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Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium
dc.creator | Gojgić-Cvijović, Gordana | |
dc.creator | Jakovljević, Dragica | |
dc.creator | Lončarević, Branka | |
dc.creator | Todorović, Nina | |
dc.creator | Pergal, Marija | |
dc.creator | Ciric, J. | |
dc.creator | Loos, K. | |
dc.creator | Beškoski, Vladimir | |
dc.creator | Vrvić, Miroslav | |
dc.date.accessioned | 2019-05-31T08:03:18Z | |
dc.date.available | 2019-05-31T08:03:18Z | |
dc.date.issued | 2019 | |
dc.identifier.issn | 0141-8130 | |
dc.identifier.uri | https://cer.ihtm.bg.ac.rs/handle/123456789/2926 | |
dc.description.abstract | The production of levan by Bacillus licheniformis NS032 in a medium based on sugar beet molasses was studied. High polysaccharide yields were produced by using diluted molasses (100-140 g/L of total sugars) with the addition of commercial sucrose up to 200 g/L of total sugars, as well as K2HPO4. A levan yield of 532 g/L was obtained on a medium optimized by response surface methodology, containing 62.6% of sugar originating from molasses, and 4.66 g/L of phosphate, with initial pH value of 7.2. In comparison to the media with 200 and 400 g/L sucrose, in the molasses optimized medium, the observed bacterial growth was faster, while the maximum production of polysaccharide was achieved over a shorter time interval (48 h). The polysaccharide produced in molasses medium had a weight average molecular weight of 5.82 x 10(6) Da, degree of branching 12.68%, viscosity of 0.24 dL/g, and based on methylation analysis and NMR data, it did not significantly differ from levan obtained in the medium with 200 g/L sucrose. | en |
dc.publisher | Elsevier | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43004/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172053/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172062/RS// | |
dc.rights | restrictedAccess | |
dc.source | International Journal of Biological Macromolecules | |
dc.subject | Levan | en |
dc.subject | Molasses | en |
dc.subject | Molecular weight | en |
dc.title | Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium | en |
dc.type | article | |
dc.rights.license | ARR | |
dcterms.abstract | Бескоски, Владимир; Гојгић Цвијовић, Гордана; Јаковљевић, Драгица; Лончаревић, Бранка; Тодоровић, Нина; Пергал, Марија; Цириц, Ј.; Лоос, К.; Врвиц, М. М.; | |
dc.rights.holder | Elsevier B.V. | |
dc.citation.volume | 121 | |
dc.citation.spage | 142 | |
dc.citation.epage | 151 | |
dc.citation.other | 121: 142-151 | |
dc.citation.rank | aM21 | |
dc.description.other | Peer-reviewed version: [http://cer.ihtm.bg.ac.rs/handle/123456789/2503] | |
dc.identifier.pmid | 30291934 | |
dc.identifier.doi | 10.1016/j.ijbiomac.2018.10.019 | |
dc.identifier.scopus | 2-s2.0-85054437248 | |
dc.identifier.wos | 000452346100018 | |
dc.type.version | publishedVersion |