8th WORKSHOP: FOOD AND DRUG SAFETY AND QUALITY, (pp.182–185)
АУТОР / AUTHOR(S): T. Anđić 
, B. Nikolić , D. Mitić-Ćulafić , S. Vuletić , T. Ganić , A. Ignjatijević , A. Džamić , L. Žarković , S. Cvetković
DOI: 10.46793/8FDSQ.PD1TA
САЖЕТАК / ABSTRACT:
Ensuring the safety of food products is a major challenge, with biological and chemical spoilage as a significant risk. Since synthetic antioxidants and antimicrobials have been linked to health concerns, plants, and their secondary metabolites represent a promising alternative due to their various biological activities. Therefore, the aim of this study was to examine the polyphenol content, antioxidant, antibacterial, and antibiofilm effect of a 70% ethanolic-aqueous extract of Filipendula ulmaria. Colorimetric assays revealed significant total phenolic and flavonoid content. Antioxidant assays included DPPH, where notable scavenging activity was recorded, and ferrous ion chelating ability, which appeared to be lower. In the MIC assay, the most sensitive was S. aureus MRSA, while the highest inhibition of biofilm formation was detected for S. aureus and S. aureus MRSA. Based on its noted activity, flower extract of F. ulmaria offers a promising alternative to synthetic preservatives.
КЉУЧНЕ РЕЧИ / KEYWORDS:
ПРОЈЕКАТ / ACKNOWLEDGEMENT:
This work is supported by the Ministry of Science, Technological Development and Innovation of the Republic of Serbia (Contract No. 451-03-66/2024-03/ 200178 and No. 451-03-65/2024-03/ 200178).
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