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Sensory Evaluation and Consumers’ Willingness to Pay for Quality Protein Maize (QPM) using Experimental Auctions in Rural Tanzania

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  • Kiria, Christine G.
  • Vermeulen, Hester
  • De Groote, Hugo

Abstract

The purpose of this study was to evaluate the sensory characteristics and consumer acceptability of quality protein maize (QPM) in rural Tanzania. Due to the malnutrition problem facing consumers in developing countries, QPM which has almost double the amount of tryptophan and lysine, has been identified as a possible solution to this problem. To know whether consumers will accept QPM, it is vital that its sensory attributes and consumer acceptance tests are carried out. Sensory characteristics were determined using home use testing and central location methods by use of stiff porridge. Three districts were visited and 120 consumers participated in home use testing, whereas 30 respondents participated in the central location testing. At the central location, triangle test was also undertaken to find out if a difference exists between QPM and conventional maize. Additionally, acceptability of QPM was tested using BDM method. Consumer characteristics of QPM were highly appreciated for stiff porridge, a major maize product in East Africa. This was observed both in home use and sensory location testing. Likewise, consumers were willing to pay more for QPM than for conventional maize in all evaluation criteria used. Triangle test showed a significant difference between QPM and conventional maize. Sensory evaluation however needs to be repeated with other QPM varieties to ensure that it is not only a specific QPM variety that has favourable consumer characteristics

Suggested Citation

  • Kiria, Christine G. & Vermeulen, Hester & De Groote, Hugo, 2010. "Sensory Evaluation and Consumers’ Willingness to Pay for Quality Protein Maize (QPM) using Experimental Auctions in Rural Tanzania," 2010 AAAE Third Conference/AEASA 48th Conference, September 19-23, 2010, Cape Town, South Africa 96417, African Association of Agricultural Economists (AAAE).
    • Handle: RePEc:ags:aaae10:96417
    DOI: 10.22004/ag.econ.96417
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    Cited by:

    1. Morawetz, Ulrich B. & De Groote, Hugo & Kimenju, Simon Chege, 2011. "Improving the Use of Experimental Auctions in Africa: Theory and Evidence," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 36(2), pages 1-17, August.
    2. Adewale Oparinde & Abhijit Banerji & Ekin Birol & Paul Ilona, 2016. "Information and consumer willingness to pay for biofortified yellow cassava: evidence from experimental auctions in Nigeria," Agricultural Economics, International Association of Agricultural Economists, vol. 47(2), pages 215-233, March.
    3. Oparinde, Adewale & Birol, Ekin & Murekezi, Abdoul & Katsvairo, Lister & Diressie, Michael & Nkundimana, Jean & Butare, Louis, 2015. "Consumer Acceptance of Biofortified Iron Beans in Rural Rwanda: Experimental Evidence," 2015 Conference, August 9-14, 2015, Milan, Italy 211353, International Association of Agricultural Economists.
    4. Mthokozisi K. Zuma & Unathi Kolanisi & Albert T. Modi, 2018. "The Potential of Integrating Provitamin A-Biofortified Maize in Smallholder Farming Systems to Reduce Malnourishment in South Africa," IJERPH, MDPI, vol. 15(4), pages 1-12, April.

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    Keywords

    Crop Production/Industries; Demand and Price Analysis;

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