期刊
JOURNAL OF PROTEOME RESEARCH
卷 15, 期 12, 页码 4544-4556出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jproteome.6b00635
关键词
beer; barley; hops; biomarker model; hops; metabolomics; plasma; urine; UPLC-QTOF
资金
- Carlsberg A/S
- FOODBALL (BIO-NH call under the Joint Programming Initiative)
- BIO-NH call under the Joint Programming Initiative, a Healthy Diet for a Healthy Life
- Danish Innovation Foundation [4203-00002B]
Evaluation of the health related effects of beer intake is hampered by the lack of accurate tools for assessing intakes (biomarkers). Therefore, we identified plasma and urine metabolites associated with recent beer intake by untargeted metabolomics and established a characteristic metabolite pattern representing raw materials and beer production as a qualitative biomarker of beer intake. In a randomized, crossover, single-blinded meal study (MSt1), 18 participants were given, one at a time, four different test beverages: strong, regular, and nonalcoholic beers and a soft drink. Four participants were assigned to have two additional beers (MSt2). In addition to plasma and urine samples, test beverages, wort, and hops extract were analyzed by UPLC-QTOF. A unique metabolite pattern reflecting beer metabolome, including metabolites derived from beer raw material (i.e., N-methyl tyramine sulfate and the sum of iso-alpha-acids and tricyclohumols) and the production process (i.e., pyro-glutamyl proline and 2-ethyl malate), was selected to establish a compliance biomarker model for detection of beer intake based on MSt1. The model predicted the MSt2 samples collected before and up to 12 h after beer intake correctly (AUC = 1). A biomarker model including four metabolites representing both beer raw materials and production steps provided a specific and accurate tool for measurement of beer consumption.
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