Research on the Stability of Biologically Active (E)-azastilbene Derivatives in Polish Rivers
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Siedlce University of Natural Sciences and Humanities, Faculty of Exact and Natural Sciences, Siedlce, Poland
Adam Mickiewicz University, Faculty of Chemistry, Poznan, Poland
Military University of Technology, Warsaw, Poland
Submission date: 2020-04-25
Final revision date: 2020-08-03
Acceptance date: 2020-08-03
Online publication date: 2020-12-11
Publication date: 2021-02-05
Corresponding author
Mariusz Kluska   

Siedlce University of Natural Sciences and Humanities, 3 Maja 54, 08-110, Siedlce, Poland
Pol. J. Environ. Stud. 2021;30(2):1647–1653
The study shows potential applications of (E)-azastilbene derivatives with antimicrobial properties for surface water protection. Four derivatives of (E)-azastilbene under study interact with nine different microorganisms. The research was carried out using samples of surface waters collected from three rivers: the Bug, the Liwiec and the Muchawka. The Muchawka River flows into the Liwiec River, which, in turn, is a tributary of the Bug River. During the study, short- and long-term stability of selected stilbene derivatives in collected surface water samples was determined. The extraction process was carried out on a naphthylpropyl extraction column with a recovery rate of about 95%. The highest average reduction in the stability of the analysed derivatives after 12 months was found in water samples collected from the Muchawka River and amounted to 59%, whereas the smallest average reduction of 47% was found in water samples from the Liwiec River.