マーケットバスケット法および陰膳法による汚染物質の1日摂取量

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Daily intakes of organochlorine compounds and organophosphorus pesticides in Shiga Prefecture were estimated by the market basket and duplicate portion methods. The results of the market basket method for the period from 1984 to 1996 indicate that daily intake of organo chlorine compounds is on the decrease. In 1996, estimated daily intakes of these compounds were 0.038μg for heptachlorepoxide (HCE), 0.897μg for total DDT (T-DDT), 0.069μg for total HCH (T-HCH), 0.038μg for dieldrin, 0.035μg for HCB, 0.153μg for total chlordane (T-chlordane) and 0.541μg for PCB. These compounds were entirely derived from fish, reflecting contamination of the aqueous environment. The average daily intakes (n=77) of organochlorine compounds, determined by the duplicate portion method in 1991, 1992, were 0.142μg for HCE, 0.660μg for T-DDT, 0.612μg for T-HCH, 0.076μg for dieldrin, 0.074μg for HCB, 0.240μg for T-chlordane and 0.869μg for PCB. Regional differences in daily intakes were found on examination of 6 sites. High daily intakes were noted of HCE for Ohtu city, HCE, T-DDT, T-HCH and PCB for Ohmihatiman city, T-chlordane for Tsutiuama town, T-DDT and T-HCH for Kounan town, HCB for Biwa town and Torahime town and PCB for Kutsuki village. The highest daily intake of T-DDT was 11.4μg, but the value was only 4.57% of the acceptable daily intake (ADI), and maximum daily intakes of the other compounds were well under the ADI values, too. MEP was detected only in one sample by the duplicate portion method and other organophosphorous pesticides were below the detection limits. In conclusion, daily intakes of these contaminants are at low levels in Shiga prefecture, but contained measurement of levels in meals is still necessary.
日本食品化学学会の論文
1997-08-25

マーケットバスケット法および陰膳法による汚染物質の1日摂取量

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