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dc.contributor.authorGROMBONI, C. F.pt_BR
dc.contributor.authorCARAPELLI, R.pt_BR
dc.contributor.authorFEREIRA FILHO, E. R.pt_BR
dc.contributor.authorNOGUEIRA, A. R. de A.pt_BR
dc.date.accessioned2011-04-10T11:11:11Zpt_BR
dc.date.available2011-04-10T11:11:11Zpt_BR
dc.date.created2010-10-04pt_BR
dc.date.issued2010pt_BR
dc.identifier.citationFood Analytical Methods, v. 3, p. 98-103, 2010.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/863477pt_BR
dc.descriptionIn this work, an exploratory study about the mineral characteristic of some fruit juice (passion fruit, pineapple, orange, and grape) applying chemometric tools was made. The juices analyzed were separated in different groups by principal components analysis and hierarchical components analysis in accordance with their minerals contents. Barium, C, Ca, K, Mg, Mn, Na, and Sr were determined by inductively coupled plasma optical emission spectrometry. Addition and recovery methods were used for confirmation of the results. The recovery range for microwave sample preparation was from 81% (for K) to 111% (for Mn), for photo-Fenton from 102% (for Ca e Mg) to 128% (for Na), and the direct analysis, without sample preparation step, from 96% (for K) to 139% (for Mn). A new method based on photo-Fenton reaction coupled with microwave radiation for juice decomposition was proposed; the obtained results were satisfactory and compatible with the conventional methods of analysis in accordance with Student's statistic t test and chemometric tools.pt_BR
dc.language.isoporpt_BR
dc.rightsopenAccesspt_BR
dc.subjectPhoto-Fentonpt_BR
dc.subjectDirect Determinationpt_BR
dc.titleEvaluation of different sample preparation procedures using chemometrics: comparison among photo-fenton reaction, microwave irradiation, and direct determination of minerals in fruit juices.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2012-05-04T11:11:11Zpt_BR
dc.subject.nalthesaurusfruit juicespt_BR
dc.subject.nalthesaurusmicrowave radiationpt_BR
dc.subject.nalthesaurusultraviolet radiationpt_BR
riaa.ainfo.id863477pt_BR
riaa.ainfo.lastupdate2012-05-04pt_BR
dc.identifier.doi0.1007/s12161-009-9097-9pt_BR
dc.contributor.institutionCAIO FERMANDO GROMBONI, UFSCar/SÃO CARLOS, SP; RODOLFO CARAPELLI, UFSCar/SÃO CARLOS, SP; EDENIR RODRIGUES PEREIRA FILHO, UFSCar/SÃO CARLOS, SP; ANA RITA DE ARAUJO NOGUEIRA, CPPSE.pt_BR
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