نتایج جستجو برای: antioxidant antibacterial fraction

تعداد نتایج: 279353  

2018
Muafia Jabeen Sajjad Ahmad Khadija Shahid Abdul Sadiq Umer Rashid

In thecurrent research work,eleven metal complexes were synthesized from the hydrazide derivative of ursolic acid. Metal complexes of tin, antimony and iron were synthesized and characterized by FT-IR and NMR spectroscopy. The antibacterial and antioxidant activities were performed for these complexes, which revealed that the metal complexes synthesized are more potent than their parent compoun...

2014
Jean P Dzoyem Lyndy J McGaw Jacobus N Eloff

BACKGROUND The Fabaceae family is the second largest family of medicinal plants, containing more than 490 species which are being used as traditional medicine. The aim of this study was to determine the antioxidant and antibacterial activity as well as the cytotoxicity of acetone leaf extracts of nine tree species from the Fabaceae family that have not been investigated well previously for poss...

Journal: :African journal of traditional, complementary, and alternative medicines : AJTCAM 2012
Ra Dickson Tc Fleischer E Ekuadzi G Komlaga

Euadenia eminens Hook f. (Capparaceae) has traditional uses in the management of conjunctivitis, iritis, ophthalmia, tuberculosis, otalgia and rectal prolapse. The fruit pulp is also eaten as an aphrodisiac. In this paper, we report on the anti-inflammatory, antioxidant and antibacterial effects of its roots. A 70 % ethanol extract was tested for anti-inflammatory effect using the carrageenan-i...

Journal: :Molecules 2012
Rui Liu Bin Zhao Dong-En Wang Tianyu Yao Long Pang Qin Tu Saeed Mahmoud Ahmed Jian-Jun Liu Jinyi Wang

A series of nitrogen-containing apigenin analogs 4a-j was synthesized via Mannich reactions to develop anticancer, antibacterial, and antioxidant agents from plant-derived flavonoids. The chemical structures of these compounds were confirmed using (1)H-NMR, (13)C-NMR, and ESI-MS. The in vitro biological activities of the analogs were evaluated via assays of their antiproliferative, antibacteria...

2012
Jamshed Iqbal Sumera Zaib Umar Farooq Afsar Khan Irum Bibi Saba Suleman

Context. Many diseases are associated with oxidative stress caused by free radicals. Objective. The present study evaluated the in vitro antioxidant and antibacterial activities of various extracts of aerial parts of Periploca aphylla and Ricinus communis. Materials and Methods. In vitro antioxidant activities of the plant extract were determined by DPPH and NO scavenging method. Superoxide ani...

2017
Héloïse Coté Marie-Anne Boucher André Pichette Jean Legault

Background:Tanacetum vulgare L. (Asteraceae) is a perennial herb that has been used to treat multiple ailments. Regional variability of the chemical composition of T. vulgare essential oils is well-known. Despite these regional chemotypes, most relevant studies did not analyze the complete chemical composition of the T. vulgare essential oil and its constituents in relation to their biological ...

Journal: :Acta poloniae pharmaceutica 2013
Dragana M Vucić Miroslav R Petković Branka B Rodić-Grabovac Olgica D Stefanović Sava M Vasić Ljiljana R Comić

Antibacterial and antioxidant activity, total phenolic and flavonoid concentrations of aqueous, ethanol and ethyl acetate extracts from the leaves and flowers of Erica herbacea L. were studied. In vitro antibacterial activity of the extracts was determined by macrodilution method. Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) have been determined. Testing w...

Journal: :Journal of peptide science : an official publication of the European Peptide Society 2013
Lezaan Prinsloo Alex Naidoo June Serem Helena Taute Yasien Sayed Megan Bester Albert Neitz Anabella Gaspar

Tick defensins may serve as templates for the development of multifunctional peptides. The purpose of this study was to evaluate shorter peptides derived from tick defensin isoform 2 (OsDef2) in terms of their antibacterial, antioxidant, and cytotoxic activities. We compared the structural and functional properties of a synthetic peptide derived from the carboxy-terminal of the parent peptide (...

2013
F. C. Akharaiyi B. Boboye

The methanol, ethanol and petroleum ether soluble crude and fractions extract of Gliricidia sepium and Spathodea campanulata leaf were examined for antibacterial activities, phytochemicals and possible sources of antioxidant. The antibacterial activity of the crude and fractions were carried out against nine clinical bacteria isolates using the agar well and disc diffusion methods respectively....

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