Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Takayoshi Yamana"'
Autor:
Yoshichika Hirahara, Masahiro Miyata, Masumi Hasegawa, Mikako Narita, Yoshio Ito, Yasuhide Tonogai, Satoshi Koiguchi, Takayoshi Yamana, Kouichiro Okamoto, Kazumasa Kamakura
Publikováno v:
Eisei kagaku. 40:286-291
The simultaneous determination of residual 13 synthetic antibacterials in edible viscera by HPLC was studied and the clean up method was developed by Sep-Pak Alumina N and also tC18 cartridges. This method was applicable to sulfamerazine, sulfadimidi
Autor:
Satoshi Koiguchi, Kazumasa Kamakura, Masumi Hasegawa, Yoshichika Hirahara, Mikako Narita, Takayoshi Yamana, Yasuhide Tonogai, Kouichirou Okamoto, Masahiro Miyata, Tomoko Miyoshi
Publikováno v:
Eisei kagaku. 40:393-398
The stability of the standard solutions for 20 organophosphorus, 19 organonitrogen and 7 pyrethroid pesticides during storage under different conditions (solvent, concentration of pesticides, with or without light) was investigated by gas chromatogra
Autor:
Yoshichika Hirahara, Kazumasa Kamakura, Mikako Narita, Takayoshi Yamana, Masumi Hasegawa, Satoshi Koiguchi, Masahiro Miyata, Kouichirou Okamoto, Tomoko Miyoshi, Yasuhide Tonogai
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 36:274-282_1
Various pesticides in polished and unpolished rice were simultaneously extracted and determined by ion-trap GC/MS with chemical ionization using isobutane. Among 62 pesticides (25 organonitrogen pesticides, 25 organophosphorus pesticides, 7 organochl
Autor:
Kenji Maeda, Masumi Hasegawa, Tomoko Miyoshi, Satoshi Koiguchi, Yukihiro Sekiguchi, Mitsue Ohta, Mika Kimura, Masahiro Miyata, Mikako Narita, Kazumasa Kamakura, Tomoko Itoyama, Yoshichika Hirahara, Takayoshi Yamana, Yasuhide Tonogai
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 36:516-524_1
A simple and rapid systematic gas chromatographic determination of 43 organophosphorus, 24 organonitrogen, 14 organochlorine, and 11 pyrethroid pesticides in brown rice was developed. The pesticides were extracted from samples with acetonitrile, and
Autor:
Yukihiro Sekiguchi, Masumi Hasegawa, Kenji Maeda, Tomoko Itoyama, Mitsue Ohta, Mikako Narita, Yoshichika Hirahara, Tomoko Miyoshi, Kazumasa Kamakura, Takayoshi Yamana, Mika Kimura, Yasuhide Tonogai, Satoshi Koiguchi, Masahiro Miyata
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 36:289-292_1
A rapid and sensitive method for the determination of fenoxaprop-ethyl in polished rice and brown rice by HPLC was developed. The pesticide was extracted from samples with acetonitrile. For polished rice, the extract was evaporated to dryness. For br
Autor:
Mika Kimura, Kazumasa Kamakura, Takayoshi Yamana, Masahiro Miyata, Yumiko Nakamura, Kenji Maeda, Tomoko Itoyama, Satoshi Koiguchi, Tomoko Miyoshi, Yoshichika Hirahara, Yukari Tsumura, Yasuhide Tonogai, Yukihiro Sekiguchi, Masumi Hasegawa, Mitsue Oota, Tadashi Shibata, Mikako Narita
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 36:506-515_1
A separative determination method of benfuracarb, carbosulfan, carbofuran and 3-hydroxycarbofuran in agricultural products by GC and HPLC was developed. When benfuracarb and carbosulfan in raw extract or slightly cleaned-up extracts of foods were mea
Autor:
Satoshi Koiguchi, Ikuo Goto, Syogo Shiraishi, Masumi Hasegawa, Kenshi Hirata, Yasuhide Tonogai, Takayoshi Yamana, Kazumasa Kamakura
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 35:310-314_1
An antibacterial substance was detected in frozen shrimp imported from Thailand by use of a simplified bioassay. It appeared to be a tetracycline by classified bioassay, but we could not distinguish between tetracycline (TC) and oxytetracycline (OTC)
Autor:
Masumi Hasegawa, Takayoshi Yamana, Yasuhide Tonogai, Kazumasa Kamakura, Satoshi Koiguchi, Masahiro Miyata, Mikako Narita, Yoshichika Hirahara, Tomoko Miyoshi, Kohichirou Okamoto
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 35:517-524_1
A simple and rapid simultaneous gas chromatographic determination of 24 organophosphorus, 30 carbamate, 14 organochlorine and 8 pyrethroid pesticides in extract of polished rice was developed. The pesticides were extracted from the sample with methan
Autor:
Tomoko Miyoshi, Satoshi Koiguchi, Takayoshi Yamana, Kazumasa Kamakura, Yasuhide Tonogai, Yoshichika Hirahara, Masumi Hasegawa, Masahiro Miyata, Kouichirou Okamoto, Mikako Narita
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 35:276-286_1
A method for systematic determination of organophosphorus, carbamate, organochlorine and pyrethroid pesticides in polished rice by GC was developed. The pesticides were extracted from the sample with acetone-water (7:3) mixture, and re-extracted into
Autor:
Masumi Hasegawa, Satoshi Koiguchi, Takayoshi Yamana, Mikako Narita, Kouichirou Okamoto, Kazumasa Kamakura, Yoshio Ito, Masahiro Miyata, Yoshichika Hirahara, Yasuhide Tonogai, Tomoko Miyoshi
Publikováno v:
Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi). 35:371-379_1
A procedure for determination of 20 organophosphorus, 19 carbamate and 5 pyrethroid pesticides in raw coffee beans by gas chromatography was developed. Extract of coffee beans was directly analyzed for organophosphorus and pyrethroid pesticides, and