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Comparing the Effect of Continuous Drying and Drum Drying on Fungal Contamination of Bread Grain Organic Eprints
Elmholt, S.; Kristensen, E.F.; Thrane, U..
This Research Note concludes that both drum drying and ordinary continuous drying efficiently dry the grain but that drum drying is much more efficient in reducing the number of surface dwelling fungal propagules on the grain, both yeasts and filamentous fungi. This includes the toxigenic species, Fusarium culmorum, as well as other fusaria. It also includes the dark filamentous fungi, Alternaria infectoria and Cladosporium spp. Both drying techniques seemed to stimulate growth of Eurotium spp., probably due to heat activation of ascospore germination.
Tipo: Journal paper Palavras-chave: Food security; Food quality and human health Post harvest management and techniques.
Ano: 2006 URL: http://orgprints.org/8613/1/8613.doc
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High-temperature treatment for efficient drying of bread rye and reduction of fungal contaminants Organic Eprints
Kristensen, E.F.; Elmholt, S.; Thrane, U..
Mycotoxin producing fungi are natural contaminants of cereals and their toxins are harmful to humans and animals. Ochratoxin A (OTA) is among the most important. Heat treatment by drum drying does not eliminate already formed mycotoxins but the technique can reduce the number of viable fungi on the grain. The aim of this study was to establish a drying regime that kills fungal propagules on rye without reducing its quality for baking. Special attention was paid to some important mycotoxin producing species. As drying temperatures and retention time in the drum are essential, the drum drier must be equipped with an effective control unit. Two different control systems were tested. The results showed that fungi colonising the grain can be much more...
Tipo: Journal paper Palavras-chave: Crop health; Quality; Protection Post harvest management and techniques Cereals; Pulses and oilseeds.
Ano: 2005 URL: http://orgprints.org/3327/1/3327.pdf
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