Cited by 219Coffee research and impactsFood Chemistry and Fat AnalysisPotato Plant Research

Role of Roasting Conditions in the Profile of Volatile Flavor Chemicals Formed from Coffee Beans

Moon, Joon-Kwan, Shibamoto, Takayuki·2009·Journal of Agricultural and Food Chemistry

Abstract

The volatile chemicals in dichloromethane extracts from green coffee beans, roasted at 230 degrees C for 12 min (light), at 240 degrees C for 14 min (medium), at 250 degrees C for 17 min (city), or at 250 degrees C for 21 min (French), were analyzed by gas chromatography and gas chromatography-mass spectrometry. Among the 52 volatile compounds identified, the major compounds were 5-hydroxymethylfurfural, furfuryl alcohol, and 6-methyl-3,5-dihydroxy-4H-pyran-4-one in light-roasted beans; furfuryl alcohol, 5-hydroxymethylfurfural, and gamma-butyrolactone in medium-roasted beans; furfuryl alcohol, gamma-butyrolactone, and 2-acetylpyrrole in city-raosted beans; and gamma-butyrolactone, furfuryl alcohol, and catechol in French-roasted beans. Furfural derivatives and furanones were yielded in relatively high concentrations under mild roasting conditions and then reduced at higher roasting intensities. More pyridines and pyrroles were formed by high roasting intensities than by mild roasting intensities. Chlorogenic acid degradation products, phenols, and a lactone were produced more by high roasting intensities than by low roasting intensities. The results of the present study suggest that controlling the roasting conditions according to the formation of particular chemicals can prepare a roasted coffee with preferable flavor.

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Crossref · 10.1021/jf901136e

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Authors
Moon, J.-K., & Shibamoto, T.
Affiliations
University of California, Davis (US)
Corresponding author
Shibamoto, Takayuki
Venue
Journal of Agricultural and Food Chemistry
Published
2009-06-05
Volume
57
Issue
13
Pages
5823-5831
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W1977103439
Cited by
219
References
28
Citations by year
2026: 17 · 2025: 19 · 2024: 15 · 2023: 20 · 2022: 17 · 2021: 21 · 2020: 23 · 2019: 12 · 2018: 16 · 2017: 9 · 2016: 9 · 2015: 10 · 2014: 10 · 2013: 5 · 2012: 9
FWCI
3.83
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Agricultural and Food Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pharmacology › Coffee research and impacts
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Food Chemistry and Fat Analysis
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Potato Plant Research
Keywords
coffee roasting, volatile flavor compounds, green coffee beans, roasting temperature, roasting time, 5-hydroxymethylfurfural, furfuryl alcohol, furanone, gamma-butyrolactone, pyridine, pyrrole, phenols, coffee flavor
MeSH terms
Chromatography, Gas, Food Handling, Furaldehyde, Furans, Hot Temperature, Gas Chromatography-Mass Spectrometry, Phenols, Pyridines, Pyrroles, Seeds, Taste, Volatilization, Coffea

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