Results: 151

Absorption mechanism of three curcumin constituents through in situ intestinal perfusion method

Braz. j. med. biol. res; 50 (11), 2017
This study aimed to investigate the absorption mechanism of three curcumin constituents in rat small intestines. Self-emulsification was used to solubilize the three curcumin constituents, and the rat in situ intestinal perfusion method was used to study factors on drug absorption, including drug mass co...

Kinetics study of hydrochlorothiazide lactose liquid state interaction using conventional isothermal arrhenius method under basic and neutral conditions

Braz. j. pharm. sci; 52 (4), 2016
ABSTRACT The Maillard reaction of hydrochlorothiazide (HCTZ) and lactose has been previously demonstrated in pharmaceutical formulations. In this study, the activation energy of - hydrohlorothiazide and lactose interaction in the liquid state was ascertained under basic and neutral conditions. Convention...

Atividade desinfetante anti-Staphylococcus aureus meticilina resistentes e compostos flavonóides em Achyrocline satureioides Lam. (macela)

Rev. cuba. plantas med; 21 (4), 2016
Introdução: os Staphylococcus aureus resistentes a meticilina (MRSA) estão envolvidos nas infecções nosocomiais, na comunidade, nos animais de companhia e nos animais para produção de alimentos, estando a desinfecção e a antissepsia entre os procedimentos adotados como medidas de controle. O fen...

Phytochemical analysis of hydroethanolic extract of Turnera diffusa Willd and evaluation of its effects on astrocyte cell death

Einstein (Säo Paulo); 14 (1), 2016
ABSTRACT Objective To evaluate the phytochemical composition of hydroethanolic extracts from powdered aerial parts of Turnera diffusa Willd (Turneraceae; T. diffusa), as well as its toxicity in astrocytes. Methods Chemical analyses of hydroethanolic extract from powdered aerial parts ofT. diffusa wer...

Efecto de las diferentes fuentes de polifenoles sobre la eficiencia de liberación de ácido elágico por Aspergillus niger
Effect of different polyphenol sources on the efficiency of ellagic acid release by Aspergillus niger

Rev. argent. microbiol; 48 (1), 2016
Fungal hydrolysis of ellagitannins produces hexahydroxydiphenic acid, which is considered an intermediate molecule in ellagic acid release. Ellagic acid has important and desirable beneficial health properties. The aim of this work was to identify the effect of different sources of ellagitannins on the e...

Evaluación del desempeño de los métodos analíticos aplicados en el diclofenaco sódico 100 mg retard de producción nacional
Evaluation of the performance of the analytical methods applied to Cuban-made 100mg retard sodium diclofenac

Rev. cuba. farm; 50 (1), 2016
Introducción: el diclofenaco sódico es un derivado del ácido fenilácetico y pertenece al grupo de los antinflamatorios no esteroideos con propiedades antinflamatorios, analgésicas y antipiréticas pronunciadas. En la Farmacopea de los Estados Unidos (USP 36, 2013) aparece reportado los métodos anal...

Desenvolvimento e validação de métodos bioanalíticos para o monitoramento dos produtos das vias metabólicas do triptofano em linhagem celular de glioma humano

O metabolismo do triptofano (Trp) se dá pela via das quinureninas (QUIN), pela via serotoninérgica (SER) e pela via das aminas traço. A primeira gera QUIN e uma variedade de outros metabólitos secundários. Quando conduzida pela enzima indolamina 2,3 dioxigenase (IDO) contribui para os fenômenos de ...

Development and validation of a new and economical stability indicating RP-HPLC method for cefixime trihydrate

Braz. j. pharm. sci; 52 (1), 2016
ABSTRACT The present work describes the development of a new high performance liquid chromatographic (HPLC) method for the determination of Cefixime trihydrate under different stress conditons as specified by ICH. For the analysis, a Phenomenex (250 x 4.6 mm, 5 µm particle size) ODS column and a SPD 20 ...

Effective method for the detection of piroxicam in human plasma using HPLC

Braz. oral res. (Online); 30 (1), 2016
Abstract Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used by the general population to alleviate inflammation and pain after oral surgeries. Piroxicam is among the most commonly used NSAIDs and excels in controlling pain, swelling, trismus and other common symptoms of inflammation. This stu...

Sida tuberculata (Malvaceae): a study based on development of extractive system and in silico and in vitro properties

Braz. j. med. biol. res; 49 (8), 2016
Sida tuberculata (Malvaceae) is a medicinal plant traditionally used in Brazil as an antimicrobial and anti-inflammatory agent. Here, we aimed to investigate the different extractive techniques on phytochemical parameters, as well as to evaluate the toxicity and antioxidant capacity of S. tuberculata ext...