The antimicrobial activity was tested on Gram-positive (Staphylococcus aureus ATCC 25923, Bacillus cereus ATCC 11778, Listeria inoccua ATCC 33096, Listeria ivanovii ATCC 19110), and Gram-negative (Escherichia coli ATCC 25922, Salmonella typhimurium vs. enterica ATCC 14028, Shigella flexneri ATCC 12022) bacterial as well as yeast (Candida glabrata ATCC MYA-2950, Saccharomyces cerevisiae SMR4) reference strains.
Four species of fungi, Aspergillus niger, Alternaria alternata, Rhizopus nigricans, and Cladosporium cladosporioides strains, were obtained from the Microbial Strain Collection of Faculty of Biology, University of Bucharest, Romania, and confirmed by MALDI-TOF.
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