Results: 410

Agave mapisaga aqueous extract shows in vitro and in vivo activity on murine prostate cancer cells

Plants are a source of multiple antineoplastic treatments. However, the effect of many species used in traditional medicine has yet to be demonstrated. In this work, the taxonomic identification of Agave mapisaga was made and a high-performance liquid chromatography-mass spectromet...

Vicenin-2 and vitexin participate in the in vitromodulation of the anti-inflammatory and antioxidant activities exerted by two Urtica circularisextracts

Urtica circularis is an Argentinean species traditionally used to treat inflammation symptoms and oxidative stress-related diseases. Considering the uses in folk medicine, the purpose of this work was to evaluate and compare the anti-inflammatory and antioxidant activities of two different U. ...

Estudio preliminar fitoquímico de fracciones hexánicas de hojas de Eugenia uniflora L. (Myrtaceae)

Fractions from the Hexane Extract (HE) of Eugenia uniflora L. leaves were subjected to various chromatographic systems. Germacrone sesquiterpene and bornyl acetate bicyclic ester were characterized by High Performance Liquid Chromatography coupled to Mass Spectrometry (HPLC-MS) w...

Phytochemical and biological study of phenolic components from Geoffroea decorticans stem bark

The stem bark of Geoffroea decorticans (Gill.ex Hook. etArn.) Burk. was used medicinally to cure several skin affections; however, phytochemical and biological antecedents were not found. Analyses of purified methanolic extract from G. decorticans bark (PFGB), realized by silylation d...

Phytochemical profile, in vitro activities, and toxicity of optimized Eugenia uniflora extracts

In this study, we investigated the influence of mixture design on the chemical profile of Eugenia unifloraleaves, evaluating the antioxidant and antimicrobial activities, the toxic and hemolytic potential, with the focus on the improvement of the polyphenol’s extraction for in...

Antibacterial and antifungal activity of methanolic extracts of Salix alba L. against various disease causing pathogens

Braz. j. biol; 83 (), 2023
Abstract The present study was aimed to manifest the antibacterial and antifungal activity of methanolic extracts of Salix alba L. against seven Gram-positive and Gram-negative bacterial pathogens e.g. Streptococcus pyogenes, Staphylococcus aureus (1), S. aureus (2), Shigella sonnei, Escherichia coli (1)...

The inhibitory effect of Cannabis Sativa L. and Morus nigra L. against lipid peroxidation in goat liver and brain homogenates

Braz. j. biol; 83 (), 2023
Abstract The present study was aimed to evaluate the antioxidant potential and inhibitory effect ofCannabis sativa and Morus nigra against lipid peroxidation in goat brain and liver homogenates. The formation of free radicals, highly reactive oxygen species (ROS) and reactive nitrogen species (RNS) is a ...

Phytochemical screening of Cordia glabrata (MART.) A.DC. extracts and its potential antioxidant, photoprotective, antimicrobial and antiviral activities

Braz. j. biol; 83 (), 2023
Abstract Species of the genus Cordia have shown biological activities, such as anti-inflammatory, analgesic, antioxidant, antiviral, and antifungal activities. The species Cordia glabrata (MART) A.DC. Has no information concerning its phytochemical profile and possible biological activities. Thus, this s...

Antimicrobial, antioxidant activity and phytochemical prospection of Eugenia involucrata DC. leaf extracts

Braz. j. biol; 83 (), 2023
Abstract The species Eugenia involucrata DC. is a plant native to Brazil and is traditionally used for intestinal problems, however, little research has documented about its biological potential and phytochemical profile. Thus, the objective of this study was to carry out preliminary phytochemical prospe...

Influence of garlic extract on larval performance and survival of juvenile angelfish Pterophyllum scalare during transport

Braz. j. biol; 83 (), 2023
Abstract The objective of this study was to evaluate the properties of garlic as a growth promoter in larvae of angelfish Pterophyllum scalare and its benefits during transport of juveniles of this species. The experiment was conducted in recirculation aquaculture system, consisting of 20 tanks of 40 L e...