ANTIMICROBIAL ACTIVITY OF PULCHERRIMIN PIGMENT PRODUCED BY METSCHNIKOWIA PULCHERRIMA AGAINST VARIOUS YEAST SPECIES

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December – January 2015/16, vol. 5, no. 3
pages: 282-285
Article type: Microbiology of Microbiology
DOI: 10.15414/jmbfs.2015/16.5.3.282-285
Abstract: Metschnikowia pulcherrima is common yeast on grape berries and can grow on special cultivation media with iron (e.g. FeSO4.7H2O) (max. 0.02 g/L) to produce reddish (maroon) pigment pulcherrimin. Many studies confirm that pulcherrimin has antimicrobial activity against postharvest pathogens, microscopic fungi and other yeast species. In this study, two strains of M. pulcherrima, isolated from grapes and identified by MALDI-TOF mass spectrometry, were used : VML and CBS 610NT. Sixteen yeast species: Aureobasidium (1), Candida (5), Hanseniaspora (1), Kregenvanrija (1), Pichia (2), Rhodotorula (2), Saccharomyces (1), Zygosaccharomyces (2) and Wickerhamomyces (1) were selected to test the antimicrobial capacity of these two M. pulcherrima strains. The results showed CBS 610NT had a stronger ability than VML to inhibit the tested yeasts. Among the yeast, Candida spp. and Pichia manshurica were the most sensitive to the pigment pulcherrimin.
XMLs: | NLM DTD xml | Copernicus xml |
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