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Evaluation des périodes d'entreposage sûres pour l'orge de malterie grâce à l'utilisation d'un modèle de production de chaleur basée sur des expériences sur la respiration.

Estimation of safe storage periods for malting barley using a model of heat production based on respiration experiments.

Auteurs : JACOBSEN E. E., FLEURAT-LESSARD F.

Résumé

The respiration of grain is closely associated with heat production that mainly resulted from the combination of unfavourable storage conditions (temperature and moisture content). In addition, temperature and moisture content are the prime factors affecting the germinative capacity of malting barley. The possibility of describing the respiration of malting barley by way of a mathematical model based on these two measurable factors is investigated. The effects of temperature (range 10-39°C) and moisture content (range 15-25% wet basis) (converted to water activity) on the respiration of barley is also investigated experimentally. A mathematical model based on the two controlled variables is developed from the experimental data for the estimation of oxygen consumption and carbon dioxide production.

Détails

  • Titre original : Estimation of safe storage periods for malting barley using a model of heat production based on respiration experiments.
  • Identifiant de la fiche : 2006-3002
  • Langues : Anglais
  • Source : Advances in stored product protection. Proceedings of the 8th International Working Conference on Stored Product Protection.
  • Date d'édition : 22/07/2002

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