Official Grain Grading Guide

Soybeans: Special analyses

Classes, types and varieties
Determination of commercially clean
Determination of dockage
Grading
Grading factors
Special analyses
Primary and export grade determination tables
Export shipments

Chapter 20. Soybeans (PDF, 809 KB)

Upon request, samples may be analyzed for other factors. The shipper of the soybeans indicates which factors are to be analyzed and which sieves to use.

Hilum colour (white hilum)

Hilum colour is not a grading factor.

Handpick a representative portion of not less than 100 g of the cleaned sample to determine the percentage by weight of hilum colour.

Sizing

Analyse a representative portion of not less than 500 g of the cleaned sample. The shipper specifies the sieve size.

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2026-08-01

Soybeans: Special analyses

Hilum colour (white hilum)

Sizing

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