{"title":"[牛奶中32p - nnal的分解和消除]。","authors":"W Dedek, A Scheybal, T Gabrio, E Kirst","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The organophosphorus insecticide naled (O,O-dimethyl-O,O-(1,2-dibromo-2,2-dichloroethyl)-phosphate, labeled by 32P] is degraded in milk in vitro at 5 degrees C with a half-life of 35 h with dichlorvos as a metabolite, that is also formed at short time heating and UV-irradiation. The recovery in milk powder is 25% (naled + dichlorvos) of the initial concentration. Following spray application of 0,05 mg naled/kg body mass to 2 lactating cows, 5-8 ppb of naled and 7-9 ppb of dichlorvos were found in the milk 5 h p.a., not exceeding the given tolerance level of 0,02 mg/kg in the German Democratic Republic.</p>","PeriodicalId":11281,"journal":{"name":"Die Nahrung","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[Disintegration and elimination of 32P-naled in milk].\",\"authors\":\"W Dedek, A Scheybal, T Gabrio, E Kirst\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The organophosphorus insecticide naled (O,O-dimethyl-O,O-(1,2-dibromo-2,2-dichloroethyl)-phosphate, labeled by 32P] is degraded in milk in vitro at 5 degrees C with a half-life of 35 h with dichlorvos as a metabolite, that is also formed at short time heating and UV-irradiation. The recovery in milk powder is 25% (naled + dichlorvos) of the initial concentration. Following spray application of 0,05 mg naled/kg body mass to 2 lactating cows, 5-8 ppb of naled and 7-9 ppb of dichlorvos were found in the milk 5 h p.a., not exceeding the given tolerance level of 0,02 mg/kg in the German Democratic Republic.</p>\",\"PeriodicalId\":11281,\"journal\":{\"name\":\"Die Nahrung\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1981-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Die Nahrung\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Die Nahrung","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
[Disintegration and elimination of 32P-naled in milk].
The organophosphorus insecticide naled (O,O-dimethyl-O,O-(1,2-dibromo-2,2-dichloroethyl)-phosphate, labeled by 32P] is degraded in milk in vitro at 5 degrees C with a half-life of 35 h with dichlorvos as a metabolite, that is also formed at short time heating and UV-irradiation. The recovery in milk powder is 25% (naled + dichlorvos) of the initial concentration. Following spray application of 0,05 mg naled/kg body mass to 2 lactating cows, 5-8 ppb of naled and 7-9 ppb of dichlorvos were found in the milk 5 h p.a., not exceeding the given tolerance level of 0,02 mg/kg in the German Democratic Republic.
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