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dc.creatorKoturević, Biljana
dc.creatorAdnađević, Borivoj
dc.creatorJovanović, Jelena
dc.date.accessioned2019-03-21T16:10:08Z
dc.date.available2019-03-21T16:10:08Z
dc.date.issued2017
dc.identifier.issn2191-9542
dc.identifier.urihttp://jakov.kpu.edu.rs/handle/123456789/774
dc.description.abstractThe kinetics of isothermal green microwaveassisted extraction of caffeine from guarana seed powder with water at a temperature range from 40 degrees C to 60 degrees C was investigated. The caffeine concentration in the water extract was determined by UV-Vis spectrophotometry. By applying the isoconversional method, it was established that the kinetics of the caffeine extraction from the guarana seed powder with microwave heating is an elementary kinetic process. The model fitting method was used to determine the kinetic model of the caffeine extraction under microwave heating. It was found that the kinetics of the caffeine extraction can, under microwave heating, be modeled by the Jander's model of three dimensional diffusion. The kinetic parameters, activation energy and pre-exponential factor of the caffeine extraction were determined.en
dc.publisherWalter De Gruyter Gmbh, Berlin
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172015/RS//
dc.rightsrestrictedAccess
dc.sourceGreen processing and synthesis
dc.subjectcaffeineen
dc.subjectgreen microwave-assisted extractionen
dc.subjectguaranaen
dc.subjectkineticsen
dc.titleIsothermal green microwave-assisted extraction of caffeine from guarana: a kinetic studyen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractЈовановић, Јелена; Котуревић, Биљана; Aднађевић, Боривој;
dc.citation.volume6
dc.citation.issue6
dc.citation.spage555
dc.citation.epage563
dc.citation.other6(6): 555-563
dc.citation.rankM23
dc.identifier.doi10.1515/gps-2016-0135
dc.identifier.scopus2-s2.0-85037834773
dc.identifier.wos000416921900004
dc.type.versionpublishedVersion


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Приказ основних података о документу