Safety and Nutritional Risks Associated with Plant-Based Meat Alternatives

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Abstract

The market for plant-based meat alternatives is growing to meet consumer demands for a more sustainable, ethical, and healthy diet, as well as to address global food security issues linked to an increasing global population and climate change. Increased consumption of plant-based meat products raises questions about potential food safety risks, including concerns about allergenicity, toxicity, foodborne pathogens, and adequate nutritional composition. From a public health perspective, there has been limited research on the nutritional and health aspects of plant-based meat products, and studies of potential food safety risks of these novel protein sources are not well documented. Much of the research on the nutrition and safety of these foods has been commissioned or funded by companies developing these products, or by other organizations promoting them. This article reviews the existing literature and analyses the potential food safety and health risks associated with plant-based meat products, including nutritional, chemical, microbiological, and allergen concerns. This review has revealed several research gaps that merit further exploration to inform the conversation around the future development and commercialization of plant-based meat substitutes. Further research, technological advancements, food standards, and risk assessment and a multidisciplinary approach are essential to address safety concerns and facilitate the responsible use of new-generation plant-based meat alternatives, particularly for emerging foods with limited knowledge of their risks and benefits.

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The UN Decade of Nutrition, the NOVA food classification and the trouble with ultra-processing.

Carlos Augusto Monteiro, Geoffrey Cannon, Jean-Claude Moubarac … (2018)

Given evident multiple threats to food systems and supplies, food security, human health and welfare, the living and physical world and the biosphere, the years 2016-2025 are now designated by the UN as the Decade of Nutrition, in support of the UN Sustainable Development Goals. For these initiatives to succeed, it is necessary to know which foods contribute to health and well-being, and which are unhealthy. The present commentary outlines the NOVA system of food classification based on the nature, extent and purpose of food processing. Evidence that NOVA effectively addresses the quality of diets and their impact on all forms of malnutrition, and also the sustainability of food systems, has now accumulated in a number of countries, as shown here. A singular feature of NOVA is its identification of ultra-processed food and drink products. These are not modified foods, but formulations mostly of cheap industrial sources of dietary energy and nutrients plus additives, using a series of processes (hence 'ultra-processed'). All together, they are energy-dense, high in unhealthy types of fat, refined starches, free sugars and salt, and poor sources of protein, dietary fibre and micronutrients. Ultra-processed products are made to be hyper-palatable and attractive, with long shelf-life, and able to be consumed anywhere, any time. Their formulation, presentation and marketing often promote overconsumption. Studies based on NOVA show that ultra-processed products now dominate the food supplies of various high-income countries and are increasingly pervasive in lower-middle- and upper-middle-income countries. The evidence so far shows that displacement of minimally processed foods and freshly prepared dishes and meals by ultra-processed products is associated with unhealthy dietary nutrient profiles and several diet-related non-communicable diseases. Ultra-processed products are also troublesome from social, cultural, economic, political and environmental points of view. We conclude that the ever-increasing production and consumption of these products is a world crisis, to be confronted, checked and reversed as part of the work of the UN Sustainable Development Goals and its Decade of Nutrition.

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J W Bennett, M. Klich (2003)

Mycotoxins are secondary metabolites produced by microfungi that are capable of causing disease and death in humans and other animals. Because of their pharmacological activity, some mycotoxins or mycotoxin derivatives have found use as antibiotics, growth promotants, and other kinds of drugs; still others have been implicated as chemical warfare agents. This review focuses on the most important ones associated with human and veterinary diseases, including aflatoxin, citrinin, ergot akaloids, fumonisins, ochratoxin A, patulin, trichothecenes, and zearalenone.

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Worldwide contamination of food-crops with mycotoxins: Validity of the widely cited ‘FAO estimate’ of 25%

Mari Eskola, Gregor Kos, Christopher T. Elliott … (2019)

Prior to 1985 the Food and Agriculture Organization (FAO) estimated global food crop contamination with mycotoxins to be 25%. The origin of this statement is largely unknown. To assess the rationale for it, the relevant literature was reviewed and data of around 500,000 analyses from the European Food Safety Authority and large global survey for aflatoxins, fumonisins, deoxynivalenol, T-2 and HT-2 toxins, zearalenone and ochratoxin A in cereals and nuts were examined. Using different thresholds, i.e. limit of detection, the lower and upper regulatory limits of European Union (EU) legislation and Codex Alimentarius standards, the mycotoxin occurrence was estimated. Impact of different aspects on uncertainty of the occurrence estimates presented in literature and related to our results are critically discussed. Current mycotoxin occurrence above the EU and Codex limits appears to confirm the FAO 25% estimate, while this figure greatly underestimates the occurrence above the detectable levels (up to 60-80%). The high occurrence is likely explained by a combination of the improved sensitivity of analytical methods and impact of climate change. It is of immense importance that the detectable levels are not overlooked as through diets, humans are exposed to mycotoxin mixtures which can induce combined adverse health effects.