Influence of inoculum preparation and volume on growth of mycotoxigenic molds

The influence of the volume and the a of the inoculum, adjusted or not with glycerol to the a w of the medium, on growth of mycotoxigenic species of fungi was determined for Aspergillus flavus, Aspergillus ochraceus, Penicillium citrinum, Penicillium viridicatum, Fusarium tricinctum and Microdochium...

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Autores principales:	González, H.H.L., Pacin, A., Boente, G., Martínez, E., Resnik, S.
Formato:	JOUR
Materias:	Inoculum volume Mycotoxigenic fungi Water activity Aspergillus flavus Aspergillus ochraceus Fungi Fusarium Fusarium tricinctum Microdochium nivale Penicillium Penicillium citrinum Penicillium viridicatum
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_0362028X_v58_n4_p430_Gonzalez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	todo:paper_0362028X_v58_n4_p430_Gonzalez
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spelling	todo:paper_0362028X_v58_n4_p430_Gonzalez2023-10-03T15:26:47Z Influence of inoculum preparation and volume on growth of mycotoxigenic molds González, H.H.L. Pacin, A. Boente, G. Martínez, E. Resnik, S. Inoculum volume Mycotoxigenic fungi Water activity Aspergillus flavus Aspergillus ochraceus Fungi Fusarium Fusarium tricinctum Microdochium nivale Penicillium Penicillium citrinum Penicillium viridicatum The influence of the volume and the a of the inoculum, adjusted or not with glycerol to the a w of the medium, on growth of mycotoxigenic species of fungi was determined for Aspergillus flavus, Aspergillus ochraceus, Penicillium citrinum, Penicillium viridicatum, Fusarium tricinctum and Microdochium nivale. Statistical analysis of the data was based on the application of multivariate techniques. It was seen that at constant volumes (10 μl), P. viridicatum, A. ochraceus and M. nivale show no significant growth differences whether or not the a w of the inoculum is adjusted; but significant differences were observed with A. flavus, P. citrinum and F. tricinctum. Moreover, significant differences in growth between adjusted and unadjusted a w levels are also present when there are different inoculum volumes for A. flavus and P. citrinum. Thus, it is appropriate to adjust the inoculum to the same a w level as that of the medium or the food to be considered. In all cases, where significant differences were present, greater colony diameters were observed when the a w was adjusted. With the same inoculum preparation, different inoculum volumes also affect fungus growth, producing greater colony diameters with increments in the volume. Copyright ©, International Association of Milk, Food and Environmental Sanitarians. Fil:González, H.H.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Boente, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Martínez, E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Resnik, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0362028X_v58_n4_p430_Gonzalez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Inoculum volume Mycotoxigenic fungi Water activity Aspergillus flavus Aspergillus ochraceus Fungi Fusarium Fusarium tricinctum Microdochium nivale Penicillium Penicillium citrinum Penicillium viridicatum
spellingShingle	Inoculum volume Mycotoxigenic fungi Water activity Aspergillus flavus Aspergillus ochraceus Fungi Fusarium Fusarium tricinctum Microdochium nivale Penicillium Penicillium citrinum Penicillium viridicatum González, H.H.L. Pacin, A. Boente, G. Martínez, E. Resnik, S. Influence of inoculum preparation and volume on growth of mycotoxigenic molds
topic_facet	Inoculum volume Mycotoxigenic fungi Water activity Aspergillus flavus Aspergillus ochraceus Fungi Fusarium Fusarium tricinctum Microdochium nivale Penicillium Penicillium citrinum Penicillium viridicatum
description	The influence of the volume and the a of the inoculum, adjusted or not with glycerol to the a w of the medium, on growth of mycotoxigenic species of fungi was determined for Aspergillus flavus, Aspergillus ochraceus, Penicillium citrinum, Penicillium viridicatum, Fusarium tricinctum and Microdochium nivale. Statistical analysis of the data was based on the application of multivariate techniques. It was seen that at constant volumes (10 μl), P. viridicatum, A. ochraceus and M. nivale show no significant growth differences whether or not the a w of the inoculum is adjusted; but significant differences were observed with A. flavus, P. citrinum and F. tricinctum. Moreover, significant differences in growth between adjusted and unadjusted a w levels are also present when there are different inoculum volumes for A. flavus and P. citrinum. Thus, it is appropriate to adjust the inoculum to the same a w level as that of the medium or the food to be considered. In all cases, where significant differences were present, greater colony diameters were observed when the a w was adjusted. With the same inoculum preparation, different inoculum volumes also affect fungus growth, producing greater colony diameters with increments in the volume. Copyright ©, International Association of Milk, Food and Environmental Sanitarians.
format	JOUR
author	González, H.H.L. Pacin, A. Boente, G. Martínez, E. Resnik, S.
author_facet	González, H.H.L. Pacin, A. Boente, G. Martínez, E. Resnik, S.
author_sort	González, H.H.L.
title	Influence of inoculum preparation and volume on growth of mycotoxigenic molds
title_short	Influence of inoculum preparation and volume on growth of mycotoxigenic molds
title_full	Influence of inoculum preparation and volume on growth of mycotoxigenic molds
title_fullStr	Influence of inoculum preparation and volume on growth of mycotoxigenic molds
title_full_unstemmed	Influence of inoculum preparation and volume on growth of mycotoxigenic molds
title_sort	influence of inoculum preparation and volume on growth of mycotoxigenic molds
url	http://hdl.handle.net/20.500.12110/paper_0362028X_v58_n4_p430_Gonzalez
work_keys_str_mv	AT gonzalezhhl influenceofinoculumpreparationandvolumeongrowthofmycotoxigenicmolds AT pacina influenceofinoculumpreparationandvolumeongrowthofmycotoxigenicmolds AT boenteg influenceofinoculumpreparationandvolumeongrowthofmycotoxigenicmolds AT martineze influenceofinoculumpreparationandvolumeongrowthofmycotoxigenicmolds AT resniks influenceofinoculumpreparationandvolumeongrowthofmycotoxigenicmolds
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Influence of inoculum preparation and volume on growth of mycotoxigenic molds

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