Effect of Equisetum arvense and Stevia rebaudiana extracts on growth and mycotoxin production by Aspergillus flavus and Fusarium verticillioides in maize seeds as affected by water activity

► Plant extracts were tested in maize for antimycotoxigenic activities. ► Equisetum extract inhibits growth of Aspergillus flavus in maize. ► Aflatoxins production was inhibited by Equisetum extract. ► The efficacy of the extracts is higher at high water availabilities.