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Transformation of phenolic acids during radical neutralization.
Journal of Food Science and Technology 2024 April
UNLABELLED: Negative influence of reactive oxygen species on living organisms and stability of food products is the reason for significant interest in the substances exhibiting antioxidant properties. Phenolic acids are very popular among the known diet antioxidants. The paper presents the results of research on the application of chromatographic measurements for determination of antioxidant changes and products of radical neutralization reaction for the chosen phenolic acids (caffeic, ferulic, p-coumaric, protocatechuic and vanilic). The measurements were performed using the ABTS method in a long period time (8 days). The experiments have shown that the examined acids were depletion to ca 50 h but the reaction products (dimers or quinones) were converted into new compounds, observed in both methanolic and ethanolic measuring systems after a given period of time. The obtained results seem to be important in the context of living organisms because the biological activity of transformation products and their impact on human health have not been fully recognized yet. Moreover, the presented results can be interesting for both the producer and the consumer of food as generated substances may have influence on the nutritional value as well as the taste and aroma of the food in which phenolic compounds are applied.
SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s13197-023-05879-w.
SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s13197-023-05879-w.
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