This study aimed to evaluate the occurrence and diversity of yeasts in frozen concentrated orange juice (FCOJ) and assess the resistance of yeasts to peracetic acid. One thousand five hundred (n=1500) samples of frozen concentrated orange juice (FCOJ) were analyzed, and 280 yeast strains were isolated and identified. Candida represented 37% of all isolates, and the main species identified were Candida pseudointermedia and C. orthopsilosis. Other yeasts identified were Starmerella, Wickerhamiella, Wickerhamiella, Clavispora, Kodamaea, Meyerozyma, Rhodotorula, Trichosporon, Wickerhamomyces, Kluyveromyces, Hanseniaspora, Saccharomyces, Torulaspora, and Zygosaccharomyces. The exogenous origin of the contamination in FCOJ samples analyzed was shown by the high diversity, corroborated by the Simpson (D) and Shannon (Hâ€²) indices. From a total of 227 yeasts strains tested, more than 20% were able to withstand peracetic acid concentrations >200ppm, with emphasis on W...
Large scale survey of yeasts in frozen concentrated orange juice (FCOJ): occurrence, diversity, and resistance to peracetic acid.
A. S. Sant'Ana, Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Brazil. E-mail email@example.com
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Nascimento, H. M., Prado-Silva, L. do, Brandao, L. R., Brexo, R. P., Camara, A. A., Rosa, C. A., Sant'Ana, A. S.; Large scale survey of yeasts in frozen concentrated orange juice (FCOJ): occurrence, diversity, and resistance to peracetic acid.. IFIS Food and Health Sciences Database 2022; doi:
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