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2017, vol. 54, br. 3, str. 110-116
Biosinteza ksantana primenom Xanthomonas campestris ATCC 13951 u otpadnim vodama iz prerade belog grožđa
Univerzitet u Novom Sadu, Tehnološki fakultet, Katedra za biotehnologiju i farmaceutsko inženjerstvo

e-adresaidaidaza@gmail.com
Sažetak
Otpadne vode nastale tokom prerade grožđa u vinarijama karakterišu velike sezonske varijacije u zapremini i sastavu, a obično se ispuštaju u životnu sredinu sa malo ili bez prethodnog tretmana. Biotehnološka proizvodnja visokovrednih proizvoda trenutno je najperspektivnija alternativa za smanjenje negativnog uticaja na životnu sredinu i reciklažu pomenutih efluenata. Rezultati prethodnih istraživanja pokazuju da namešane otpadne vode vinarija, nakon dodatne optimizacije pripreme medijuma, mogu biti pogodne sirovine za industrijsku proizvodnju ksantana. Stoga je ovaj rad izveden sa ciljem ispitivanja mogućnosti proizvodnje ksantana primenom soja Xanthomonas campestris ATCC 13951 na namešanim otpadnim vodama iz različitih faza prerade belog grožđa u vinariji sa početnim sadržajem šećera od 20 g/l. Osim karakteristika medijuma i pokazatelja kvaliteta biopolimera, određivani su prinos sirovog ksantana i stepen konverzije šećera u proizvod kako bi se procenila efikasnost izvedenog bioprocesa. Rezultati koji se odnose na prinos biopolimera (14,66 g/l) i stepen konverzije šećera u željeni proizvod (70,21%), a ostvareni su u primenjenim eksperimentalnim uslovima, potvrđuju da otpadne vode iz prerade belog grožđa imaju veliki potencijal za primenu kao supstrata za biosintezu ksantana.
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O članku

jezik rada: engleski
vrsta rada: izvorni naučni članak
DOI: 10.5937/ratpov54-14807
objavljen u SCIndeksu: 08.01.2018.
metod recenzije: dvostruko anoniman
Creative Commons License 4.0

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