학술논문
Influence of detergents and sodium hypochlorite on Yarrowia lipolytica biofilms in utensils used in industrial production of colonial cheese.
Document Type
Academic Journal
Author
Wanderley LAS; Universidade Federal do Rio Grande do Sul/UFRGS, Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Rua Sarmento Leite, 500, Bairro Farroupilha, 90050-170 Porto Alegre, RS, Brazil.; Universidade Comunitária da Região de Chapecó - UNOCHAPECÓ, Laboratório de Microbiologia, Avenida Senador Atílio Fontana, 591-E Efapi, Bairro Engenho Braun, 89809-000 Chapecó, SC, Brazil.; Bergamo VZ; Universidade Federal do Rio Grande do Sul/UFRGS, Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Rua Sarmento Leite, 500, Bairro Farroupilha, 90050-170 Porto Alegre, RS, Brazil.; Machado GRM; Universidade Federal do Rio Grande do Sul/UFRGS, Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Rua Sarmento Leite, 500, Bairro Farroupilha, 90050-170 Porto Alegre, RS, Brazil.; Mendes RMO; Universidade Comunitária da Região de Chapecó - UNOCHAPECÓ, Laboratório de Microbiologia, Avenida Senador Atílio Fontana, 591-E Efapi, Bairro Engenho Braun, 89809-000 Chapecó, SC, Brazil.; Valente P; Universidade Federal do Rio Grande do Sul/UFRGS, Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Rua Sarmento Leite, 500, Bairro Farroupilha, 90050-170 Porto Alegre, RS, Brazil.; Fuentefria AM; Universidade Federal do Rio Grande do Sul/UFRGS, Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Rua Sarmento Leite, 500, Bairro Farroupilha, 90050-170 Porto Alegre, RS, Brazil.
Source
Publisher: Academia Brasileira De Ciencias Country of Publication: Brazil NLM ID: 7503280 Publication Model: Print Cited Medium: Internet ISSN: 1678-2690 (Electronic) Linking ISSN: 00013765 NLM ISO Abbreviation: An Acad Bras Cienc Subsets: MEDLINE
Subject
Language
English
Abstract
The formation of microbial biofilms in materials used in the industrial production of dairy may lead to deterioration of these foods. Yarrowia lipolytica biofilms are widely found in dairy products and can modify the final characteristics of these products. Thus, this study investigated the effectiveness of hygienization by detergents and sodium hypochlorite on the formation of Y. lipolytica biofilms in different utensils usually employed during industrial cheese production, like polypropylene, hoses, and nylon/polyethylene. The utensils were sanitized using solutions of mild and alkaline detergents, and sodium hypochlorite, according to the cheese industry Standard Operation Procedure. Results showed that in all coupons there was biofilm formation with Y. lipolytica isolates. The contact angle measurements were favored to promote the adhesion of the biofilm in the evaluated surfaces. Even after treatment with sanitizers, a significant survival rate of planktonic cells was observed in all coupons tested. These results indicate that Y. lipolytica biofilms show a significant ability to adhere to polypropylene, presenting an important impact on the quality of colonial cheese.