Biophysical investigations using atomic force microscopy can elucidate the link between mouthfeel and flavour perception
NATURE FOOD(2024)
Abstract
Food texture, along with taste and odour, is an important factor in determining food flavour. However, the physiological properties of oral texture perception require greater examination and definition. Here we explore recent trends and perspectives related to mouthfeel and its relevance in food flavour perception, with an emphasis on the biophysical point of view and methods. We propose that atomic force microscopy, combined with other biophysical techniques and more traditional food science approaches, offers a unique opportunity to study the mechanisms of mouthfeel at cellular and molecular levels. With this knowledge, food composition could be modified to develop healthier products by limiting salt, sugar, fat and calories while maintaining sensory qualities and consumer acceptance. Mouthfeel occurs at macro, cellular and molecular scales. Biophysical approaches, including atomic force microscopy, offer tools to explore the mechanisms of oral mechanosensation for informing food product development and outlining the definition of flavour.
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