Simultaneous Real-Time Measurements of Mastication, Swallowing, Nasal Airflow, and Aroma Release

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• 作者：M. Hodgson ; R. S. T. Linforth ; and A. J. Taylor
• 刊名：Journal of Agricultural and Food Chemistry
• 出版年：2003
• 出版时间：August 13, 2003
• 年：2003
• 卷：51
• 期：17
• 页码：5052 - 5057
• 全文大小：107K
• 年卷期：v.51,no.17(August 13, 2003)
• ISSN：1520-5118

文摘

Mastication, swallowing, breath flow, and aroma release were measured simultaneously in vivo usingelectromyography, electroglottography, a turbine air flow meter, and the MS-Nose, respectively. Signalswere synchronized either electronically or by aligning the nasal airflow data with the breath by breathrelease of acetone. Chewing affected nasal airflow, with the flow fluctuations following the masticationpattern. Data analysis suggested that air was pumped out of the mouth into the throat with eachchew, and the mean volume was 26 mL. Aroma release was associated with the pulses of air pumpedfrom the mouth with each chew. During swallowing, there was no nasal airflow, but after swallowing,aroma release was evident. The volume of the retronasal route was estimated at 48 mL whenswallowing and 72 mL when samples were chewed. The combination of techniques shows the effectsof physiological processes on aroma release.Keywords: EMG; EGG; Laryngograph; nasal airflow; API-MS; MS-Nose