Effect of pH, light intensity, salt and nitrogen concentrations on growth and beta-carotene accumulation by a new isolate of dunaliella sp

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dc.authorid0000-0002-2448-4957
dc.contributor.authorÇelekli, Abuzer
dc.contributor.authorDönmez, Gönül
dc.date.accessioned2021-06-23T19:19:25Z
dc.date.available2021-06-23T19:19:25Z
dc.date.issued2006
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Biyoloji Bölümüen_US
dc.description.abstractIn the present study Dunaliella sp. that could grow in the Johnson medium was isolated from hypersaline Lake Tuz and its beta-carotene production was studied in a batch system, in order to determine the optimal conditions required for the highest beta-carotene accumulation. In the experiments with light intensity, the cell numbers and beta-carotene content were maximum at pH 9, with 20% of NaCl concentration and 48 kerg cm(-2) s(-1) light intensity. At this light intensity, the beta-carotene content of Dunaliella sp. ranged between 0.177 and 1.095 mg/ml for the culture broth and 0.119 to 0.261 ng/cell on a per cell basis under the nitrogen limitation. At the end of the experiments, the maximum beta-carotene accumulation and the cell number were obtained at pH 7, 5 mM NaNO3 and 20% NaCl concentrations as 0.261 ng/cell, 4.2x10(6) cell/ml, respectively.en_US
dc.identifier.doi10.1007/s11274-005-9017-0
dc.identifier.endpage189en_US
dc.identifier.issn0959-3993
dc.identifier.issn1573-0972
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-33645001556en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage183en_US
dc.identifier.urihttps://doi.org/10.1007/s11274-005-9017-0
dc.identifier.urihttps://hdl.handle.net/20.500.12491/5938
dc.identifier.volume22en_US
dc.identifier.wosWOS:000236077700015en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÇelekli, Abuzer
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofWorld Journal Of Microbiology & Biotechnologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectBeta-caroteneen_US
dc.subjectDunaliella Spen_US
dc.subjectHypersaline Lakeen_US
dc.subjectMicroalgaeen_US
dc.subjectProductionen_US
dc.titleEffect of pH, light intensity, salt and nitrogen concentrations on growth and beta-carotene accumulation by a new isolate of dunaliella spen_US
dc.typeArticleen_US

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