Generic and Shiga toxin-producing Escherichia coli (O157:H7) contamination of lettuce and radish microgreens grown in peat moss and perlite

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dc.authorid0000-0002-9683-6691en_US
dc.contributor.authorIşık, Hasan
dc.contributor.authorTopalcengiz, Zeynal
dc.contributor.authorGüner, Senem
dc.contributor.authorAksoy, Aziz
dc.date.accessioned2021-09-02T17:24:48Z
dc.date.available2021-09-02T17:24:48Z
dc.date.issued2020en_US
dc.departmentMTÖ Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Biyomühendislik Bölümüen_US
dc.description.abstractathogens can be transferred to microgreens from seeds, irrigation water and growth media. The purpose of this study was to evaluate the contamination of Shiga toxin-producing Escherichia coli (STEC O157:H7) and generic E. coli to lettuce and radish microgreens grown in spray and bottom irrigated peat moss and perlite. Lettuce and radish seeds were grown in nalidixic acid resistant E. coli strains inoculated peat moss and perlite. Populations of cells were enumerated on edible and inedible part of plants. Survival of E. coli strains were also examined in growth media for 28 days. Type of irrigation did not affect the population of cells transferred to edible part of plants (P > 0.05). Populations of E. coli contaminating the inedible part of plant were higher in perlite than those in peat moss (P < 0.05). No E. coli O157:H7 was detected by enrichment in edible part of lettuce grown in peat moss. Radish microgreens had high generic E. coli and E. coli O157:H7 populations (4.15–6.49 log CFU/g) regardless of growing media. E. coli O157:H7 showed similar survival trends to generic E. coli in peat moss, perlite and plant growth solution over 28 days of storage. Cultivation of microgreens in perlite requires umbrella strategies to mitigate risk including irrigation water quality, seed decontamination and postharvest treatments to prevent contamination.en_US
dc.identifier.citationIşık, H., Topalcengiz, Z., Güner, S., & Aksoy, A. (2020). Generic and Shiga toxin-producing Escherichia coli (O157: H7) contamination of lettuce and radish microgreens grown in peat moss and perlite. Food Control, 111, 107079.en_US
dc.identifier.doi10.1016/j.foodcont.2019.107079
dc.identifier.endpage6en_US
dc.identifier.issn0956-7135en_US
dc.identifier.scopus2-s2.0-85076931703en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1016/j.foodcont.2019.107079
dc.identifier.urihttps://hdl.handle.net/20.500.12899/381
dc.identifier.volume111en_US
dc.identifier.wosWOS:000517659100027en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAksoy, Aziz
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofFood Controlen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMicrogreenen_US
dc.subjectEscherichia colien_US
dc.subjectContaminationen_US
dc.subjectPlant growth mediaIrrigationen_US
dc.titleGeneric and Shiga toxin-producing Escherichia coli (O157:H7) contamination of lettuce and radish microgreens grown in peat moss and perliteen_US
dc.typeArticleen_US

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