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Abstract:

Chitosan (0.1 g 1-1), assayed in a simple medium, reduced the viability of four lactic acid bacteria isolated during the beer production process by 5 logarithmic cycles, whereas activity against seven commercial brewing yeasts required up to 1 g chitosan 1-1. Antimicrobial activity was inversely affected by the pH of the assay medium. In brewery wort, chitosan (0.1 g 1-1) selectively inhibited bacterial growth without altering yeast viability or fermenting performance.

Registro:

Documento: Artículo
Título:Selective antimicrobial activity of chitosan on beer spoilage bacteria and brewing yeasts
Autor:Gil, G.; Del Mónaco, S.; Cerrutti, P.; Galvagno, M.
Filiación:Lab. de Microbiol. Industrial, Depto. de Ing. Química, Universidad de Buenos Aires, Argentina
Consejo Nac. de Invest. Cie. y Tec., Lab. de Microbiol. Industrial, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:Brewing process; Chitosan; Selective antimicrobial activity; antifungal agent; antiinfective agent; chitosan; article; beer; comparative study; cytology; dose response; drug effect; evaluation; food contamination; food handling; growth, development and aging; instrument sterilization; Lactobacillus; methodology; microbiology; Pediococcus; Saccharomyces cerevisiae; sensitivity and specificity; Anti-Bacterial Agents; Antifungal Agents; Beer; Chitosan; Dose-Response Relationship, Drug; Food Contamination; Food Handling; Lactobacillus; Pediococcus; Saccharomyces cerevisiae; Sensitivity and Specificity; Sterilization; Bacteria (microorganisms)
Año:2004
Volumen:26
Número:7
Página de inicio:569
Página de fin:574
DOI: http://dx.doi.org/10.1023/B:BILE.0000021957.37426.9b
Título revista:Biotechnology Letters
Título revista abreviado:Biotechnol. Lett.
ISSN:01415492
CODEN:BILED
CAS:chitosan, 9012-76-4; Anti-Bacterial Agents; Antifungal Agents; Chitosan, 9012-76-4
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01415492_v26_n7_p569_Gil

Referencias:

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Citas:

---------- APA ----------
Gil, G., Del Mónaco, S., Cerrutti, P. & Galvagno, M. (2004) . Selective antimicrobial activity of chitosan on beer spoilage bacteria and brewing yeasts. Biotechnology Letters, 26(7), 569-574.
http://dx.doi.org/10.1023/B:BILE.0000021957.37426.9b
---------- CHICAGO ----------
Gil, G., Del Mónaco, S., Cerrutti, P., Galvagno, M. "Selective antimicrobial activity of chitosan on beer spoilage bacteria and brewing yeasts" . Biotechnology Letters 26, no. 7 (2004) : 569-574.
http://dx.doi.org/10.1023/B:BILE.0000021957.37426.9b
---------- MLA ----------
Gil, G., Del Mónaco, S., Cerrutti, P., Galvagno, M. "Selective antimicrobial activity of chitosan on beer spoilage bacteria and brewing yeasts" . Biotechnology Letters, vol. 26, no. 7, 2004, pp. 569-574.
http://dx.doi.org/10.1023/B:BILE.0000021957.37426.9b
---------- VANCOUVER ----------
Gil, G., Del Mónaco, S., Cerrutti, P., Galvagno, M. Selective antimicrobial activity of chitosan on beer spoilage bacteria and brewing yeasts. Biotechnol. Lett. 2004;26(7):569-574.
http://dx.doi.org/10.1023/B:BILE.0000021957.37426.9b