Simultaneous Determination of Organonitrogen and Carbamate Pesticides in Foods by an Internal Standard Method Based on Retention Indices in Dual-Column Gas Chromatography

Tamura, Yasuhiro; Nagayama, Toshihiro; Kobayashi, Masaru; Hashimoto, Tsuneo; Haneishi, Nahoko; Ito, Masako; Tomomatsu, Toshio

doi:10.3358/shokueishi.39.3_225

Cited by 13 publications

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“…. List of investigated cereal products on the market in Tokyo Flour Whole wheat (8) a) , Wheat (59), Corn (33), Rye (6), Buckwheat (14), Rice (1) Mixed b) (11) Corn starch (6) Malt (63) Pasta Cous cous (6), Maccaroni (16), Lasagna (5), Spaghetti (42) Bread Crispy (1), Crisp bread (11), Gressini (4), Rusk (3), Others c) (16) Cereal Wheat (9), Wheat bran (9), Corn (10), Oats (30), Mixed d) (59) Confectionery Biscuit (13), Cracker (12), Cookie (4), Wa%e (1), Others e) (18) Chinese noodle (3) Rice paper (9), Rice vermicelli (7), Risotto (1) Total 490 kinds a) Number of samples b) Used for making foreign-style confectioneries c) Include bagel, croissant, crouton, etc. d) Include dry fruits, bran, corn, oats, rye, wheat, barley, etc.…”

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Survey of Pesticide Residues in Imported Cereal Products (1994.4∼2006.3)

Kobayash¹,

Takano²,

Tamura³

et al. 2008

J. Food Hyg. Soc. Jpn

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was carried out. Eight kinds of organophosphorus pesticides (chlorpyrifos, chlorpyrifos-methyl, DDVP, diazinon, etrimfos, malathion, MEP and pirimiphos-methyl) were detected at levels between Tr (below 0.01 ppm) and 0.82 ppm from 91 samples.In our investigations, chlorpyrifos-methyl and malathion tended to be detected in samples from America, pirimiphos-methyl in those from Europe, and MEP in those from Oceania. Thus, pesticide residues seemed to be di#erent in produce from di#erent areas.Residue levels of these pesticides were calculated as between 0.08 and 13.2 of their ADI values according to the daily intake of cereal products. Therefore, these cereal products should be safe for normal usage.

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confidence: 99%