Impact of ultrasonication applications on color profile of foods.

Food color is a feature that provides preliminary information about their preference or consumption. There are dominant pigments that determine the color of each food; the most important pigments are anthocyanins (red-purple color), chlorophylls (green color), carotenoids (yellow-orange color), and betalains (red color). These pigments can be easily affected by temperature, light, oxygen, or pH, thereby altering their properties. Therefore, while processing, it is necessary to prevent the deterioration of these pigments to the maximum possible extent. Ultrasonication, which is one of the emerging non-thermal methods, has multidimensional applications in the food industry. The present review collates information on various aspects of ultrasonication technology, its mechanism of action, influencing factors, and the competence of different ultrasonication applications (drying, irradiation, extraction, pasteurization, cooking, tempering, etc.) in preserving the color of food. It was concluded that ultrasonication treatments provide low-temperature processing at a short time, which positively influences the color properties. However, selecting optimum ultrasonic processing conditions (frequency, power, time, etc.) is crucial for each food to obtain the best color. The key challenges and limitations of the technique and possible future applications are also covered in the paper, serving as a touchstone for further research in this area. Copyright © 2022 The Authors. Published by Elsevier B.V. All rights reserved.

Citation

Naciye Kutlu, R Pandiselvam, Aybike Kamiloglu, Irem Saka, N U Sruthi, Anjineyulu Kothakota, Claudia Terezia Socol, Cristina Maria Maerescu. Impact of ultrasonication applications on color profile of foods. Ultrasonics sonochemistry. 2022 Sep;89:106109

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PMID: 35939925

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