Behavior of Pyrethroid Pesticides toward Edible Oils during Refining

Autor:	Hiroshi Ehara, Takashi Tsutsumi, Shigeru Tokairin, Takenori Maruyama, Toru Fukazawa, Minoru Aoyama, Isao Niiya
Rok vydání:	1999
Předmět:	Fenvalerate Cyfluthrin Cypermethrin Cyhalothrin Toxicology Fluvalinate chemistry.chemical_compound Deltamethrin chemistry Agronomy Flucythrinate medicine Permethrin medicine.drug
Zdroj:	Journal of Japan Oil Chemists' Society. 48:885-889,929
ISSN:	1884-1996 1341-8327
DOI:	10.5650/jos1996.48.885
Popis:	Soybean oil to which had been added 9 pyrethroid pesticides (pyrethrins, cyhalothrin, deltamethrin, permethrin, cypermethrin, cyfluthrin, fluvalinate, fenvalerate and flucythrinate, 5mg/kg each) was refined during degumming, alkali-refining, bleaching and deodorization. The amounts of the pesticides in the oil were determined immediately subsequent to each of these processes.All pesticides remained for the most part in the oil during degumming, alkali-refining and bleaching. During deodorization at 260°C, pyrethrins remarkably decreased, while the amounts of cyhalothrin, deltamethrin, permethrin, cypermethrin and cyfluthrin were reduced by nearly a half. Only slight decrease was noted in fluvalinate, fenvalerate and flucythrinate under the same conditions.
Databáze:	OpenAIRE
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