NF EN ISO 21415-2
Wheat and wheat flour - Gluten content - Part 2 : determination of wet gluten by mechanical means
ISO 21415-2:2006 specifies a method for the determination of the wet gluten content of wheat flour (Triticum aestivum L. and Triticum durum Desf.) by mechanical means. This method is directly applicable to flour. It is also applicable to semolina and wheat after grinding, if their particle size distribution meets the specification given.
ISO 21415-2:2006 specifies a method for the determination of the wet gluten content of wheat flour (Triticum aestivum L. and Triticum durum Desf.) by mechanical means. This method is directly applicable to flour. It is also applicable to semolina and wheat after grinding, if their particle size distribution meets the specification given.
<p>ISO 21415-2:2015 specifies a method for determining the content of wet gluten and the gluten index for wheat flours (Triticum aestivum L. and Triticum durum Desf.) by mechanical means. This method is directly applicable to flours. It also applies to common and durum wheat after grinding, if their particular size distribution meets the specification given in Table B.1.</p>
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Principe2
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5 Réactifs2
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6 Appareillage2
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7 Échantillonnage3
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8 Préparation de l'échantillon3
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9 Mode opératoire3
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9.1 Généralités3
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9.2 Prise d'essai3
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9.3 Préparation de la pâte4
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9.4 Lavage de la pâte4
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9.5 Essorage et pesée du gluten4
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9.6 Nombre de déterminations5
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10 Calculs et expression des résultats5
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11 Fidélité5
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11.1 Essais inter-laboratoires5
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11.2 Répétabilité5
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11.3 Reproductibilité6
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12 Rapport d'essai6
- Annexe A (informative) Chambre de lavage, fraseur de l'appareil Glutomatic et centrifugeuse7
- Annexe B (normative) Préparation du blé broyé9
- Annexe C (informative) Résultats d'un essai interlaboratoires10
- Bibliographie11
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