Assessment of the Exposure Risk to Mycotoxins from Stored Maize (Zea mays L.) in Triple Bags with Aromatic Plants Leaves (Lippia multiflora and Hyptis suaveolens) in Côte d’Ivoire

Main Article Content

Yao Vanessa Gaël
G. Henri Marius Biego
Konan K. Constant
Coulibaly Adama
Sidibe Daouda

Abstract

In Côte d’Ivoire, maize is second cereal most cultivated and consumed after rice. In bad storage conditions, corn may be contaminated by mycotoxins (aflatoxin B1, total aflatoxins, ochratoxin A, fuminosin B1, zearalenone). The aim of this study was to assess the exposure risk of these mycotoxins for maize stored in triple bags in presence of aromatic plants leaves (Lippia multiflora and Hyptis suaveolens). The contents of water activity, aflatoxin B1 (AFB1), total aflatoxins (AFT), ochratoxin A (OTA), fuminosin B1 (FB1) and zearalenone (ZEA) were studied and monitored. The levels of AFB1, AFT, OTA, FB1 and ZEA resulted from maize grains treated with plants leaves were significantly lower than those recorded with untreated maize of control bags. The estimated daily intakes in AFB1, AFT, OTA, FB1 and ZEA, deriving with consumption of maize from experimental batches stored for 18 months are respectively 1.69 ± 0.00 - 2.09 ± 0.01 ng/kg bw/day, 8.66 – 10.91 ng/kg bw/day, 1.86 ± 0.01 - 2.47 ± 0.01 ng/kg bw/day, 2.01 ± 0.05 - 3.01± 0.05 ng/kg bw/day and 1.89 ± 0.12 - 3.56 ± 0.04 ng/kg bw/day. These levels are lower than the estimated intakes from maximal reference value (EDILM) for OTA, FB1 and ZEA. For aflatoxin B1 and total aflatoxins, the estimated daily intakes are lower than the estimated intakes from maximal reference value (EDILM) during, respectively, 15 storage months and 10 storage months. However, after 18 storage months, exposure risk of aflatoxin B1 is higher than the estimated intakes from maximal reference value. This inexpensive and easy-to-use treatment should be popularized among farmers

Keywords:
Mycotoxins, exposure risk, stored maize, aromatic plant, triple bagging.

Article Details

How to Cite
Gaël, Y. V., Biego, G. H. M., Constant, K. K., Adama, C., & Daouda, S. (2020). Assessment of the Exposure Risk to Mycotoxins from Stored Maize (Zea mays L.) in Triple Bags with Aromatic Plants Leaves (Lippia multiflora and Hyptis suaveolens) in Côte d’Ivoire. Asian Research Journal of Agriculture, 13(2), 13-25. https://doi.org/10.9734/arja/2020/v13i230098
Section
Original Research Article

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