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In this work, we present antibacterial activity of a 22 phenylpropanoids derived from cinnamic acid, recently reported as antifungal agents by our group. Some of these compounds are commercial, others are natural produ...

The present study describes some in vitro experiments with hydroalcoholic extract of leaves from Plectranthus amboinicus (Lour.) Spreng (Lamiaceae) in several Methicillin resistant Staphylococcus aureus (MRSA) strains in...

In this work the antibacterial activity of two pregnenolone-derivatives was evaluated on V. cholerae and E. coli, using a NCCLS broth dilution modified method. Additionally, to delineate the structural chemical requireme...

4-methyl-3-(6-{[arylmethylene] amino} pyridin-3-yl)-2H-chromen-2-one derivatives containing different functional groups have been synthesized and screened for their antibacterial activity against four different strains o...

A new compound, 8-propionate-2-β-(D+)-glucosyl-9,10-pyranopyridine, was isolated from the chloroform extract of a Streptomyces species. The structure of the compound was confirmed by spectroscopic techniques including U...

Ocotea puberula (Rich.) Nees, known as canela-guaicá and canela-sebo, is a native woody species from Brazil. O. puberula has been used by indigenous communities to treat skin diseases and tumours. The aim of this work...

A new series of silver (I) 4-substitutedbenzenesulfonate derivatives (1-8) have been synthesized in order to search for new potential antibacterial agents. The antibacterial activity of 1-8 against various strains of b...

Cytotoxicity and antibacterial activities of three novel tin(II) complexes containing cephalosporins: [Sn(cephalothin)Cl], [Sn(cephradine)Cl].H2O and [Sn(cefotaxime)Cl].H2O were investigated against Artemia salina (bri...

A series of 2,4-bis(substitutedphenyl)-6-(4-(4-substitutedphenyl)thiazol-2-yl)-1,3,5-triazine- 2,4,6-triamine were synthesised, characterised by FT-IR, 1H NMR, 13C NMR, mass and elemental analysis and evaluated for in ...

Type II fatty acid synthesis (FAS II) pathway has been recently reported as an attractive targeting for their efficacy against infections caused by multi-resistant Gram-positive and Gram-negative bacteria. Among the rela...

Lippia alba (Mill.) N. E. Brown. (Verbenaceae) es una especie ampliamente utilizada en la medicina popular en Brasil como digestivo y antiséptico. La caracterización preliminar de los aceites esenciales obtenidos de ...

Fueron evaluadas las actividades antibacteriana e hipotensora del extracto acetona: agua y de extractos semipurificados del tallo de Stryphnodendron adstringens. El extracto crudo y los extractos semipurificados mostraro...

Ibicella lutea (Lindl.) Van Eselt. (Martyniaceae) is the sole species of the genus Ibicella from the small Martyniaceae family comprising just 3 genera (Martynia, Proboscidea and Ibicella) with 13 species. In Uruguay, wh...

Escherichia coli is known to produce enterotoxins whose properties and its role in diarrheal disease has been extensively investigated. Some species of Staphylococcus are often recognized as etiological agents of many an...

El aislamiento químico de un extracto semipurificado de las semillas de guaraná, Paullinia cupana H.B.K. var. sorbilis (Mart.) Ducke, resultó en la identificación de cafeína, catequina, epicatequina y procianidinas ...

Foi determinada a toxicidade aguda via oral e a ação antibacteriana por bioautografia, frente a bactérias Gram-positivas e Gram-negativas, de extratos de Tropaeolum majus L., planta reconhecida como medicinal. Nao for...

Se siguió por bioautografía la actividad antimicrobiana sobre Bacilus subtilis, Micrococcus luteus y Staphylococcus aureus, del cocimiento y extractos alcohólicos de partes aéreas desecadas de las especies citadas (C...

Based on informal interview, ethnoveterinary information about plants used in the prevention and control of bovine mastitis in Southern Brazil were obtained. Alternanthera brasiliana (L.) Ktze. ("penicilina"), Foeniculum...

The aim of the present study was to evaluate the antimicrobial and cytotoxic activity of the ethanolic extract of S. cumini according to the Clinical and Laboratory Standards Institute reference method (with modification...

O vetiver (Vetiveria zizanioides L. Nash) é uma planta aromática representante da família Poaceae e utilizada na terapia Ayurvédica. Nesse trabalho objetivou-se investigar a composição química do óleo essencial d...

Tetrapanax papyriferum (Hook) K.Koch (Araliaceae) es usada tradicionalmente en la medicina China para tratar inflamaciones y disenterías. En nuestro país es utilizada como sustituto de Cecropia pachystachya Mart. (= C...

Six new dodecanoic acid hydrazide-hydrazones (compounds 4a–f), unsubstituted or carrying hydroxy, methoxy, nitro and chloro groups on the benzene ring, were synthesized and tested, in vitro, for their antimicrobial act...

In an attempt to identify new antimicrobial compounds with potential to be used as a bactericidal/ fungicidal agent, a biomonitored study of extracts of Alternanthera brasiliana, which is used in Brazilian folk medicin...

En el presente trabajo se estudió la actividad inhibitoria sobre Escherichia coli O157:H7 de 6 cepas seleccionadas de Lactobacillus aisladas de queso ovino. El efecto antimicrobiano de los sobrenadantes de los cultivos ...