: Edible mushrooms are attractive for their low calorie content, high-quality protein, low lipid levels, and therapeutic properties; furthermore, mushroom-containing products are gaining interest in light of the world's increasing need for protein source diversification to meet the global protein demand. At present, there is a strong heterogeneity worldwide in terms of mushroom consumption and, to date, few surveys exist on the factors influencing this. This review, through the PICo and PRISMA statements, identified and analysed 31 papers to answer the question: What are the determinants that drive consumers towards the consumption and purchase of edible mushrooms and novel products containing mushrooms? The expected outcome is to provide an overview of key research issues used thus far, identify current research gaps, and discuss implications for industries and policy-makers. Consumer attitude - including fear of poisoning - towards innovative mushroom-containing products has been poorly analysed in Europe and USA; what we do know is that processed mushrooms appeared more attractive to European and American mainlanders. Few studies have considered the ethnicity of participants, which is an important factor since mushrooms and their culinary applications appear to be known mainly thanks to family tradition. New strategies are needed to increase people's familiarity with these products and to contrast neophobic phenomena. If mushroom price is an obstacle for both companies and purchasers, intrinsic characteristics such as umami taste and positive health and sustainability benefits are strengths to consider in the development of the supply chain, public education, and information initiatives. This should be useful in directing consumer preferences towards meat alternatives containing mushrooms.
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