Bioavailability and EROD activity of polycyclic aromatic hydrocarbons and agricultural chemicals which exist in rice field soil
2003
Sekiguchi, M. (Okayama Univ. (Japan)) | Ono, Y.
Abstract Various chemicals may exist in the rice field soil. This research is focused on polycyclic aromatic hydrocarbons (PAHs) and pesticides in the rice field soil. Content of such chemicals in the rice field soil were evaluated. As a result, it was confirmed that PAHs constantly remained in the soil throughout a year. Of 14 targeted materials for pesticides, only two materials were detected and remaining of agricultural chemicals in the soil was not confirmed. In order to evaluate elution behavior of PAHs after feeding of polluted soil under homo's in vivo condition, the in vitro bioavailability test was done. As a result, the elution of PAHs from the soil was confirmed under the small intestines condition. Moreover, the exposure examination that used the extraction of the rice field soil was done. Extracts of the soil were exposed to the homo origin culture cell, and the EROD activity which used the medicine enzyme metabolic reaction of the inclusion quality in the doing soil was evaluated. As a result, the existence of the EROD activity inducement factor was confirmed from the soil inside.
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