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Monday, April 15, 2024

Banning Food Ingredients - The Problem with State-by-State Approach

A commentary in Food Technology Magazine addresses the ongoing issue of various States issuing ingredient bans.   They address the current four chemicals in the crosshairs of health activists and state that these actions "stem from a fundamental misunderstanding of the science of toxicology, the linchpin of food additive safety, and the meticulous regulatory oversight by the U.S. Food and Drug Administration (FDA)."  Basically, this approach to eliminating chemicals from the food supply goes around having scientific consensus at the national level.  Rather, it lays responsivity in the hands of  State legislatures who act with more sentiment than science.

As this approach continues to win, what other food ingredients will be next? And what impact will it have on our ability to produce foods?

FOOD TECHNOLOGY MAGAZINE | DIALOGUE
https://www.ift.org/news-and-publications/food-technology-magazine/issues/2024/april/columns/dialogue-what-food-additive-bans-overlook
What Food Additive Bans Overlook
Two toxicologists reflect on the impact of California’s ban of four food additives.
By James R. Coughlin, Craig Llewellyn

March 21, 2024

The California Food Safety Act, signed into law in October 2023, states that four food additives—brominated vegetable oil, potassium bromate, propylparaben, and Red Dye No. 3—will, starting January 1, 2027, no longer be allowed to be sold or produced in the state. The ripple effect reaches other states; bills mirroring California’s have emerged in Illinois, New York, and Washington. In addition, a bill focused on high fructose corn syrup was introduced in Indiana, while Illinois is requesting further research into the antioxidants butylated hydroxyanisole and butylated hydroxytoluene.

How can the science of food community do better to bring the science forward in these discussions? IFT members can join the robust discussion on this topic by visiting IFT Connect.

A pattern emerges from this legislative frenzy—a collective lack of awareness of the robust umbrella of U.S. regulations that ensure the safety and abundance of our food supply. Numerous reports have included reference to the potential banning of the food additives in other countries, insinuating that the U.S. lags in safeguarding consumers. These allegations, however, stem from a fundamental misunderstanding of the science of toxicology, the linchpin of food additive safety, and the meticulous regulatory oversight by the U.S. Food and Drug Administration (FDA).

It’s crucial to grasp that the FDA does not outlaw additives solely based on identity or perceived hazards. Instead, it meticulously regulates their usage levels in alignment with the Federal Food, Drug, and Cosmetic Act (FFDCA), employing the “reasonable certainty of no harm” standard. A core tenet of toxicology—that the effect is dependent on the amount of exposure and the actual use of an ingredient—underscores that any substance can be harmful in excessive amounts. In addition, the science must be brought to bear to address conclusions that additives shown to be toxic or carcinogenic in animal studies (at exposures vastly higher than human dietary intakes) do not necessarily represent relevant risks to humans that require banning any food additive. Unlike other countries that can use a precautionary principle approach, which can have provisions that can allow a requirement for absolute certainty for scientific questions, the FFDCA acknowledges the impossibility of ensuring complete harmlessness associated with the use of a substance in foods.

From a toxicological perspective, human safety concerns associated with three of the food additives, potassium bromate, propylparaben, and Red Dye No. 3, have been addressed by the FDA. For potassium bromate when used as an additive in baking, the FDA and industry worked together to reduce use levels that have been determined to contribute minimal exposures of dietary bromide.

For propylparaben, animal studies raised concerns about the potential for developmental and reproductive effects as well as endocrine-disrupting effects. In humans, it is readily metabolized and rapidly excreted in the urine. Without bioaccumulation, the uses of propylparaben in foods do not present a concern for human safety.

One study in rats on Red Dye No. 3 induced male rat thyroid tumors at the highest dose tested. Additional research demonstrated that Red Dye No. 3 is not genotoxic and operated via a secondary mechanism of carcinogenesis that does not occur in humans. The findings observed in rats are not relevant to humans and do not impact the safe use of Red Dye No. 3.

The fourth food additive subject to the California legislation, brominated vegetable oil, was abandoned by major beverage brands over 10 years ago. Recent research conducted by FDA indicated that the approved use in beverages may contribute exposure to dietary bromide at levels that cannot currently be demonstrated to be safe, resulting in the FDA acting to remove the currently approved use.

The current haphazard state-by-state approach undermines the FDA’s jurisdiction and sound scientific evaluations and decisions, jeopardizing the interstate commerce that ensures a diverse and safe food market. The likely consequences? A dwindling array of choices for consumers and logistical nightmares for manufacturers.

This trajectory will likely not stop with the present additives on trial. If states have questions or concerns on the safety of food ingredients, they should consult with federal experts and work together to bring science to the forefront of dialogue on the safety of food ingredients. The goal of all stakeholders involved in the U.S. food supply needs to be the safety of consumers and decisions made based on the weight of the scientific evidence.ft

ABOUT THE AUTHORS

James R. Coughlin, PhD, CFS, a 50-year member of IFT, is an independent consultant in food toxicology and global regulatory affairs in Southern California (jrcoughlin@cox.net).

Craig Llewellyn, PhD, is a Principal Scientist with Exponent and has held roles in food safety and toxicology and global scientific and regulatory affairs at The Coca-Cola Co., Kraft Foods, and The William Wrigley Jr. Co. (cllewellyn@exponent.com).

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