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Multiplatform Path-ComDim study of Capixaba, indigenous and non-indigenous Amazonian Canephora coffees. Author(s): BAQUETA, M. R.; RUTLEDGE, D. N.; ALVES, E. A.; MANDRONE, M.; POLI, F.; COQUEIRO, A.; SANTOS, A. C. C.; REBELLATO, A. P.; LUZ, G. M.; GOULART, B. H. F.; PILAU, E. J.; PALLONE, J. A. L.; VALDERRAMA, P. The objective of this research was to apply the multi-block data analysis method Path-ComDim to evaluate the relationships between the multiple data blocks acquired on conilon Capixaba and indigenous... ... Repository: BDPA Publication year: 2025
Authentication of indigenous Brazilian specialty Canephora coffees using smartphone image analysis. Author(s): BAQUETA, M. R.; POSTIGO, M. P.; ALVES, E. A.; MORAES NETO, V. F. de; VALDERRAMA, P.; PALLONE, J. A. L.; DINIZ, P. H. G. D. The prevention of coffee fraud through the use of digital and intelligence-based technologies is an analytical challenge because depending on the adulterant, visual inspection is unreliable in roasted... ... Repository: BDPA Publication year: 2024
Authentication and discrimination of new Brazilian Canephora coffees with geographical indication using a miniaturized near-infrared spectrometer. Author(s): BAQUETA, M. R.; MARINI, F.; ROCHA, R. B.; VALDERRAMA, P.; PALLONE, J. A. L. New Brazilian Canephora coffees (Conilon and Robusta) of high added value from specific origins have been protected by geographical indication to guarantee their origin and quality. Recently, benchtop... ... Repository: BDPA Publication year: 2023
H NMR, FAAS, portable NIR, benchtop NIR, and ATR-FTIR-MIR spectroscopies for characterizing and discriminating new Brazilian Canephora coffees in a multi-block analysis perspective. Author(s): BAQUETA, M. R.; VALDERRAMA, P.; MANDRONE, M.; POLI, F.; COQUEIRO, A.; COSTA-SANTOS, A. C.; REBELLATO. A. A.; LUZ, G. M.; ROCHA, R. B.; PALLONE, J. A. L.; MARINI, F. Different analytical techniques, mixing single and multi-block chemometric analyses in supervised and unsu- pervised approaches, and the selection of variables in the coffee discrimination domain have... ... Repository: BDPA Publication year: 2023
Brazilian Canephora coffee evaluation using NIR spectroscopy and discriminant chemometric techniques. Author(s): BAQUETA, M. R.; ALVES, E. A.; VALDERRAMA, P.; PALLONE, J. A. L. High-quality Brazilian Canephora coffees are rising to the level of specialty coffees in the face of a new industry perception. In this framework, spectra from 527 coffees were analyzed in the near-in... ... Repository: BDPA Publication year: 2023
Soil organic carbon determination using NIRS: evaluation of dichromate oxidation and dry combustion analysis as reference methods in multivariate calibration. Author(s): BELTRAME, K. K.; SOUZA, A. M. de; COELHO, M. R.; WINKLER, T. C. B.; SOUZA, W. E.; VALDERRAMA, P. Dichromate oxidation and dry combustion analysis were evaluated as reference methods to determine organic carbon in Brazilian soils using near infrared spectroscopy (NIRS) as an alternative. The main... ... Repository: BDPA Publication year: 2016
Analytical validation of a multivariate calibration method for determination of soil organic carbon by near infrared spectroscopy. Author(s): SOUZA, A. M. de; COELHO, M. R.; FONTANA, A.; WINKLER, T. C. B.; JUCÁ, N. M. C.; CASTRO, T. B. de; SHIMIDT, G. B.; VALDERRAMA, P.; POPPIA, R. J. Repository: BDPA Publication year: 2014

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