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INFLUENCE OF CHEMOSENSORY IMPAIRMENT ON INTAKE AND LIKING OF A FUNCTIONAL DRINK IN UNDERNOURISHED INSTITUTIONALIZED ELDERLY PEOPLE

C. Arganini, L.M. Donini, M. Peparaio, F. Sinesio

J Aging Res Clin Practice 2014;3(1):19-23

Background: Age-related chemosensory impairments (i.e., reduction of taste and smell acuity) affect a large proportion of the population older than 65 years. These conditions can affect overall health, quality of life and influence food appreciation and intake. The knowledge about the relation between chemosensory perception and hedonic food liking in older people might facilitate the development of effective strategies aiming to improve their nutritional wellbeing. Objectives: The key objective of this study is to test the influence of a sensory compensatory strategy on liking and intake of a functional red fruit drink in undernourished nursing home elderly people. Design: The research consisted of three main phases. In the first step the enrolled subjects were classified on the basis of their taste and olfaction sensitivity; in the second step the sensory compensatory strategy, aiming to counteract age-associated sensory losses and increase product pleasantness, was identified; the last step consisted of 14 days of exposure to each drink variant (standard and enhanced) to observe the effects of sensory modifications on liking and intake. Setting: “Villa delle Querce” Clinical Rehabilitation Institute of Nemi (Rome- Italy). Participants: 76 elderly people (64-97 years). Results: Overall the prevalence of measured chemosensory impairments in this sample of institutionalized older adults was very high (81%). The sensory modification strategy did influence significantly neither the intake nor liking in the elderly people. Consistent with the findings of previous studies (3, 6, 24, 25) no significant correlation was found between sensory capabilities and hedonic responses. Conclusion: These findings highlight that, in accordance to other studies (2, 3, 6-8), the role of sensory compensatory strategies in increasing products appreciation and intake of institutionalized elderly people have been overestimated.

CITATION:
C. Arganini ; L.M. Donini ; M. Peparaio ; F. Sinesio (2014): INFLUENCE OF CHEMOSENSORY IMPAIRMENT ON INTAKE AND LIKING OF A FUNCTIONAL DRINK IN UNDERNOURISHED INSTITUTIONALIZED ELDERLY PEOPLE . The Journal of Aging Research and Clinical Practice (JARCP). http://dx.doi.org/10.14283/jarcp.2014.4

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