Chlorogenic acid composition of instant coffees

Trugo, Luiz C.; Macrae, Robert

doi:10.1039/an9840900263

Cited by 184Coffee research and impactsAnalytical Chemistry and ChromatographyFood and Agricultural Sciences

Chlorogenic acid composition of instant coffees

Trugo, Luiz C., Macrae, Robert·1984·The Analyst

DOI 10.1039/an9840900263

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Abstract

A method, based on high-performance liquid chromatography, is described for the determination of chlorogenic acid isomers in instant coffee. Identification of the individual components was assisted by the preparation of isomeric mixtures by the isomerisation of available compounds and quantification based on published ultraviolet molar absorptivities. A number of extraction and clearing techniques were studied to determine the optimum conditions for the recovery of all the isomers present. The developed method was applied to a wide range of commercially available instant coffees.

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Of the three CQA isomers analyzed, 5-CQA had the highest concentration in all hot brew samples.
“Of the three CQA isomers analyzed, 5-CQA was found to have the highest concentration in all samples, in agreement with previous studies33–39.”
From Acidity and Antioxidant Activity of Cold Brew Coffee (2018) · cites this paper as [33]

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Self-citation

Authors: Trugo, L. C., & Macrae, R.
Venue: The Analyst
Publisher: Royal Society of Chemistry (RSC)
Published: 1984
Volume: 109
Issue: 3
Pages: 263
ISSN: 0003-2654 (ISSN-L)
1364-5528
DOI: 10.1039/an9840900263
OpenAlex: W2096372873
Cited by: 184
References: 0
Citations by year: 2026: 1 · 2025: 2 · 2024: 3 · 2023: 3 · 2022: 7 · 2021: 4 · 2020: 6 · 2019: 10 · 2018: 8 · 2017: 7 · 2016: 8 · 2015: 7 · 2014: 12 · 2013: 11 · 2012: 12
FWCI: 4.30
Type: journal article
Language: en
Open access: closed
Locations: The Analyst (publishedVersion)
PubMed (publishedVersion)
Topics: Health Sciences › Medicine › Pharmacology › Coffee research and impacts
Physical Sciences › Chemistry › Spectroscopy › Analytical Chemistry and Chromatography
Life Sciences › Agricultural and Biological Sciences › Food Science › Food and Agricultural Sciences
Keywords: chlorogenic acid, chlorogenic acid isomers, instant coffee, isomerization, extraction conditions
MeSH terms: Chlorogenic Acid, Chromatography, High Pressure Liquid, Coffee, Isomerism

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Chlorogenic acid composition of instant coffees

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