BS EN ISO 7973:2015
Current
The latest, up-to-date edition.
Cereals and milled cereal products. Determination of the viscosity of flour. Method using an amylograph
Hardcopy , PDF
English
31-03-2016
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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.
| Committee |
AW/4
|
| DevelopmentNote |
Supersedes BS 4317-28(1993). (04/2016)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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.
| 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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