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Original Articles

A Comparative Analysis of Colour Measurements of the Seed Coat and Endosperm of Wheat Kernels Performed by Various Techniques

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Pages 75-89 | Received 26 Sep 2007, Accepted 06 May 2008, Published online: 07 Jul 2010
 

Abstract

The results of this present studies show that the colour of the seed coat of wheat kernels can be determined by digital image analysis (DIA) instead of spectrophotometry. High linear correlations (p < 0.05) were found between colour measurements of the seed coat performed by these techniques. The colour on the cross-sections of wheat kernels was related to the colour of their seed coat. A high correlation was also observed between the colour of the seed coat and the colour of the endosperm of wheat kernels. In all measurements colour was described by the RGB, XYZ, and L*a*b* models. Colour indices, i.e. hue (h0) and saturation (S*) were also calculated.

ACKNOWLEDGMENTS

The author is grateful to Tomasz Bulge, Tomasz Kawałko and Marcin Pokojski for their help in preparing the experimental materials. The authors are grateful for the financial support provided by the Ministry of Scientific Research within the framework of grant no. P06T 046 29.

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