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J.Health Sci., 56(1), 88-91, 2010
Efficiency of Rice Bran for Removal of Pretilachlor and Esprocarb in Artificial Gastric Fluid
Atsuko Adachi,*, a Yuki Okita,a
and Jun Adachib
aDepartment of Hygienic Sciences, Kobe Pharmaceutical University, Motoyamakitamachi, 4-chome, Higashinada-ku, Kobe 658-8558, Japan and
bGraduate School of Global Environmental Studies, Kyoto Uiversity, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan
Rice bran was found to effectively adsorb pesticides in artificial gastric fluid. Equilibrium adsorption isotherms conformed to the Freundlich type (log-log linear). Pretilachlor and esprocarb were successfully removed in artificial gastric fluid with an average removal efficiency of 85.5% and 95.8%, respectively after 90 min when rice bran (10 g/l) was added to samples containing from 0.05 to 5 mg/l of pesticides. The removal of pesticides by rice bran was attributed to the uptake by intracellular particles called spherosomes.
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