| Issue |
BIO Web Conf.
Volume 205, 2025
2025 10th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE 2025)
|
|
|---|---|---|
| Article Number | 01002 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/bioconf/202520501002 | |
| Published online | 16 December 2025 | |
Investigation of copigment couple between Aronia anthocianins and ascorbic acid in temperature range
1 Mathematics, Physics and Chemistry, Technical University Sofia, branch Plovdiv, Plovdiv, Bulgaria
2 Analytical and Physical Chemistry Department, University of Food Technologies, Plovdiv, Bulgaria
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
In this study, the interaction between Aronia as pigment and ascorbic acid copigment is presented. The process is observed at different concentrations and at different temperatures. The equilibrium constant of interactions between them and some thermodynamic parameters were obtained. The obtained results showed that with the increase of temperature, destruction in the pigment:copigment couple was observed. Furthermore, the kinetic parameters in the system were obtained, and the reversibility of the copigmentation process was observed.
© The Authors, published by EDP Sciences, 2025
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