Abstract
This study aimed to investigate the activity of C. oblonga peel and leaf ethanolic extracts on biofilm formation of different microbial strains, including pathogenic bacteria and food poisoning strains. It was shown that both of the investigated extracts inhibited biofilm formation in a dose dependent manner with sub-minimal inhibitory concentrations. The percentage of biofilm formation inhibition varied for each bacterial strain and was in the range of 10-100%, for both of the tested extracts. The ability of extracts to inhibit already formed biofilms presented as minimal concentration necessary to disrupt biofilms and concentrations was in the range of 0.010-0.100 mg/mL for the leaf extract and 0.005-0.075 mg/mL for the peel extract. The investigated extracts showed a promising antimicrobial effect comparable to, or even higher than the used reference compounds which make these plant parts attractive for pharmaceutical and food industry.
Highlights
Cydonia oblonga Mill., a plant of Rosaceae family is well known for its medicinal, nutritional, and ornamental uses (Ashraf et al, 2016)
This study aimed to investigate the activity of Cydonia oblonga Mill. peels and leaf ethanolic extracts on biofilm formation of different microbial strains, including pathogenic bacteria and food poisoning strains
In our study the ability of extracts to inhibit already formed biofilms was presented as minimal concentration necessary to disrupt biofilms and these concentrations were in the range of 10-100 μg/mL for the leaf extract and 5-75 μg/mL for the peel extract (Table 1)
Summary
Cydonia oblonga Mill. (quince), a plant of Rosaceae family is well known for its medicinal, nutritional, and ornamental uses (Ashraf et al, 2016). Mostly of microorganisms, are organized in the form of biofilms, and about 80% of human infections are connected with the development of biofilms (Zijnge et al, 2010). The formation of biofilm may contain one or more species. It is often formed on organic or inorganic surfaces. Biofilm’s forming can be organized in three phases: annexation, maturation and dispersion (Williams and Cámara, 2009). This work aimed to investigate the activity of Cydonia oblonga Mill. Peels and leaf ethanolic extracts on biofilm formation of different microbial strains, including pathogenic bacteria and food poisoning strains This work aimed to investigate the activity of Cydonia oblonga Mill. peels and leaf ethanolic extracts on biofilm formation of different microbial strains, including pathogenic bacteria and food poisoning strains
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