-targeted metabolomics approach was used to characterize changes in the metabolite profile of an amber ale (AA) and India pale ale (IPA) packaged in cans and bottles over a six-month aging. A strong correlation by package type was observed for AA but not for IPA over all time points. Baseline differences in amino acids (glycine, tyrosine, asparagine) and esters (isobutyl isobutyrate, 2-methylbutyl butyrate, ethyl decanoate) were also observed in AA. Hop terpenes (humulene, pinocarvone, alpha-calacorene) demonstrated package-dependent changes over time which appear to be influenced by metabolite water solubility. Overall, the results demonstrate that beer metabolites, and thus stability, are significantly impacted by package type.

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