Using the Minolta Chroma Meter Test: 1. A sample of flour/whole meal/grain is placed on the granular materials attachment and compacted; 2. The Minolta Chroma Meter is inserted into the granular materials attachment; 3. Measurements are taken and recorded; 4.Color results are reported in terms of 3-dimensional color values based on the following rating scale: L* value whiteness: 100 white, 0 black; a* value positive +60 red color, negative values -60 green color; b* value positive +60 yellow color, negative values -60 blue color; 5. Flour yellowness classification in classes according the b value (Minolta chromameter) as white (b<12.5), light-yellow (b=12.5-15) or yellow (b>15).
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CO_321:0000847 wheat flryellcls measurement method