Title: European Biotechnology Congress 2022 - Oral Presentation Abstracts
Abstract: The antimicrobial resistance of pathogenic bacteria are caused by the excessive use of antibiotics.To prevent this problem, scanning of bioactive materials that provide alternatives to antibiotics or support their effects is become important.There are variety of fruit wastes generated by the fruit processing industries known to have bioactivities such as antidiabetic, antimicrobial, anti-inflammatory.For this purpose, antimicrobial effects of dried pineapple peel extracts were evaluated on nine food pathogen bacteria.The extracts (PP-1, PP-2, PP-3 and PP-4) were obtained by microwave assisted extraction using different organic solvents (60% and 80% ethanol), amount of dry matter (10-20 g of peel) or pre-treatments.The antimicrobial effects of the all extracts were determined by the agar well diffusion method on Mueller Hinton Agar (MHA).It was determined that the highest antimicrobial effect among the four extracts (PP1-4) was with the PP4 extract obtained by microwave-mediated extraction (PP4) and the PP4 extract has antimicrobial effect on both Gram positive and negative bacteria with the inhibition zones of 7-13 mm.These findings showed that the effective pineapple peel extracts can be used as food preservatives.