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Quantitative analysis of headspace volatile compounds using comprehensive two-dimensional gas chromatography and their contribution to the aroma of Chardonnay wine. Author(s): WELKE, J. E.; ZANUS, M.; LAZZAROTTO, M.; ZINI, C. A. The quantitative determination of volatile compounds of Chardonnay wines using HS-SPME-GC × GC/TOFMS along with the determination of odor activity value (OAV) and relative odor contribution (ROC) of v... ... Repository: BDPA Publication year: 2014
Quantitative analysis of headspace volatile compounds using comprehensive two-dimensional gas chromatography and their contribution to the aroma of Chardonnay wine. Author(s): WELKE, J. E.; ZANUS, M. C.; LAZZAROTTO, M.; ZINI, C. A. The quantitative determination of volatile compounds of Chardonnay wines using HS-SPME-GC × GC/TOFMS along with the determination of odor activity value (OAV) and relative odor contribution (ROC) of v... ... Repository: BDPA Publication year: 2014
Determination of the possible contribution to aroma using odor activity values of volatile compounds of wines analyzed by comprehensive two dimensional gas chromatography. Author(s): WELKE, J. E.; BARBARÁ, J. A.; ZANUS, M. C.; LAZZAROTTO, M.; ZINI, C. A. The aim of this study was to use the HS-SPME-GC × GC/TOFMS to quantify volatile compounds of wines produced with Chardonnay grapes in Serra Gaúcha region, Brazil and determine their possible contribut... ... Repository: BDPA Publication year: 2014
Characterization of the volatile profile of Brazilian Merlot wines through comprehensive two dimensional gas chromatography time-of-flight mass spectrometric detection. Author(s): WELKE, J. E.; MANFROI, V.; ZANUS, M. C.; LAZZAROTTO, M.; ZINI, C. A. Wine aroma is an important characteristic and may be related to certain specific parameters, such as raw material and production process. The complexity of Merlot wine aroma was considered suitable fo... ... Repository: BDPA Publication year: 2012
Relevant compounds of brazilian chardonnay wines and sparkling wines unveiled using comprehensive twodimensional gas chromatography. Author(s): WELKE, J. E.; NICOLLI, K. P.; PULGATI, F.; ZANUS, M. C.; ZINI, C. A. This work employed HS-SPME, comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometric detector (GC × GC/TOFMS),statistical tools, andodor activity values (OAV) for the an... ... Repository: BDPA Publication year: 2014
Automação de planilhas eletrônicas para o cálculo de índices de retenção na análise de óleos essenciais. Author(s): GAMA, P. E.; BARBOZA, E. G.; SANTOS, M. C. da S.; BIZZO, H. R. Na publicação é descrita a elaboração de uma planilha para a automação do cálculo dos índices de retenção empregados na identificação dos constituintes químicos de óleos essenciais. A planilha é const... ... Repository: BDPA Publication year: 2017
Evaluation of toxic compounds produced during the elaboration of Syrah wines. Author(s): LAGO, L.; NICOLLI, K. P.; BARBARÁ, J. A.; BIASOTO, A. C. T.; ZINI, C. A.; WELKE, J. E. The objective of this study was to verify the occurrence of four toxic compounds (acetaldehyde, formaldehyde, ethyl carbamate and acrolein) in Syrah wines through the use of comprehensive two-dimensio... ... Repository: BDPA Publication year: 2015
Influence of vineyard managements on aroma of Merlot wines. Author(s): NICOLLI, K. P.; BIASOTO, A. C. T.; GUERRA, C. C.; SANTOS, H. P. dos; WELKE, J, E.; ZINI, C. A. The objective of this study is to evaluate the influence of vineyard managements on aroma of Campanha Gaúcha Merlot wines through quantitative descriptive analysis (QDA), gas chromatography ? olfactom... ... Repository: BDPA Publication year: 2016
Análises integradas de proteômica e metabolômica associadas à qualidade do café. Author(s): SILVA, V. C.; MELO, J. A. T.; BARBOSA, E. A.; SILVA, L. P. da; BLOCH JUNIOR, C.; ANDRADE, A. C. Repository: BDPA Publication year: 2007
Otimização do Método Hartman e Lago de Preparação de Ésteres Metílicos de Ácidos Graxos. Author(s): ANTONIASSI, R.; WILHELM, A. E.; MACHADO, A. F. de F.; GUEDES, A. M. M.; BIZZO, H. R. A análise da composição em ácidos graxos é realizada, praticamente, para todos os produtos alimentícios, seja por questões nutricionais ou para atender a rotulagem nutricional. Em geral, é uma análise... ... Repository: BDPA Publication year: 2018

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