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HPLC-DAD

Based on HPLC-DAD, UPLC-DAD-MSMS and NMR Analyses

Based on HPLC-DAD, UPLC-DAD-MSMS and NMR Analyses

... Aqueous preparations of the grass Eleusine indica are used for treating malaria and lung infections. Despite its widespread occurrence and therapeutic potential, little is known about its chemical composition. This study ...

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Determination of carbamazepine and diazepam by SPE-HPLC-DAD in Belém River water, Curitiba-PRBrazil

Determination of carbamazepine and diazepam by SPE-HPLC-DAD in Belém River water, Curitiba-PRBrazil

... Este trabalho teve como objetivo determinar duas drogas psicotrópicas mais dispensadas pelos Centros de Atenção Psicossocial (CAPS) nas águas de um rio urbano (sub-bacia do rio Belém, Curitiba - PR, Brasil). Foi ...

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Determinação do perfil fitoquímico de extrato com atividade antioxidante da espécie medicinal Cordia verbenacea DC. por HPLC-DAD .

Determinação do perfil fitoquímico de extrato com atividade antioxidante da espécie medicinal Cordia verbenacea DC. por HPLC-DAD .

... ABSTRACT: Phytochemical proile determination from extracts with antioxidant activity of the medicinal species of Cordia verbenacea DC. by HPLC-DAD. The objective of the present study was to investigate the ...

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Uma metodologia analítica rápida para quantificação simultânea de estrógenos em águas usando HPLC-DAD e calibração de segunda ordem

Uma metodologia analítica rápida para quantificação simultânea de estrógenos em águas usando HPLC-DAD e calibração de segunda ordem

... empregando HPLC-DAD e calibração multivias com propósito de explorar as potencialidades da vantagem de segunda ordem para contornar os problemas da complexidade da ...

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Analysis of bioactivities and chemical composition of Ziziphus joazeiro Mart. using HPLC–DAD

Analysis of bioactivities and chemical composition of Ziziphus joazeiro Mart. using HPLC–DAD

... The aim of this study was to evaluate the chemical profile and antioxidant, antimicrobial and antipara- sitic activities of the hydroalcoholic extract of the leaves of Ziziphus joazeiro Mart. (HELZJ). The antioxi- dant ...

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HPLC-DAD-ELSD Combined Pharmacodynamics and Serum Medicinal Chemistry for Quality Assessment of Huangqi Granule.

HPLC-DAD-ELSD Combined Pharmacodynamics and Serum Medicinal Chemistry for Quality Assessment of Huangqi Granule.

... To more scientifically and reasonably control the quality of Huangqi Granules, preliminary studies on the pharmacodynamics and serum pharmacochemistry of this medicine were performed. DPPH and MTT experiments showed that ...

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Quantification of methyl salicylate in four genera of the Polygalaceae by HPLC-DAD.

Quantification of methyl salicylate in four genera of the Polygalaceae by HPLC-DAD.

... QUANTIFICATION OF METHYL SALICYLATE IN FOUR GENERA OF THE Polygalaceae BY HPLC-DAD. Polygalaceae is represented in Brazil by ten genera and 191 species, of which the Polygala is the most representative, ...

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Characterization of teas from Lippia gracilis schauer genotypes by HPLC-DAD chromatographic profile combined with chemometric analyses.

Characterization of teas from Lippia gracilis schauer genotypes by HPLC-DAD chromatographic profile combined with chemometric analyses.

... CHARACTERIZATION OF TEAS FROM Lippia gracilis Schauer GENOTYPES BY HPLC-DAD CHROMATOGRAPHIC PROFILE COMBINED WITH CHEMOMETRIC ANALYSES. In order to evaluate the effects of environmental factors on the ...

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Phenolic profile of Sercial and Tinta Negra Vitis vinifera L. grape skins by HPLC–DAD–ESI-MS

Phenolic profile of Sercial and Tinta Negra Vitis vinifera L. grape skins by HPLC–DAD–ESI-MS

... from 3568 to 7770 mg/kg, and for Tinta Negra from 3147 to 13812 mg/kg. The TPC values decreased from véraison (day 0) to maturity (day 42), for Sercial, whereas for Tinta Negra an increase, from véraison (day 0) to ...

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Chemical Characteristics Combined with Bioactivity for Comprehensive Evaluation of Tumuxiang Based on HPLC-DAD and Multivariate Statistical Methods

Chemical Characteristics Combined with Bioactivity for Comprehensive Evaluation of Tumuxiang Based on HPLC-DAD and Multivariate Statistical Methods

... f., HPLC fingerprints, Spectrum-efficacy relationship, Multivariate statistical methods Abbreviations: IH: Inula helenium ...administration; HPLC- DAD: High-performance liquid chromatography-diode ...

