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  • Title: [Concentration and risk assessment of DEHP in vegetables around plastic industrial area].
    Author: Wang JW, Du QZ, Song YQ.
    Journal: Huan Jing Ke Xue; 2010 Oct; 31(10):2450-5. PubMed ID: 21229760.
    Abstract:
    Concentration of di-(2-ethylhexyl) phthalate (DEHP)in the inner tissue of various vegetable species and their growing environment (soil and atmosphere) around plastic industrial area were investigated and determined by gas chromatography-mass spectrum (GC/MS). The results showed that concentrations of DEHP in 5 kinds of vegetable were 0.23-9.11 mg/kg, 3.82 mg/kg in average (fresh weight). Of the various vegetable species determined, the highest burden was observed in the leafy vegetables, followed by melon and root vegetables. Statistical analysis of variance showed that environment and species are the factors that significantly affect DEHP concentrations in inner vegetable tissue and soil, respectively. Atmosphere deposition is the principal pathway for the accumulation of DEHP. The ability of the plant accumulating DEHP was mainly influenced by the lipid content of the plant. Leaf with pubescence or rough surface was found to have higher DEHP than the other, when the lipid contents were similar. Evaluation of the vegetable around plastic industrial area with the acceptable daily intake (ADI) by OEHHA, concentrations of DEHP has exceeded the safety standard.
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