Chitosan–Hydroxycinnamic Acid Conjugates: Synthesis, Physicochemical Characteristics, and Estimation of Their Influence on Productivity and Quality of the Radish

Conjugates of chitosan with ferulic (Chit–FA) and caffeic (Chit–CA) acids were synthesized by the carbodiimide method. The formation of conjugates was confirmed via UV and IR spectroscopy. It was shown that their antioxidant activity increased in the order Chitosan < Chit–FA < Chit–CA. Ultrath...

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Bibliographic Details
Published in:Applied biochemistry and microbiology 2022-04, Vol.58 (2), p.175-185
Main Authors: Hileuskaya, A. E., Nikalaichuk, V. V., Kraskouski, A. N., Hileuskaya, K. S., Kulikouskaya, V. I., Kalatskaja, J. N., Nedved, E. L., Vialichka, N. I., Laman, N. A.
Format: Article
Language:English
Subjects:
Antioxidants
Ascorbic acid
Atomic force microscopy
Biochemistry
Biomedical and Life Sciences
Carbodiimide
Carbodiimide method
Chitosan
Conjugates
Hydroxycinnamic acid
Infrared spectroscopy
Life Sciences
Medical Microbiology
Microbiology
Physicochemical properties
Quartz crystal microbalance
Quartz crystals
Radishes
Seeds
Synthesis
Thin films
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Summary:Conjugates of chitosan with ferulic (Chit–FA) and caffeic (Chit–CA) acids were synthesized by the carbodiimide method. The formation of conjugates was confirmed via UV and IR spectroscopy. It was shown that their antioxidant activity increased in the order Chitosan < Chit–FA < Chit–CA. Ultrathin films (less than 100 nm) were prepared with the synthesized conjugates, and their physicochemical properties were studied by a quartz crystal microbalance and atomic force microscopy. It was established that the pretreatment of radish seeds with the synthesized chitosan–hydroxycinnamic acid conjugates contributes to an increase in the tuber vitamin C content and a decrease in the tuber nitrate level.
ISSN:0003-6838
1608-3024
DOI:10.1134/S0003683822020065