Effect of sodium metabisulfite pretreatment on micrographs, surface roughness and X-ray diffraction analyses of solar dried potato cylinders

This research is focused on studying the effect of pretreatment on surface and microstructural properties of solar dried potato cylinders. These properties will help in understanding the quality changes during drying and hence will be essential for enabling better process control and improvement in the product appearance by optimizing the pretreatment and drying parameters. Therefore, it is important for food industry to expedite practical applications of solar drying in food process engineering.