Bactericidal Activity
Mostrando 1-12 de 1911 artigos, teses e dissertações.
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1. Leishmanicidal and Antimicrobial Activities of 4-Quinolone Alkaloids from Stems of the Medicinal Plant Waltheria indica (Malvaceae) and Their Chemotaxonomic Significance
A chemical investigation of the stem of Waltheria indica (Malvaceae) yielded twelve 4-quinolone alkaloids, which were primarily waltheriones. These were waltherione A (1), waltherione B (2), waltherione C (3), waltherione G (4), waltherione H (5), waltherione J (6), waltherione L (7), waltherione P (8), chamaedrone (9), 8-deoxy-antidesmone (10), antidesmone
Journal of the Brazilian Chemical Society. Publicado em: 2022
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2. Development of technology for bakery products
Abstract The purpose of this study is to create an assortment of whole grain wheat bread that is resistant to microorganisms and has high nutritional value. The research was carried out on the microbiological purity of whole wheat flour, the inhibitory effect of plant extracts on thermophilic bacteria detected in flour and the amount of biologically active a
Food Sci. Technol. Publicado em: 2021-09
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3. Extract of Ellagitannins starting with Strawberries (Fragaria sp.) and Blackberries (Rubus sp.)
Abstract Characterize the content of phytochemical compounds present in samples of extracts of strawberry (Fragaria sp.) and blackberry (Rubus sp.). The extraction of said compounds was carried out with solutions of polar solvents, such as acetone, ethanol and methanol, using an experimental design with three factors: state of maturity, resting time and temp
Food Sci. Technol. Publicado em: 2020-06
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4. Potential of thyme essential oil on arugula sanitization
RESUMO Óleos essenciais de espécies vegetais são fontes alternativas importantes de compostos antimicrobianos no combate a patógenos de importância alimentar. O presente estudo buscou avaliar a atividade antimicrobiana in vitro do óleo essencial de tomilho (Thymus vulgaris), e aplicá-lo na sanitização de rúcula (Eruca sativa) minimamente processada
Ciênc. agrotec.. Publicado em: 20/01/2020
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5. Antimicrobial activity of propolis extract fractions against Staphylococcus spp. isolated from goat mastitis
RESUMO: O uso indiscriminado de antibióticos no tratamento de mastite caprina leva ao desenvolvimento de micro-organismos resistentes que poderão estar presentes em alimentos, colocando em risco a saúde humana. Dessa forma, a própolis surge como uma alternativa para o tratamento de doenças por possuir uma ação antimicrobiana, principalmente pela prese
Pesq. Vet. Bras.. Publicado em: 10/01/2020
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6. Anti-Helicobacter pylori and Anti-inflammatory Properties of Eugenia uniflora L.
Abstract Helicobacter pylori is a bacterium that reaches half of the world population and it’s recognized as the main cause of chronic gastritis and peptic ulcer. In this study, we evaluated the anti-H. pylori, antioxidant and immunomodulatory activities of the methanolic (MeOH) extract of Eugenia uniflora leaves and chemical profile. Anti-H. pylori activi
Braz. arch. biol. technol.. Publicado em: 20/12/2019
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7. Extract of Ellagitannins starting with Strawberries (Fragaria sp.) and Blackberries (Rubus sp.)
Abstract Characterize the content of phytochemical compounds present in samples of extracts of strawberry (Fragaria sp.) and blackberry (Rubus sp.). The extraction of said compounds was carried out with solutions of polar solvents, such as acetone, ethanol and methanol, using an experimental design with three factors: state of maturity, resting time and temp
Food Sci. Technol. Publicado em: 25/11/2019
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8. In-Vitro Antibacterial and Antifungal Effects of High Levels of Chinese Star Anise
ABSTRACT This study investigated the in-vitro antibacterial and fungicidal activities of three crude extracts of Illicium verum (absolute methanol, 50% methanol and aqueous extracts) against two Gram-positive bacteria (Staphylococcus aureus and Listeria monocytogenes), two Gram-negative bacteria (Escherichia coli and Salmonella Arizona), and two fungi (Asper
Braz. J. Poult. Sci.. Publicado em: 11/11/2019
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9. Antibacterial and Cytotoxic Potential of a Brazilian Red Propolis
Abstract Objective: To evaluate in vitro the effect of a red propolis ethanolic extract (RPE) in the prevention of growth of a cariogenic biofilm and its cytotoxic potential. Material and Methods: Minimum inhibitory and bactericidal concentrations (MIC and MBC) of RPE against Streptococcus mutans and Lactobacillus casei were determined. The cytotoxic poten
Pesqui. Bras. Odontopediatria Clín. Integr.. Publicado em: 31/10/2019
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10. ANTIBACTERIAL ACTIVITY OF ZINC OXIDE NANOPARTICLES SYNTHESIZED BY SOLOCHEMICAL PROCESS
Abstract ZnO-NPs can be obtained through various methods, resulting in nanoparticles with different size and morphology, which directly influences their antimicrobial potential. The objective of this work was to evaluate the antibacterial activity of ZnO-NPs obtained by a solochemical process against important human foodborne pathogens: Staphylococcus aureus
Braz. J. Chem. Eng.. Publicado em: 30/09/2019
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11. ANTIMICROBIAL ACTIVITY OF ETHANOLIC EXTRACTS FROM Commiphora leptophloeos (MART.) J. B. GILLETT AGAINST Staphylococcus SPP. ISOLATED FROM CASES OF MASTITIS IN RUMINANTS
Resumo Considerando o potencial terapêutico de plantas medicinais como alternativas à antibioticoterapia, a pesquisa visa avaliar a atividade antimicrobiana de Commiphora leptophloeos contra isolados de Staphylococcus spp. de leite de ruminante com mastite subclínica. Para isso, foi elaborado o extrato etanólico bruto da casca e folhas de Commiphora lept
Ciênc. anim. bras.. Publicado em: 30/09/2019
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12. Aplicação de método estatístico no estudo da influência do peróxido de hidrogênio e do borohidreto de sódio na síntese de nanoparticulas de prata (AGNPS)
RESUMO Nanomateriais vem atraindo bastante atenção nos últimos anos em virtude das suas propriedades que permitem aplicações em diversas áreas como: química, física, medicina, fármacos e engenharias. No universo dos nanomaterias, as nanopartículas de prata (AgNPs) tem despertado o interesse de vários pesquisadores devido ao seu potencial bacterici
Matéria (Rio J.). Publicado em: 16/09/2019