Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Willingness to Purchase Selenium- and Iodine-Biofortified Apples – A Discrete Choice Analysis with German Consumers

Version 1 : Received: 12 March 2021 / Approved: 15 March 2021 / Online: 15 March 2021 (11:34:41 CET)

How to cite: Kleine-Kalmer, R.; Profeta, A.; Daum, D.; Enneking, U. Willingness to Purchase Selenium- and Iodine-Biofortified Apples – A Discrete Choice Analysis with German Consumers. Preprints 2021, 2021030371 (doi: 10.20944/preprints202103.0371.v1). Kleine-Kalmer, R.; Profeta, A.; Daum, D.; Enneking, U. Willingness to Purchase Selenium- and Iodine-Biofortified Apples – A Discrete Choice Analysis with German Consumers. Preprints 2021, 2021030371 (doi: 10.20944/preprints202103.0371.v1).

Abstract

Selenium and iodine are essential micronutrients for humans. They are often deficient in food supply due to low phytoavailable concentrations in soil. Agronomic biofortification of food crops is one approach to overcome micronutrient malnutrition. This study focused on German consumers’ willingness to purchase selenium- and/or iodine-biofortified apples. For this purpose, an online survey was carried out. In this context, consumers were asked to choose their most preferred apple product from a set card of product alternatives (Discrete Choice Experiment). The multinomial logit model results demonstrated that German consumers’ have a preference in particular for iodine-biofortified apples. Furthermore, apple choice was mainly influenced by price, health claims, and plastic-free packaging material. Viewed individually, selenium did not exert an effect on product choice whereas positive interactions between both micronutrients exist.

Subject Areas

biofortification; discrete choice; fruits; health claims; micronutrients

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