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Consumer perception of snack sausages enriched with umami-tasting meat protein hydrolysates

Kessler, Fabienne, Nielsen, Mathias Boe Riisgaard, Tøstesen, Marie, Duelund, Lars, Clausen, Mathias P., Giacalone, Davide
Meat science 2019 v.150 pp. 65-76
amino acids, consumer acceptance, consumer attitudes, elderly, hydrolysates, ingredients, meat, meat protein, muscles, protein hydrolysates, protein intake, sausages, sensory properties
Adequate protein intake is necessary to maintain muscle mass and function. Nutritionally dense(r) products are increasingly sought after by consumers that need a heightened protein intake, such as active young and elderly individuals. This paper focuses on functional snack sausages enriched with umami-tasting meat protein hydrolysates (MPH), developed by systematically varying in recipe, meat type and MPH content. A consumer study (N = 100) was conducted where young and elderly consumers evaluated perceived acceptability and sensory quality of samples. Additionally, textural (Warner–Braztler shear test) and chemical (amino acids) analyses on the same samples were conducted to give a complete characterization of the functionality of the hydrolysates. Both the consumer test and the instrumental analyses consistently indicated that the enrichment with MPH had minor or no influence on the perceptual quality of the sausages, suggesting that this ingredient can be added to increase the nutritional density of a reference meat product without negatively affecting consumer acceptability.