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Development of a locally sustainable functional food for people living with HIV in Sub-Saharan Africa: laboratory testing and sensory evaluation

In: Beneficial Microbes
Authors:
A. Van Tienen 1Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, P.O. Box 2040, 3000 CA Rotterdam, the Netherlands

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Y.M. Hullegie 1Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, P.O. Box 2040, 3000 CA Rotterdam, the Netherlands

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R. Hummelen 1Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, P.O. Box 2040, 3000 CA Rotterdam, the Netherlands
2Lawson Health Research Institute, Canadian Research & Development Centre for Probiotics, 268 Grosvenor St., N6A 4V2 London, ON, Canada
rubenhummelen@gmail.com

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J. Hemsworth 2Lawson Health Research Institute, Canadian Research & Development Centre for Probiotics, 268 Grosvenor St., N6A 4V2 London, ON, Canada
4Division of Food and Nutritional Sciences, Brescia University College at The University of Western Ontario, 1285 Western Road, N6G 1H2 London, ON, Canada

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J. Changalucha 3National Institute for Medical Research, Mwanza Research Centre, Isamilo Road, P.O. Box 1462, Mwanza, Tanzania

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G. Reid 2Lawson Health Research Institute, Canadian Research & Development Centre for Probiotics, 268 Grosvenor St., N6A 4V2 London, ON, Canada
5Departments of Microbiology Immunology and Surgery, University of Western Ontario, 1151 Richmond Street, N6A 3K7 London, ON, Canada

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Abstract

The use of Lactobacillus rhamnosus GR-1 and micronutrients has been associated with a preserved immune function among people living with HIV. However, use of these products in the developing world remains limited due to the lack of facilities for production. We describe the development of a yogurt with L. rhamnosus GR-1 at >7×107 colony forming units fortified with locally grown Moringa oleifera leaves at 20% of the recommended daily allowance of vitamin A. The product was made by preparing a thin paste of Moringa which was then incubated with 4% probiotic and 2% yogurt mother culture in milk for 6 hours. The addition of M. oleifera enhanced the survival of probiotic bacteria in yogurt during the shelf life period at 5 °C (P=0.02), but had no effect on probiotic survival at 21 °C. While the sensory characteristics of probiotic and non-probiotic supplemented Moringa yogurts were indistinguishable, the addition of Moringa reduced consumer acceptance compared to regular yogurt.

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