Media for detecting and enumerating yeasts and moulds

Beuchat, Larry R.

doi:10.1016/0168-1605(92)90112-g

Cited by 55 publications

(28 citation statements)

References 37 publications

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“…Wheat haulms alone are a very poor substrate, which represents an oligotrophic stress condition. Nutrient availability plays a significant role in fungal physiology and the production of secondary metabolites as mycotoxins (Filtenborg et al 1990;Frisvad et al 1992;Beuchat, 1995). Results achieved on rice confirmed the ability of T. gamsii 6085 to antagonize F. graminearum and F. culmorum, whose biomass, in the presence of Trichoderma, was lower than the control, and DON production was reduced by almost 99 %.…”

Section: Discussionmentioning

confidence: 53%

Biocontrol of Fusarium head blight: interactions between Trichoderma and mycotoxigenic Fusarium

et al. 2012

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Section: Discussionmentioning

confidence: 53%

Biocontrol of Fusarium head blight: interactions between Trichoderma and mycotoxigenic Fusarium

et al. 2012

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“…The combined effect of medium water activity (a w ) modified atmosphere influenced on the conditional germination of different genus of moulds [3,5]. A number of techniques for the enumeration and identification of viable mould propagules in the indoor air of houses were researched …”

Section: Resultsmentioning

confidence: 99%

“…Mould was carried out according to their micromorphological properties using mould determination keys [3,4,9,11,12].…”

Section: Methodsmentioning

confidence: 99%

Moulds Associated With Milk Depending on Macroclimate and Geographical Location

Pešić-Mikulec¹

2005

Appl Ecol Env Res

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“…23 Typically, yeasts exhibited cream-coloured to white colonies and moulds appeared as filamentous colonies of various colours.…”

Section: Yeasts and Mouldsmentioning

confidence: 99%

Microbial counts of food contact surfaces at schools depending on a feeding scheme

2014

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The prominence of disease transmission between individuals in confined environments is a concern, particularly in the educational environment. With respect to school feeding schemes, food contact surfaces have been shown to be potential vehicles of foodborne pathogens. The aim of this study was to assess the cleanliness of the surfaces that come into contact with food that is provided to children through the National School Nutrition Programme in central South Africa. In each school under study, microbiological samples were collected from the preparation surface and the dominant hand and apron of the food handler. The samples were analysed for total viable counts, coliforms, Escherichia coli, Staphylococcus aureus and yeasts and moulds. The criteria specified in the British Columbia Guide for Environmental Health Officers were used to evaluate the results. Total viable counts were high for all surfaces, with the majority of colonies being too numerous to count (over 100 colonies per plate). Counts of organisms were relatively low, with 20% of the surfaces producing unsatisfactory enumeration of S. aureus and E. coli and 30% unsatisfactory for coliforms. Yeast and mould produced 50% and 60% unsatisfactory counts from preparation surfaces and aprons, respectively. Statistically significant differences could not be established amongst microbial counts of the surfaces, which suggests cross-contamination may have occurred. Contamination may be attributed to foodstuffs and animals in the vicinity of the preparation area rather than to the food handlers, because hands had the lowest counts of enumerated organisms amongst the analysed surfaces. IntroductionThe National School Nutrition Programme (NSNP) is a South African school feeding scheme aimed at alleviating poverty and improving learning capacity of children through school feeding.1,2 The feeding scheme was introduced nationwide in 1994 and is funded through a provisional grant that is transferred to provinces according to the Division of Revenue Act as well as directives from the Department of Basic Education (DBE) and the National Treasury (Grant Framework 2010/11).3,4 The DBE coordinates and oversees the programme, ensuring adherence to policies and relevant legislation through monitoring. The Provincial Education Departments are tasked with the procurement of goods and services for the NSNP while adhering to conditions stipulated by the Grant Framework. 3,4Ntuli 5 explains that schools are funded according to a national system of ranking and funding of schools referred to as a quintile. The DBE ranks schools within quintiles according to this system, taking into account the socio-economic circumstances (such as inequality and poverty) of learners and schools. For example, schools rated at the lowest quintiles (1 and 2) receive more funding than schools ranked higher based on the Norms and Standards for Funding Schools. 5 The schools targeted for the NSNP are primary and secondary schools ranked in quintiles 1 to 3. 3Similarly to other confined environments, th...

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Media for detecting and enumerating yeasts and moulds

Cited by 55 publications

References 37 publications

Biocontrol of Fusarium head blight: interactions between Trichoderma and mycotoxigenic Fusarium

Biocontrol of Fusarium head blight: interactions between Trichoderma and mycotoxigenic Fusarium

Moulds Associated With Milk Depending on Macroclimate and Geographical Location

Microbial counts of food contact surfaces at schools depending on a feeding scheme

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