Background and Objective: Aflatoxin is a harmful compound released by fungi that contaminates food and animal products and causes various health complications.Aflatoxin, as a secondary metabolite produced by many Aspergillus strains, infects about five billion people around the world, through many stored foods, including peanuts, corn, sunflower seeds, nuts, rice, etc.This paper demonstrated the anti-aflatoxigenic effect of oleic acid as a natural compound inhibitor on mycotoxin production in toxigenic isolates of Aspergillus flavus and Aspergillus parasiticus.Materials and Methods: The study was conducted at Azad University of Lahijan and investigated the effect of oleic acid as a natural safe compound with different biological activities on Aflatoxin production in indigenous toxigenic Aspergillus species.Concentrations of oleic acid were added to the growth medium of toxigenic Aspergillus isolates at different levels.Then, incubated and aflatoxin production was measured using Enzyme-Linked Immunosorbent Assay (ELISA).Results: Aflatoxin production was reduced by adding oleic acid to Sabouraud dextrose broth (SDB) medium at 40EC.Current finding showed that oleic acid has more aflatoxin inhibitory properties in higher temperatures.Conclusion: It can be concluded that the use of oleic acid as a natural compound inhibits toxin production.The results indicated that this natural safe compound can be used as an effective aflatoxin-production inhibitor in food and feed.It can be considered a new perspective in the application of harmless nutrients in inhibiting the production of aflatoxin in food and animal feed.
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Ahmadian et al. (2023) studied this question.
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