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J.Health Sci., 54(6), 665-670, 2008

Determination of Organochlorine Pesticides in Glycyrrhizae Radix

Takaomi Tagami,* Keiji Kajimura, Katsuhiro Yamasaki, Yoshiyuki Sawabe, Shuzo Taguchi, and Syozo Iwagami

Osaka Prefectural Institute of Public Health, 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan

The analytical method to determine organochlorine pesticides in natural medicines included in The Japanese Pharmacopoeia (JP), 15th edition,1) is not adequate because the recovery rates of organochlorine pesticides in Glycyrrhizae radix are very low. In this study, we developed a method to analyze organochlorine pesticides in Glycyrrhizae radix with acceptable recovery rates. The method enables analysis of organochlorine pesticides in all natural medicines for which maximum residue levels are set.