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The effect of nutrient fortification of sauces on product stability, sensory properties and subsequent liking by older adults

Tsikritzi, R., Wang, J., Collins, V. J., Allen, V. J., Mavrommatis, Y., Moynihan, P. J., Gosney, M. A., Kennedy, O. B. ORCID: and Methven, L. (2015) The effect of nutrient fortification of sauces on product stability, sensory properties and subsequent liking by older adults. Journal of Food Science, 80 (5). S1100-S1110. ISSN 0022-1147

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To link to this item DOI: 10.1111/1750-3841.12850


There are potential nutritional and sensory benefits of adding sauces to hospital meals. The aim of this study was to develop nutrient fortified sauces with acceptable sensory properties suitable for older people at risk of under-nutrition. Tomato, gravy and white sauce were fortified with macro and micro-nutrients using food ingredients rich in energy and protein as well as vitamin and mineral premixes. Sensory profile was assessed by a trained panel. Hedonic liking of fortified compared with standard sauces was evaluated by healthy older volunteers. The fortified sauces had higher nutritional value than the conventional ones, for example the energy content of the fortified tomato, white sauce and gravy formulations were increased between 2.5 and 4 fold compared to their control formulations. Healthy older consumers preferred the fortified tomato sauce compared with unfortified. There were no significant differences in liking between the fortified and standard option for gravy. There were limitations in the extent of fortification with protein, potassium and magnesium, as excessive inclusion resulted in bitterness, undesired flavours or textural issues. This was particularly marked in the white sauce to the extent that their sensory characteristics were not sufficiently optimised for hedonic testing. It is proposed that the development of fortified sauces is a simple approach to improving energy intake for hospitalised older people, both through the nutrient composition of the sauce itself and due to the benefits of increasing sensorial taste and lubrication in the mouth.

Item Type:Article
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy > Department of Food and Nutritional Sciences > Food Research Group
ID Code:39480
Uncontrolled Keywords:malnutrition, micronutrient, macronutrient, fortification, older people


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