Evaluation of the sensory properties of thickened and protein-enhanced ice cream using check-all-that-apply and temporal check-all-that-apply. 2023

Rachael Moss, and Mackenzie Gorman, and Jeanne LeBlanc, and Christopher Ritchie, and Taylor K McDowell, and Judith Lowe, and Laurel Ettinger, and Matthew B McSweeney
School of Nutrition and Dietetics, Acadia University, Wolfville, Nova Scotia, Canada.

Ice cream formulations with varying amounts of added whey protein were created for those living with dysphagia in long-term care facilities (LTCs) to improve protein and fluid intake. The samples of thickened ice cream included a control (0% whey protein [WP]) and formulations with 6% (6WP), 8% (8WP), 10% (10WP), 12% (12WP) and 14% (14WP) added whey protein by volume. The consistency of the samples was assessed using the International Dysphagia Diet Standardization Initiative (IDDSI) Spoon Tilt Test, a sensory trial (n = 102) using hedonic scales and check-all-that-apply (CATA) and another sensory trial (n = 96) using temporal check-all-that-apply (TCATA). The whey protein increased the acceptability of the thickened ice cream except for the 12WP and 14WP formulations. The formulations with higher amounts of whey protein were associated with bitterness, custard/eggy flavor, and mouthcoating. The TCATA identified that the addition of whey protein led to slippery, gritty, and grainy attributes being perceived in the thickened ice cream. The study identified that 10% whey protein by volume can be added to thickened ice cream without impacting its' acceptability and the 6WP, 8WP, and 10WP formulations were liked significantly more than the control (without whey protein).

UI MeSH Term Description Entries
D007054 Ice Cream A frozen dairy food made from cream or butterfat, milk, sugar, and flavorings. Frozen custard and French-type ice creams also contain eggs. Cream, Ice,Creams, Ice,Ice Creams
D003680 Deglutition Disorders Difficulty in SWALLOWING which may result from neuromuscular disorder or mechanical obstruction. Dysphagia is classified into two distinct types: oropharyngeal dysphagia due to malfunction of the PHARYNX and UPPER ESOPHAGEAL SPHINCTER; and esophageal dysphagia due to malfunction of the ESOPHAGUS. Dysphagia,Swallowing Disorders,Esophageal Dysphagia,Oropharyngeal Dysphagia,Deglutition Disorder,Disorders, Deglutition,Dysphagia, Esophageal,Dysphagia, Oropharyngeal,Swallowing Disorder
D005524 Food Technology The application of knowledge to the food industry. Technology, Food,Food Sciences,Food Science,Science, Food,Sciences, Food
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000067816 Whey Proteins The protein components of milk obtained from the whey. Whey Protein,Protein, Whey,Proteins, Whey
D013649 Taste The ability to detect chemicals through gustatory receptors in the mouth, including those on the TONGUE; the PALATE; the PHARYNX; and the EPIGLOTTIS. Gustation,Taste Sense,Gustations,Sense, Taste,Senses, Taste,Taste Senses,Tastes

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