Influence of wheat meal variability upon compacting behaviour during pelleting

The influence of wheat meal variability on its compacting behaviour has been studied. Seventeen samples of wheat, identified according to their origin and their supplier, were ground in the same conditions and characterised both by near-IR reflectance spectroscopy (NIRS) and a compression test. The...

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Bibliographic Details
Published in:Animal feed science and technology 1995-02, Vol.51 (3), p.255-268
Main Authors: Nathier-Dufour, Nathalie, Angue, Yasmine, Devaux, Marie-Francoise, Bertrand, Dominique, de Monredon, F.Le Deschault
Format: Article
Language:English
Subjects:
Agricultural sciences
ALIMENT POUR ANIMAUX
Animal production studies
Animal productions
Biological and medical sciences
Compacting behaviour
DENSIDAD
DENSITE
DENSITY
FARINE DE BLE
Feed and pet food industries
FEEDS
Food industries
Fundamental and applied biological sciences. Psychology
GROSSEUR DES PARTICULES
HARINA DE TRIGO
Life Sciences
PARTICLE SIZE
PELLETAGE
PELLETING
PIENSOS
PILDORACION
TAMANO DE LA PARTICULA
Terrestrial animal productions
Vertebrates
WHEAT FLOUR
Wheat meal
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Summary:The influence of wheat meal variability on its compacting behaviour has been studied. Seventeen samples of wheat, identified according to their origin and their supplier, were ground in the same conditions and characterised both by near-IR reflectance spectroscopy (NIRS) and a compression test. The NIRS technique was used to determine the chemical and particle size variability. A laboratory press was used to characterise the compacting behaviour of the meal. The study of the relationships between the variability and the compacting behaviour of the wheat meals has been performed by using a multivariate statistical treatment called canonical correlation analysis (CCA). The only chemical information that was highlighted by CCA was the water content. The water improved the meal compression by decreasing the force corresponding to the yield point of plasticity. The water influence has been observed from a low variation range of the moisture content (from 11 to 12.8%). Difference in particle size had no significant effect on the compacting behaviour.
ISSN:0377-8401
1873-2216
DOI:10.1016/0377-8401(94)00691-2