Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1125493
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dc.contributor.authorTERRA, L. R.
dc.contributor.authorFERREIRA, M. M. C.
dc.contributor.authorTERAO, D.
dc.contributor.authorQUEIROZ, S. C. do N. de
dc.date.accessioned2020-10-15T09:13:35Z-
dc.date.available2020-10-15T09:13:35Z-
dc.date.created2020-10-14
dc.date.issued2020
dc.identifier.citationQuímica Nova, p.1-6, (2020). http://dx.doi.org/10.21577/0100-4042.20170611 [Publicado online: agosto 10, 2020]
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1125493-
dc.descriptionAbstract: The analysis of volatiles is an alternative in the routine of quality control of fruits, since the volatile metabolites can change in the presence of microorganisms. A well-established method for extracting volatiles is the solid phase microextraction (SPME). This work aims to define some parameters (fiber coating, conditioning time and fiber exposure time) for an effective extraction. Whole papaya was inserted into a hermetically closed glass bottle and the system was left in conditioning for the volatiles accumulation. Then, extraction by SPME and subsequent desorption in a gas chromatograph was performed. Two fibers were evaluated: a 100 µm polydimethylsiloxane (PDMS) and a 65 µm polydimethylsiloxane/divinylbenzene (PDMS/DVB). The PDMS/DVB fiber extracted the highest number of volatiles. Central composite design (CCD) was performed to assess the effect of papaya conditioning time and the fiber exposure time on the response: number of detectable peaks. Both variables studied and their interactions were significant for the response. ANOVA showed that the quadratic terms and the lack of fit were not significant (p <0.05). A conditioning time of 10 min and exposure time of 30 min was sufficient for the detection of more than 100 compounds.
dc.language.isopor
dc.rightsopenAccesspt_BR
dc.subjectCentral composite design
dc.subjectResponse surface methodology Metabolomics
dc.subjectFruit
dc.titleOtimização do processo não invasivo e não destrutivo de extração e análise de metabólitos voláteis de mamão papaia por SPME-GC-MS.
dc.typeArtigo de periódico
dc.subject.thesagroMamão
dc.subject.thesagroAnálise Química
dc.subject.thesagroCarica Papaya
dc.subject.thesagroMicrorganismo
dc.subject.thesagroCromatografia Gasosa
dc.subject.nalthesaurusPapayas
dc.subject.nalthesaurusVolatile organic compounds
dc.subject.nalthesaurusChemical analysis
dc.subject.nalthesaurusGas chromatography
dc.subject.nalthesaurusMicrobial detection
riaa.ainfo.id1125493
riaa.ainfo.lastupdate2020-10-14
dc.identifier.doihttp://dx.doi.org/10.21577/0100-4042.20170611
dc.contributor.institutionLARISSA ROCHA TERRA, IQ-UNICAMP; MARCIA MIGUEL CASTRO FERREIRA, IQ-UNICAMP; DANIEL TERAO, CNPMA; SONIA CLAUDIA DO N DE QUEIROZ, CNPMA.
Aparece nas coleções:Artigo em periódico indexado (CNPMA)

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