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Identification and quantification of genipin and geniposide from Genipa americana L. by HPLC-DAD using a fused-core column

Identification and quantification of genipin and geniposide from Genipa americana L. by HPLC-DAD using a fused-core column

... Rostagno, M. A., Debien, O. C. N., Vardanega, R., Nogueira, G. C., Barbero, G. F., & Meireles, M. A. A. (2014). Fast analysis of beta-ecdysone in Brazilian ginseng (Pfaffia glomerata) extracts by high-performance ...

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Identification and quantification of genipin and geniposide from Genipa americana L. by HPLC-DAD using a fused-core column

Identification and quantification of genipin and geniposide from Genipa americana L. by HPLC-DAD using a fused-core column

... Rostagno, M. A., Debien, O. C. N., Vardanega, R., Nogueira, G. C., Barbero, G. F., & Meireles, M. A. A. (2014). Fast analysis of beta-ecdysone in Brazilian ginseng (Pfaffia glomerata) extracts by high-performance ...

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Phlorotannin Extracts from Fucales Characterized by HPLC-DAD-ESI-MSn: Approaches to Hyaluronidase Inhibitory Capacity and Antioxidant Properties

Phlorotannin Extracts from Fucales Characterized by HPLC-DAD-ESI-MSn: Approaches to Hyaluronidase Inhibitory Capacity and Antioxidant Properties

... The HPLC-DAD-ESI-MS n (n = 1–2) analyses were carried out in an Agilent HPLC 1100 series equipped with a diode array detector and mass detector in series (Agilent Technologies, Waldbronn, ...The ...

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MCR-ALS APPLIED TO THE QUANTITATIVE MONITORING OF THE ELECTRODEGRADATION PROCESS OF ATRAZINE USING UV SPECTRA: COMPARATIVE RESULTS WITH HPLC-DAD AS A REFERENCE METHOD.

MCR-ALS APPLIED TO THE QUANTITATIVE MONITORING OF THE ELECTRODEGRADATION PROCESS OF ATRAZINE USING UV SPECTRA: COMPARATIVE RESULTS WITH HPLC-DAD AS A REFERENCE METHOD.

... WITH HPLC-DAD AS A REFERENCE ...matrix. HPLC was employed to separate the original and byproducts degradation ...between HPLC and MCR-ALS separations is ...

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Potential diagnostic of Branched-Chain Ketoaciduria by HPLC-DAD

Potential diagnostic of Branched-Chain Ketoaciduria by HPLC-DAD

... a HPLC-DAD methodology for simultaneous quantification of the aminoacids that are characteristically altered in BCK: L-Leu, L-Ile, and ...the HPLC system, which is quite applicable in laboratory ...

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Determination of estrogens in drinking water using HPLC-DAD.

Determination of estrogens in drinking water using HPLC-DAD.

... DETERMINATION OF ESTROGENS IN DRINKING WATER USING HPLC-DAD. An analytical procedure for determination of estriol, 17β-estradiol, estrone and 17α-ethinylestradiol in drinking water is presented. The method ...

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HPLC DAD methodology for the quantification of organic acids, furans and

HPLC DAD methodology for the quantification of organic acids, furans and

... Therefore, the aim of this study was to develop a simple and sensitive methodology using RP-HPLC-DAD chroma- tographic separation, allowing a single run determination of organic acids and monomeric ...

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Desenvolvimento e validação de um método para a caracterização de vinhos por HPLC-DAD

Desenvolvimento e validação de um método para a caracterização de vinhos por HPLC-DAD

... Este trabalho teve como objetivo principal a otimização de um método para análise de compostos fenólicos e aldeídos furânicos em vinho licoroso (vinho do Porto e vinho moscatel), vinho (vinho, vinho espumante e vinho ...

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J. Braz. Chem. Soc.  vol.28 número7

J. Braz. Chem. Soc. vol.28 número7

... A simple and rapid high performance liquid chromatography coupled with diode array detector (HPLC-DAD) method was developed for simultaneous quantification of three chemical types of bioactive compounds ...

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Isolation and HPLC quantitation of kaurane-type diterpenes and cinnamic acid derivatives of long-term stored leaves of Mikania laevigata and Mikania glomerata

Isolation and HPLC quantitation of kaurane-type diterpenes and cinnamic acid derivatives of long-term stored leaves of Mikania laevigata and Mikania glomerata

... the HPLC-DAD profi les and contents of coumarin (1), trans-o-coumaric (2), kaurenoic (3), benzoylgrandifl oric (4) and cinnamoylgrandifl oric (5) acids in dried leaves of Mikania species stored in dark room ...

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