Agricultural Product Standards Act, 1990 (Act No. 119 of 1990)

Regulations

Regulations relating to the Grading, Packing and Marking of Bread Wheat intended for sale in the Republic of South Africa

Part V : Determination of Class, Hectolitre Mass, Moisture Content, Protein Content and Falling Number

16. Determination protein content
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The percentage of protein of a consignment of wheat may be determined according to any suitable method: Provided that—

(a) the determination shall be conducted on a sample which had been sifted using a screen with the same apertures as the standard sieve and from which other grain, unthreshed ears and foreign matter had been removed by hand; and
(b) the results thus obtained are in accordance (± 0,3 percent ) with the results obtained by the Dumas Combustion Analysis Method [the latest revision of the AACCI (American Association of Cereal Chemists International) Method 46-30].