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Developing traditionally used foods for modern markets: successfully performing the dietary risk assessment of a native grain

Published online by Cambridge University Press:  21 May 2025

L. Williams
Affiliation:
Centre for Nutrition and Food Science, University of Queensland, Brisbane, Queensland, Australia
J. Birch
Affiliation:
Centre for Nutrition and Food Science, University of Queensland, Brisbane, Queensland, Australia
R. Zakaria
Affiliation:
RMIT University, Melbourne, Victoria, Australia
H. Nguyen
Affiliation:
Food and Health Chemistry, NMI, Melbourne, Victoria, Australia
C. Water
Affiliation:
Waters Australia, Sydney, New South Wales, Australia
C. Itsiopoulos
Affiliation:
RMIT University, Melbourne, Victoria, Australia
P. Wright
Affiliation:
RMIT University, Melbourne, Victoria, Australia
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Abstract

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Traditional foods are increasingly being incorporated into modern diets. This is largely driven by consumers seeking alternative food sources that have superior nutritional and functional properties. Within Australia, Aboriginal and Torres Strait Islander peoples are looking to develop their traditional foods for commercial markets. However, supporting evidence to suggest these foods are safe for consumption within the wider general population is limited. At the 2022 NSA conference a keynote presentation titled ‘Decolonising food regulatory frameworks to facilitate First Peoples food sovereignty’ was presented. This presentation was followed by a manuscript titled ‘Decolonising food regulatory frameworks: Importance of recognising traditional culture when assessing dietary safety of traditional foods’, which was published in the conference proceedings journal(1). These pieces examined the current regulatory frameworks that are used to assess traditional foods and proposed a way forward that would allow Traditional Custodians to successfully develop their foods for modern markets. Building upon the previously highlighted works, this presentation will showcase best practice Indigenous engagement and collaboration principles in the development of traditionally used food products. To achieve this, we collaborated with a collective of Gamilaraay peoples who are looking to reignite their traditional grain practices and develop grain-based food products. To meet the current food safety regulatory requirements, we needed to understand how this grain would fit into modern diets, which included understanding the history of use, elucidating the nutritional and functional properties that can be attributed to the grain, and developing a safety dossier(2) so that the Traditional Custodians can confidently take their product to market. To aid the Traditional Custodians in performing their due diligence, we have systemically analysed the dietary safety of the selected native grain and compared it side-by-side with commonly consumed wheat in a range of in vitro bioassays and chemical analyses. From a food safety perspective, we show that the native grain is equivalent to commonly consumed wheat. The native grain has been shown to be no more toxic than wheat within our biological screening systems. Chemical analysis showed that the level of contaminants are below tolerable limits, and we were not able to identify any chemical classes of concern. Our initial findings support the history of safe use and suggest that the tested native grain species would be no less safe than commonly consumed wheat. This risk assessment and previously published nutritional study(3) provides an overall indication that the grain is nutritionally superior and viable for commercial development. The learnings from this project can direct the future risk assessment of traditional foods and therefore facilitate the safe market access of a broader range of traditionally used foods. Importantly, the methods presented are culturally safe and financially viable for the small businesses hoping to enter the market.

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Abstract
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of The Nutrition Society

References

Williams, LB, Jones, M, Wright, PFA (2023) Proc Nutr Soc 82(4), 454467.CrossRefGoogle Scholar
Williams, LB, Birch, J, Zakaria, R et al. (2024) Int J Food Science & Tech 59(7), 49394948.CrossRefGoogle Scholar