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Measuring Antioxidant Efficiency of Wort, Malt, and Hops against the 2,2‘-Azobis(2-amidinopropane) Dihydrochloride-Induced Oxidation of an Aqueous Dispersion of Linoleic Acid
Abstract
This paper presents a simple, convenient method for determining the efficiency of antioxidants in aqueous systems. Production of conjugated diene hydroperoxide by oxidation of linoleic acid in an aqueous dispersion is monitored at 234 nm. 2, 2'-Azobis(2-amidinopropane) dihydrochloride is used as a free radical initiator. Among 12 antioxidants tested, phenolic compounds proved to be the most efficient, both kinetically and in terms of the inhibition time (T(inh)). Applied to wort, malt, and hops, the method confirmed a significant antioxidant activity in such products, especially hops. This assay can be used to follow oxidative changes throughout the brewing process and to understand the contribution of each raw material.
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Citations
Cites
Mechanisms of free radical oxidation of unsaturated lipids
Porter, N. A., Caldwell, S. E., & Mills, K. A. (1995) · Lipids · doi:10.1007/bf02536034 · Cited by 1,208
Cited by
Wine, Beer, Alcohol and Polyphenols on Cardiovascular Disease and Cancer
Arranz, S., Chiva-Blanch, G., Valderas-Martínez, P., Medina-Remón, A., Lamuela-Raventós, R. M., & Estruch, R. (2012) · Nutrients · doi:10.3390/nu4070759 · Cited by 534
Son, S., & Lewis, B. A. (2002) · Journal of Agricultural and Food Chemistry · doi:10.1021/jf010830b · Cited by 508
Metadata
- Authors
- Liégeois, C., Lermusieau, G., & Collin, S.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2000-02-29
- Volume
- 48
- Issue
- 4
- Pages
- 1129-1134
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W2092253261
- Cited by
- 189
- References
- 1
- FWCI
- 2.71
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Measuring Antioxidant Efficiency of Wort, Malt, and Hops against the 2,2‘-Azobis(2-amidinopropane) Dihydrochloride-Induced Oxidation of an Aqueous Dispersion of Linoleic Acid. https://app.cochat.ai/papers/10.1021/jf9911242
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- Liégeois, C., Lermusieau, G., & Collin, S. (2000). Measuring Antioxidant Efficiency of Wort, Malt, and Hops against the 2,2‘-Azobis(2-amidinopropane) Dihydrochloride-Induced Oxidation of an Aqueous Dispersion of Linoleic Acid. Journal of Agricultural and Food Chemistry. https://doi.org/10.1021/jf9911242
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
