Differential retention of emulsion components in the mouth after swallowing: ATR FTIR measurements of oral coatings

ATR FT-IR spectroscopy was used to investigate the coating that stays behind in the moutii after swallowing mayonnaise samples. Typically, the oil content was found to decrease to an average of 26% (range: 12-40%) of me t=0 value after 2 min, to <13% after 4 min and had practically disappeared from the oral cavity after 10 min. Unexpectedly, the...