Cited by 271Coffee research and impactsFood Chemistry and Fat AnalysisFermentation and Sensory Analysis

Coffee extraction: A review of parameters and their influence on the physicochemical characteristics and flavour of coffee brews

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Cordoba, Nancy, Fernandez-Alduenda, Mario, Moreno, Fabian L., Ruiz, Yolanda.·2020·Trends in Food Science & Technology

Abstract

Abstract Background The physicochemical characteristics and flavour of coffee are related to the volatile and non-volatile compounds produced during roasting, which reach the coffee cup upon brewing. Scope and approach This review focuses on interpreting the contribution that various parameters have during the coffee extraction process (coffee brewing). Coffee brewing methods and their extraction parameters were analysed in terms of phenomenological explanations and their effect on the physicochemical and flavour characteristics of brewed coffee. Key findings and conclusions Many brewing methods have been developed to achieve a myriad of coffee flavour characteristics. Although several well-known brewing techniques have been adopted in the coffee industry, little associated relevant scientific data is available. Overall, these methods vary by extraction pressure, coffee/water ratio, water quality, contact time, particle size distribution, and temperature. An overview shows that all these factors modify the extraction of bioactive and volatile compounds that affect the flavour profile of the beverage. However, more in-depth explanation of the mass and energy transport phenomena would be useful to improve the understanding of the relationship between extraction variables and coffee flavour. Thus, phenomenological explanations are included to impart a better understanding of physicochemical and flavour changes in coffee beverages. Additionally, several gaps in knowledge relating to the extraction process are identified; and new trends in coffee extraction, including the cold brew method, are also discussed.

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Crossref · 10.1016/j.tifs.2019.12.004

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92 of 92 references verified0 citation errors · 0 not checkable

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  • In the scientific literature, it is accepted that temperature impacts the solubility, volatility, and extraction kinetics of various coffee components.

    “In the scientific literature, it is accepted that temperature impacts the solubility, volatility, and extraction kinetics of various coffee components12,20, but there is only a small amount of existing scientific literature on the direct impact of brewing temperature on coffee sensory quality.”
  • Cold brew coffee prepared at temperatures less than 25 °C is widely reported to be sweeter and less acidic than hot brewed coffee.

    “At one extreme, cold brew coffee prepared at temperatures less than 25 °C is widely reported to be sweeter and less acidic than hot brewed coffee20–23, suggesting that less dramatic temperature differences might play a similar role for hot drip brew coffee.”

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Authors
Cordoba, N., Fernandez-Alduenda, M., Moreno, F. L., & Ruiz, Y.
Affiliations
Universidad de La Sabana (CO)
Venue
Trends in Food Science & Technology
Publisher
Elsevier BV
Published
2020-02
Volume
96
Pages
45-60
ISSN
0924-2244 (ISSN-L)
OpenAlex
W2995392632
Cited by
271
References
92
Citations by year
2026: 43 · 2025: 47 · 2024: 47 · 2023: 47 · 2022: 40 · 2021: 34 · 2020: 13
FWCI
13.48
Type
journal article
Language
en
Open access
Locations
  • Trends in Food Science & Technology (publishedVersion)
  • Intellectum (Universidad de La Sabana) (submittedVersion, cc-by-nc-nd)
Funders
  • Catholic Relief Services
  • Universidad de La Sabana
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 › Fermentation and Sensory Analysis
Keywords
coffee brewing, coffee extraction, coffee flavor, volatile compounds, physicochemical properties, extraction pressure, water quality, contact time, particle size distribution, mass and energy transport, cold brew, coffee roasting

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