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Adsorptive removal of aflatoxin B1 from simulated animal gastrointestinal tract using sugarcane bagasse fly ash

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Abstract

Mycotoxins released by fungi present in animal feed feedstocks can lead to severe health problems in animals. In this work, we investigated the use of a low-cost agro-industrial waste produced in ethanol mills, the sugarcane bagasse fly ash (BFA), as an effective adsorbent for the removal of aflatoxin B1 (a model mycotoxin) from buffer solutions simulating the animal gastrointestinal tract. The results revealed that BFA could rapidly (< 2 h) and selectively remove aflatoxin B1 from a multicomponent solution containing vitamins (63%, 28% and 9% removal of aflatoxin B1, vitamin B1, and vitamin B12, respectively). Furthermore, important nutrient minerals, such as Mg2+, Fe3+, Mn2+, K+, and PO43−, were not adsorbed by BFA. The in vitro results indicated that BFA could be a potential adsorbent to be incorporate in animal feed due to its high selective and fast aflatoxin B1 uptake, in addition to wide availability and low cost.

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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors are grateful to the São Paulo State Research Foundation (FAPESP, Grants 2016/10636-8, 2017/19838-5, and 2020/12706-9) for financial support. Juliana V. Freitas thanks the National Council of Technological and Scientific Development (CNPq, Grant 152099/2019-0) for her fellowship. Luís A. M. Ruotolo is grateful for the support provided by the EXCEED-SWINDON DAAD Project (Germany). The authors also thank Rogério Felito da Silva for his contribution during the manuscript revision.

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Correspondence to Luís A. M. Ruotolo.

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de Freitas, J.V., Godiya, C.B., Farinas, C.S. et al. Adsorptive removal of aflatoxin B1 from simulated animal gastrointestinal tract using sugarcane bagasse fly ash. Braz. J. Chem. Eng. 41, 443–451 (2024). https://doi.org/10.1007/s43153-023-00314-1

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  • DOI: https://doi.org/10.1007/s43153-023-00314-1

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