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Flavan-3-ol (Flavanol) identification and quantitation by high performance liquid chromatography coupled with mass spectrometry (HPLC-MSn). Author(s): OLIVEIRA, J. B. DE; OLIVEIRA, C. G. R. de; PEREIRA, G. E. Flavan-3-ols are widely distributed in higher plants, such as grapes, located in the skins and seeds, being transferred to the wine during winemaking. They are responsible for specific sensory propert... ... Repository: BDPA Publication year: 2023
Multiresidue method for analysis of 240 pesticides in tomato planting soils by ultra performance liquid chromatography coupled to mass spectrometry. Author(s): MAZZEI, J. R. F.; FREIRE, E.; SERRA, E. G.; MACEDO, J. R. de; OLIVEIRA, A. C. de; BASTOS, L. H. P.; CARDOSO, M. H. W. M. In this work, an analytical method for the determination of residues was optimized for the focus pesticides: Azoxystrobin, Boscalid, Carbendazim, Chlorantraniliprole, Clothianidin, Diafenthiuron, Dife... ... Repository: BDPA Publication year: 2021
Obtaining zeaxanthin and violaxanthin standards for high performance liquid chromatography from solanum pseudocapsicum and capsicum annuum. Author(s): PACHECO, S.; GODOY, R. L. O.; PORTE, A.; ROSA, J. S. da; ARAÚJO, M. C. P. Repository: BDPA Publication year: 2012
Development of methodology for the determination of organic acids in must, grape juice and wine by high performance liquid chromatography (HPLC). Author(s): CORREA, L. C.; BIASOTO, A. C. T.; PEREIRA, G. E.; RYBKA, A. C. P. The aim of this study was to develop a simple and fast HPLC method for the detection and quantification of tartaric, malic, ascorbic, lactic, acetic, citric and succinic acids in must, grape juices an... ... Repository: BDPA Publication year: 2012
Development of an RP-UHPLC-PDA method for quantification of free gossypol in cottonseed cake and fungal-treated cottonseed cake. Author(s): CONCEIÇÃO, A. A.; SOARES NETO, C. B.; RIBEIRO, J. A. de A.; SIQUEIRA, F. G. de; MILLER, R. N. G.; MENDONCA, S. Abstract: Cottonseed cake biomass, which is a residue of oil extraction, is potentially appropriate for use as animal feed, given the high mineral, fibre and protein content. The presence of free goss... ... Repository: BDPA Publication year: 2018
Microwave-assisted digestion procedures for biological samples with diluted nitric acid: identification of reaction products. Author(s): GONZALEZ, M. H.; SOUZA, G. B. D.; OLIVEIRA, R. V. DE; FORATO, L. A.; NÓBREGA, J. A.; NOGUEIRA, A. R. de A. Microwave-assisted sample preparation using diluted nitric acid solutions is an alternative procedure for digesting organic samples. The efficiency of this procedure depends on the chemical properties... ... Repository: BDPA Publication year: 2009
UPLC-MS-ESI-QTOF analysis and antifungal activity of aqueous extracts of Spondias tuberosa. Author(s): SANTOS, A. T. L. dos; CARNEIRO, J. N. P.; CRUZ, R. P. da; SALES, D. L.; PINHEIRO, J. C. A.; FREITAS, M. A. de; KERNTOPF, M. R.; DELMONDES, G. de A.; RIBEIRO, P. R. V.; BRITO, E. S. de; BATISTA, F. L. A.; MAGALHÃES, F. E. A.; PITA NETO, I. C.; BRAGA, M. F. B. M.; KOWALSKI, R.; KOWALSKA, G.; SZOPA, A.; BAJ, T.; COUTINHO, H. D. M. This study aimed to identify the chemical composition of the Spondias tuberosa aqueous leaf and root extracts (EALST and EARST) and to evaluate their effect, comparatively, against opportunistic patho... ... Repository: BDPA Publication year: 2023
A rapid ultrasound-assisted dispersive liquid-liquid microextraction followed by liquid chromatography coupled to a mass spectrometry for determination of artemisinin in tilapia muscle. Author(s): SOARES, M. P.; SHIROMA, L. S.; CARDOSO, I. L.; SAMPAIO, F. G.; JONSSON, C. M.; RANTIN, F. T.; QUEIROZ, S. C. do N. de Intensive aquaculture represents stressful conditions for fish and can trigger diseases that negatively affect their performance and survival. Fish production requires greater control, with improved h... ... Repository: BDPA Publication year: 2019
Productivity of a preparative high-performance liquid chromatography isolation of anacardic acids from cashew nut shell liquid. Author(s): OIRAM FILHO, F.; ZOCOLO, G. J.; CANUTO, K. M.; SILVA JUNIOR, I. J. da; BRITO, E. S. de Repository: BDPA Publication year: 2019
Changes in the isoflavone profile and in the chemical composition of tempeh during processing and refrigeration. Author(s): FERREIRA, M. P.; OLIVEIRA, M. C. N. de; MANDARINO, J. M. G.; SILVA, J. B. da; IDA, E. I.; CARRÃO-PANIZZI, M. C. The objective of this work was to analyze changes in the isoflavone profile, determined by high performance liquid chromatography, at different processing stages and after refrigeration of tempeh. For... ... Repository: BDPA Publication year: 2011

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