Journal
FOODS
Volume 10, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/foods10092066
Keywords
whey protein; mouthdrying; sensory; mitigating strategies
Categories
Funding
- Volac International Limited
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This study investigated strategies to reduce mouthdrying effects associated with whey protein fortified products. Results showed that increasing lactose and fat levels could significantly suppress mouthdrying, while other strategies had limited effect. Challenges with mitigating whey protein derived mouthdrying were identified, with potential for further research on cross-modal taste suppression and increasing lubrication.
Mouthdrying is commonly associated with whey protein fortified products. Therefore, mitigating strategies could be key to reducing mouthdrying and maximising the benefits from such products. Currently, few studies have successfully mitigated whey protein derived mouthdrying and this paper aims to investigate different strategies to reduce mouthdrying effects. Accordingly, a series of experiments were carried out with a trained sensory panel (n = 11). Two different whey protein food matrices were tested: (a) whey protein beverages (WPB) varying in lactose (0.05-12.4% w/v) and fat (0.9-7.2% w/v) levels and (b) whey protein fortified snacks: cupcakes with differing whey protein concentrate (WPC) powders (standard and heat-stable) and scones with varying fat content (with and without cream topping). Overall results suggested the tested strategies had limited significant effects on whey protein derived mouthdrying. Increasing lactose (9.4% w/v) in WPBs and fat levels (via cream topping) on scones significantly suppressed mouthdrying. However, all other tested strategies (increasing fat in WPBs and heat-stable WPC in cupcakes) had no significant effect on suppressing perceived mouthdrying. This work demonstrates the challenges with mitigating whey protein derived mouthdrying; however, cross-modal taste suppression and increasing lubrication warrant further investigation.
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