期刊
TRENDS IN FOOD SCIENCE & TECHNOLOGY
卷 138, 期 -, 页码 500-510出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tifs.2023.06.019
关键词
Microfluidics; Sensory; Food flavor; Taste; Olfactory; Gut-brain-axis
This article discusses the limited understanding of odor-taste interactions at the molecular levels and their influence on flavor perception. Microfluidic technology has the potential to provide high throughput assays and simulate complex interactions of body organs. Studies have shown that congruency between taste and odor affects the extent to which odor enhances taste perception. Furthermore, cross-modal interactions occur within primary sensory cortices in the brain and previous learning and experience are important factors. The use of microfluidic multichannels allows for separation of macromolecules in samples and offers higher throughput compared to conventional detection methods, making it feasible to establish in vitro sensory models to investigate interactions among flavor components and sensory organs.
Background: There is a limited understanding of odor-taste interactions at the molecular levels about how these interactions influence flavor perception. Microfluidic technology used small volumes of fluids in the microscale channels and chambers. It has the potential to provide high throughput assays as well as manipulate organ-on chips models to simulate the complex interaction of organs in the body.Scope and approach: This review discusses the progress and limitation of psychophysics, electroencephalography, and functional magnetic resonance imaging to investigate odor-induced taste perception. The application of organ-on-chip models of the nasal mucosa, oral cavity, and brain-gut axis with microfluidics is also discussed.Key finding and conclusions: Sensory results showed congruency between taste and odor affected the extent to which odor enhances taste perception. EEG and fMRI demonstrated the cross-modal interactions occur within primary sensory cortices in the brain, but the previous learning and experience are equally important. The multichannel on the microfluidics not only provides an advantage to separate macromolecules in the sample matrix but can also offer higher throughput than conventional item-by-item detection and decreases reagents and sample consumption. It is feasible to establish in vitro sensory models to investigate interactions among flavor components with olfactory/taste receptors, brain, gut, etc.
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