ISO 3093:2004
Withdrawn
View Superseded by
Wheat, rye and respective flours, durum wheat and durum wheat semolina — Determination of the Falling Number according to Hagberg-Perten
Hardcopy , PDF
07-27-2004
04-09-2025
ISO 3093:2004 describes the determination of the alpha-amylase activity of cereals by the Falling Number method according to Hagberg-Perten.
This method is applicable to cereal grains, in particular to wheat and rye and their respective flours, durum wheat and its semolina. For the purposes of ISO 3093:2004, the term "flour" includes semolina and ground grain (wholemeal), the particle sizes of which are defined.
This method is not applicable for the determination of low levels of alpha-amylase activity, which can be carried out in accordance with ISO 7973.
By converting the Falling Number into a Liquefaction Number (LN), it is possible to use this method to estimate the composition of mixtures of grain, flour or semolina with known Falling Number values necessary to produce a sample of a required Falling Number.
| Committee |
ISO/TC 34/SC 4
|
| DocumentType |
Standard
|
| Pages |
13
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| BS EN ISO 3093:2007 | Identical |
| UNE-EN ISO 3093:2007 | Identical |
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