outbreaks related to fruits and vegetables have been reported being lettuce one of the most contaminated. Peracetic acid (PA) at 50 mg/L, sodium dichloroisocyanurate (SD) at 100 mg/L, and the combination of SD at 100 mg/L and babaçu coconut () oil detergent at 100 mg/L were applied to fresh lettuce. Natural contaminant microbiota, physicochemical characteristics, and sensory attributes were evaluated. PA and SD reduced mesophilic aerobic counts by 2.1 and 1.5 log cfu/g, respectively. The most efficient treatment in reducing natural microbiota (i.e., PA) was applied alone and in combination with ultrasound (US). It reduced Typhimurium counts to undetectable levels (< 1 log cfu/g). US further reduced Typhimurium counts by 0.6 log cfu/g in relation to PA, treatment which lessened the pH but increased the titratable acidity of lettuce, but did not cause total color difference. Therefore, the combination of PA and US holds a potential industrial application for sanitization purposes.
Summary
This study aimed to determine whether five types of beverage, milk (3.3% fat), oolong tea, tomato juice, sparkling water and spring water, reduce the residual spiciness elicited by eating spicy chicken over time. After tasting a piece of spicy popcorn chicken, participants were asked to drink one of five beverages one after another and rate the spiciness intensity using the time‐intensity (TI) analysis. Based on the TI parameters, milk was found to be the best beverage to reduce residual spiciness of spicy chicken over time. Participants rated milk the most effective in decreasing residual spiciness of spicy chicken. Partial least squares regression revealed that the three TI parameters, area under the curve, decreasing area and increasing area, are the best predictors of the self‐reported ratings for spiciness‐reduction effect of individual beverages. In conclusion, this study shows that milk (3.3% fat) can be used as a palate cleanser for spicy chicken.
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