Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/970551
Registro completo de metadados
Campo DCValorIdioma
dc.contributor.authorSHOCK, C. C.pt_BR
dc.contributor.authorPINTO, J. M.pt_BR
dc.contributor.authorLAUBACHER, T. A.pt_BR
dc.contributor.authorROSS, R. D.pt_BR
dc.contributor.authorMAHONY, A. C.pt_BR
dc.contributor.authorKREEFT, H.pt_BR
dc.contributor.authorSHOCK, B. M.pt_BR
dc.date.accessioned2017-07-19T00:05:04Z-
dc.date.available2017-07-19T00:05:04Z-
dc.date.created2013-11-06pt_BR
dc.date.issued2013pt_BR
dc.identifier.citationIn: SHOCK, C. C. (Ed.). Preliminary studies on Escherichia coli and onion. Ontário: Oregon State University, Malheur Experiment Station, 2013.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/970551pt_BR
dc.descriptionThe Food and Drug administration has expressed concern that Onions (Allium cepa) irrigated with water contaminated with high rates of Escherichia coli could harbor E. coli on their surface or interior. On the other hand, since onions contain antimicrobial compounds and field conditions may not be conducive to E. coli survival, the E. coli population on the surface of onions might become negligible through the course of field curing. Further, the relationship between the E. coli in the irrigation water to the E. coli on onion bulbs after field curing, harvest, and packout has not been studied. To determine if E. coli should be of concern in onion production, we sought to measure the die-off of E. coli on onions between the last irrigation and harvest and the presence of E. coli on onions after packout. Well water was tested and had no E. coli; ditch water intentionally run across a pasture prior to use had 218 to > 2400 MPN of E. coli/100ml. Onions were sampled from those furrow irrigated (ditch water) and those drip irrigated (well water) starting at lifting 3 September 2013 for four consecutive weeks. At 0 and 28 days after lifting, both interior and exterior of the onions were tested for E. coli. At 7, 14, and 21 days after lifting, only the exterior of the onions was tested. None of the onions contained E. coli internally at 0 or 28 days after lifting. At lifting E. coli was present on the exterior of both the drip and furrow irrigated onions and seemed to be largely unrelated to the irrigation water. The exterior E. coli contamination decreased rapidly after lifting. After harvest and packout on 14 October 2013, no E. coli was detected on the onion bulb exteriors from either irrigation treatment. E. coli introduced into the onion field through furrow irrigation was not present on or in the packed out onion bulbs.pt_BR
dc.format(OSU. Special Report, Ext/CrS, 148).pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectOnionpt_BR
dc.titleSurvival of Escherichia coli on onion during field curing and packout.pt_BR
dc.typeParte de livropt_BR
dc.date.updated2017-07-19T00:05:04Zpt_BR
dc.subject.thesagroCebolapt_BR
dc.subject.thesagroIrrigaçãopt_BR
dc.subject.thesagroAllium Cepapt_BR
dc.subject.thesagroBactériapt_BR
dc.subject.thesagroContaminaçãopt_BR
dc.subject.thesagroEscherichia Colipt_BR
dc.format.extent2p. 18-27.pt_BR
riaa.ainfo.id970551pt_BR
riaa.ainfo.lastupdate2017-07-18pt_BR
dc.contributor.institutionJOSE MARIA PINTO, CPATSA.pt_BR
Aparece nas coleções:Capítulo em livro científico (CPATSA)

Arquivos associados a este item:
Arquivo Descrição TamanhoFormato 
Pinto2.pdf396,21 kBAdobe PDFThumbnail
Visualizar/Abrir
Mostrar registro simples do item Visualizar estatísticas

FacebookTwitterDeliciousLinkedInGoogle BookmarksMySpace