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Non-destructive optical methods for evaluating quality attributes of wheat kernels.

Isanka Gimhani1, Cristina M Rosell2, Jitendra Paliwal3

  • 1Department of Biosystems Engineering, University of Manitoba, Winnipeg, Canada; Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Canada.

Advances in Food and Nutrition Research
|September 26, 2025
PubMed
Summary
This summary is machine-generated.

Optical techniques like X-ray micro-CT and hyperspectral imaging offer accurate, non-destructive wheat quality assessment. These advanced methods improve upon traditional evaluations, reducing economic losses and enhancing final product quality for consumers.

Keywords:
CerealsImagingMicrostructureSpectroscopyWheat

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Area of Science:

  • Agricultural Science
  • Food Science and Technology
  • Materials Science

Background:

  • Accurate wheat quality assessment is vital for economic stability and consumer satisfaction.
  • Traditional methods (sprout, insect damage, hardness, nutritional analysis) are often slow, labor-intensive, and subjective.
  • Microstructural analysis offers efficient, accurate, and non-destructive alternatives.

Purpose of the Study:

  • To provide a comprehensive overview of optical techniques for assessing wheat quality.
  • To detail the principles, advantages, limitations, and applications of these advanced methods.
  • To highlight promising techniques like X-ray micro-CT and hyperspectral imaging.

Main Methods:

  • Review of optical techniques for wheat quality assessment.
  • Focus on methods utilizing objective morphometric parameters from surface to internal structure analysis.
  • Specific examination of X-ray micro-computed tomography (X-ray micro-CT) and hyperspectral imaging.

Main Results:

  • Optical techniques provide efficient, accurate, and non-destructive alternatives to traditional wheat quality assessments.
  • X-ray micro-CT and hyperspectral imaging show significant potential for precise wheat quality evaluation.
  • Advancements in other grains can inform and enhance wheat quality assessment methodologies.

Conclusions:

  • Adoption of optical techniques enables more precise and non-destructive wheat quality control.
  • These advanced methods can significantly improve overall product quality.
  • Implementing these techniques will ultimately lead to reduced economic losses in the wheat industry.