Polyphenolic extracts of cherry (Prunus cerasus L.) and blackcurrant (Ribes nigrum L.) leaves as natural preservatives in meat products. The objective of this study was to evaluate the possibility of using polyphenolic extracts from cherry and blackcurrant leaves as natural antimicrobial agents in meat products. Polyphenolic composition was analyzed in terms of the impact on microbial quality. The lipid oxidation and sensory evaluation of pork sausage. The study finds After chilling the sausages for 14 and 28 days, the extracts caused significantly lower MDA generation, indicating an antioxidant effect. The application of sour cherry and black currant leaf extracts increased the shelf life of vacuum-packed sausages.