Measurement of flour/whole meal/grain color with the Minolta chromameter, L value represents whiteness, a* value (reddishness) represents red and green colors and b* value (yellowness) represents yellow and blue colors. 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.
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CO_321:0000400 wheat minolta chroma meter test method