Abstract
Specialty malts are strategic ingredients regarding their contribution to colour and flavour of beer. Malts with the same colour may present distinct flavour characteristics and intensities. Contradictorily, colour is the benchmark in practical quality control. To investigate the correlation between colour and flavour of kilned barley specialty malts, odorants of commercial products of pale ale (5–9 EBC), Vienna (6–10 EBC), Munich (11–35 EBC) and melanoidin malts (80–90 EBC) were screened via solvent-assisted flavour evaporation (SAFE) and compared via comparative aroma extract dilution analysis (cAEDA). Subsequently, selected odorants were quantified using solid-phase microextraction (SPME). A total of 34 odorants were detected, of which 12 exhibited a concentration increase as the coloration increased, whereas 4 suggested the influence of temperature and modification degree on aroma formation. Such odorants are thus elected as potential markers for monitoring the influence of process variations on the formation of aroma in commercial kilned specialty malts.
| Original language | English |
|---|---|
| Article number | 133251 |
| Journal | Food Chemistry |
| Volume | 392 |
| DOIs | |
| State | Published - 30 Oct 2022 |
Keywords
- Aroma
- Colour
- GC–MS
- SAFE
- SPME
- Specialty malt
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