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Interactions of food matrix effects and dietary components on neonicotinoids bioaccessibility in raw fruit & vegetables

Abstract

Human are frequently exposed to the resides of various neonicotinoids, highlighting the need to understand human exposure through oral ingestion of contaminated foods. In this study, the effects of different food matrixes (tomato, cucumber, and carrot) and their interaction with dietary components addition, including proteins and dietary fiber were investigated. Results showed that the presence of a food matrix had a significant effect on bioaccessibility of neonicotinoids (imidacloprid, thiamethoxam, acetamiprid, and thiacloprid) in both the gastric and intestinal environments. Neonicotinoids in tomato presented relatively low bioaccessibility, indicating that the daily intake of the tomato can be regarded as relatively safer. Moreover, the addition of protein or dietary fiber to fruit & vegetables exhibited a marked influence on neonicotinoids bioaccessibility and the effects varied between the different matrices. Especially, the addition of 2.0% dietary fiber significantly reduced the bioaccessibility (18.38-67.91%). Therefore, we recommend that consuming increased intake of dietary fiber could improve the safety of fruit and vegetables in daily life. The present results can support the identification of suitable food intake conditions for significantly reduction of pesticide residue levels.

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Publication details

The article was received on 31 Oct 2018, accepted on 03 Dec 2018 and first published on 04 Dec 2018


Article type: Paper
DOI: 10.1039/C8FO02142B
Citation: Food Funct., 2018, Accepted Manuscript
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    Interactions of food matrix effects and dietary components on neonicotinoids bioaccessibility in raw fruit & vegetables

    Y. Shi, J. Xiao, Y. Liu, Y. Fu, Z. Ye, M. Liao and H. Cao, Food Funct., 2018, Accepted Manuscript , DOI: 10.1039/C8FO02142B

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