ISO-3093 › Historical Revision Information
Cereals -- Determination of falling number

ISO-3093 - 2ND EDITION - SUPERSEDED
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ISO 3092:2009 specifies the determination of the alpha-amylase activity of cereals by the falling number (FN) method according to Hagberg-Perten.

This method is applicable to cereal grains, in particular to wheat and rye and their flours, durum wheat and its semolina.

This method is not applicable to the determination of low levels of alpha-amylase activity.

By converting the FN 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 FNs necessary to produce a sample of a required FN.

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67.060 (Cereals, pulses and derived products Including grains, corn, flours, baked products, etc.)

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Document Number

ISO 3093:1982

Revision Level

2ND EDITION

Status

Superseded

Publication Date

Feb. 15, 1982

Committee Number

ISO/TC 34/SC 4