Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6373
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dc.contributor.authorYeğin, Sırma-
dc.contributor.authorBüyükkileci, Ali Oğuz-
dc.contributor.authorSargın, Sayıt-
dc.contributor.authorGöksungur, Yekta-
dc.date.accessioned2017-10-17T12:10:47Z-
dc.date.available2017-10-17T12:10:47Z-
dc.date.issued2017-04-
dc.identifier.citationYeğin, S., Büyükkileci, A. O., Sargın, S. and Göksungur, Y. (2017), Exploitation of agricultural wastes and by-products for production of Aureobasidium pullulans Y-2311-1 xylanase: Screening, bioprocess optimization and scale up. Waste and Biomass Valorization, 8(3), 999-1010. doi:10.1007/s12649-016-9646-6en_US
dc.identifier.issn1877-2641-
dc.identifier.issn1877-265X-
dc.identifier.urihttp://doi.org/10.1007/s12649-016-9646-6-
dc.identifier.urihttp://hdl.handle.net/11147/6373-
dc.description.abstractThe potential of several agricultural wastes and by-products (wheat bran, oat bran, corn cob, brewer’s spent grain, malt sprout, artichoke stem, sugar beet pulp, olive seed, cotton stalk and hazelnut skin) was examined as the substrate for xylanase production by Aureobasidium pullulans Y-2311-1. Based on the screening studies, wheat bran was selected as the best substrate for further optimization studies. The effects of initial medium pH, temperature and incubation time on xylanase production in shake flask system were optimized by response surface methodology (RSM). The optimum levels of the process variables defined by the model (initial medium pH, 4.24; temperature, 30.27 °C; and incubation time 126.67 h) resulted in production of 85.19 U/ml xylanase. Taking the RSM optimized parameters in shake-flask scale into consideration; xylanase production was scaled up to bioreactor system with a working volume of 1.5 l. The peak of enzyme production was achieved after 126 h incubation that has previously been determined by RSM studies at shake flask level. Furthermore, the optimum levels of agitation and aeration in bioreactor system was found as 200 rpm and 1.5 vvm. Maximum enzyme production was close to 85 kU/l which could be translated into a productivity of 0.68 kU/l/h. No previous work considered the statistical optimization of xylanase production by A. pullulans on wheat bran and scale up of the bioprocess to a bioreactor systemen_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TOVAG 112O521); Ege University Science and Technology Center-EBILTEM 2013/BIL/025en_US
dc.language.isoenen_US
dc.publisherSpringer Verlagen_US
dc.relation.ispartofWaste and Biomass Valorizationen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAureobasidium pullulansen_US
dc.subjectBioprocess optimizationen_US
dc.subjectBioreactoren_US
dc.subjectXylanaseen_US
dc.titleExploitation of agricultural wastes and by-products for production of Aureobasidium pullulans Y-2311-1 xylanase: Screening, bioprocess optimization and scale upen_US
dc.typeArticleen_US
dc.authoridTR29392en_US
dc.institutionauthorBüyükkileci, Ali Oğuz-
dc.departmentİzmir Institute of Technology. Food Engineeringen_US
dc.identifier.volume8en_US
dc.identifier.issue3en_US
dc.identifier.startpage999en_US
dc.identifier.endpage1010en_US
dc.identifier.wosWOS:000398594100040en_US
dc.identifier.scopus2-s2.0-85001777623en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1007/s12649-016-9646-6-
dc.relation.doi10.1007/s12649-016-9646-6en_US
dc.coverage.doi10.1007/s12649-016-9646-6en_US
dc.identifier.wosqualityQ3-
dc.identifier.scopusqualityQ2-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
crisitem.author.dept03.08. Department of Food Engineering-
Appears in Collections:Food Engineering / Gıda Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Sürdürülebilir Yeşil Kampüs Koleksiyonu / Sustainable Green Campus Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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