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Heat-Induced, Metal-Catalyzed Oxidative Degradation of Quercetin and Rutin (Quercetin 3-O-Rhamnosylglucoside) in Aqueous Model Systems
Abstract
The oxidative degradation of quercetin and rutin in phosphate buffer solutions, pH 8.0, at 97 degrees C, was studied by means of UV-vis spectroscopy and reversed-phase high-performance liquid chromatography (HPLC). The effect of the transition metal ions Fe(2+) and Cu(2+) on degradation rate and browning development was also assessed. It was shown that both flavonols are very labile to thermally induced degradation under oxidative conditions. Fe(2+) and Cu(2+) caused an increase in the degradation rate, as well as an increase in browning (A(420)). Significant differences were observed in the degradation mechanisms, as implied by HPLC analyses. It is postulated that metal ions promote flavonol oxidation through reactive oxygen species formation, whereas increases in browning could be ascribed to oxidation and metal-polyphenol interactions.
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Cites
[1] Role of free radicals and catalytic metal ions in human disease: An overview
Halliwell, B., & Gutteridge, J. M. C. (1990) · Methods in Enzymology · doi:10.1016/0076-6879(90)86093-b · Cited by 4,994
Polyphenols: Chemistry, dietary sources, metabolism, and nutritional significance
Bravo, L. (2009) · Nutrition Reviews · doi:10.1111/j.1753-4887.1998.tb01670.x · Cited by 4,030
Cited by
Wang, W., Sun, C., Mao, L., Ma, P., Liu, F., Yang, J., & Gao, Y. (2016) · Trends in Food Science & Technology · doi:10.1016/j.tifs.2016.07.004 · Cited by 784
Effect of thermal processing on the flavonols rutin and quercetin
Buchner, N., Krumbein, A., Rohn, S., & Kroh, L. W. (2006) · Rapid Communications in Mass Spectrometry · doi:10.1002/rcm.2720 · Cited by 450
Kinetics and Products of the Degradation of Chitosan by Hydrogen Peroxide
Chang, K. L. B., Tai, M.-C., & Cheng, F.-H. (2001) · Journal of Agricultural and Food Chemistry · doi:10.1021/jf001469g · Cited by 269
Yu, L., & Bulone, V. (2021) · Green Chemistry · doi:10.1039/d1gc01928g · Cited by 38
Metadata
- Authors
- Makris, D. P., & Rossiter, J. T.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2000-08-11
- Volume
- 48
- Issue
- 9
- Pages
- 3830-3838
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W2057085383
- Cited by
- 198
- References
- 2
- FWCI
- 3.13
- Type
- journal article
- Language
- en
- Open access
- closed
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- Makris, D. P., & Rossiter, J. T. (2000). Heat-Induced, Metal-Catalyzed Oxidative Degradation of Quercetin and Rutin (Quercetin 3-O-Rhamnosylglucoside) in Aqueous Model Systems. Journal of Agricultural and Food Chemistry. https://doi.org/10.1021/jf0001280
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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