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- Title
Revealing the microbial diversity and physicochemical characteristics of Brazilian untreated green table olives.
- Authors
Simões, Luara Aparecida; Fernandes, Natalia de Andrade Teixeira; de Souza, Angélica Cristina; Torres, Luciana Marques; da Silva, Luiz Fernando de Oliveira; Schwan, Rosane Freitas; Dias, Disney Ribeiro
- Abstract
Aim This work evaluated the microbial diversity and physicochemical characteristics of fresh and fermented fruits from Brazilian untreated green table olives of the Ascolano and Grappolo cultivars. Methods and results Twenty species of mesophilic bacteria, seven lactic acid bacteria, and fourteen yeast were identified. Some species prevailed over others, such as the bacteria Levilactobacillus brevis, Lacticaseibacillus paracasei subsp. paracasei, Pantoea agglomerans, Staphylococcus warneri, Bacillus simplex, B. thuringiensis, and the yeasts Candida parapsilosis, Ca. orthopsilosis, and Cryptococcus flavescen. In the olive fruit and olive brine, the sugars: sucrose, glucose, mannitol, and fructose, and the acids: acetic, citric, lactic, malic, and succinic were identified. Thirty-seven volatile compounds belonging to different chemical classes of acids, alcohols, aldehydes, esters, hydrocarbons, phenols, ketones, and ether were identified in the fruits and brine olives. Conclusion The polyphasic methodology using matrix assisted laser desorption/ionization–time of flight and 16S rRNA sequencing was efficiently performed to identify microorganisms; chemical analysis helped to understand the fermentation process of olives.
- Subjects
MICROBIAL diversity; LACTIC acid bacteria; OLIVE; SUGAR alcohols; LACTIC acid; BACILLUS (Bacteria)
- Publication
Journal of Applied Microbiology, 2023, Vol 134, Issue 1, p1
- ISSN
1364-5072
- Publication type
Article
- DOI
10.1093/jambio/lxac043