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BS EN ISO 7973:2015

BS EN ISO 7973:2015

Current

Current

The latest, up-to-date edition.

Cereals and milled cereal products. Determination of the viscosity of flour. Method using an amylograph

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

03-31-2016

Publisher

British Standards Institution

European foreword
1 Scope
2 Normative references
3 Definition
4 Principle
5 Reagent
6 Apparatus
7 Sampling
8 Procedure
9 Calculation
10 Precision
11 Test report
Annex A (normative) - Calibration of the amylograph
Annex B (informative) - Results of inter-laboratory test
Annex C (informative) - Bibliography

Applicable to wheat and rye flour and to wheat and rye grain.

This International Standard specifies a method using an amylograph for determining the viscosity of a suspension of flour in water, in which the starch is gelatinized by heating, in order to assess the con­ ditions of gelatinization of the flour and so judge whether there is any alpha-amylase activity. This method is applicable to wheat and rye flour and also to wheat and rye grain. NOTES This International Standard has been prepared on the basis of the Brabender-type amylograph. This method applies strictly to an amylograph and not to a viscograph, since an amylograph possesses the fol­ lowing characteristics: it is possible to change the torque-measuring head; the heating coils are located around the bowl of the apparatus and at the bottom; there is no cooling rod for lowering the gel tempera­ ture.

Committee
AW/4
DevelopmentNote
Supersedes BS 4317-28(1993). (04/2016)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 7973:1992 Identical
EN ISO 7973:2015 Identical

ISO 3093:2009 Wheat, rye and their flours, durum wheat and durum wheat semolina Determination of the falling number according to Hagberg-Perten
ISO 2170:1980 Cereals and pulses Sampling of milled products
ISO 950:1979 Cereals — Sampling (as grain)
ISO 712:2009 Cereals and cereal products — Determination of moisture content — Reference method
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests

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PDF - English
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