نتایج جستجو برای: vitro antioxidant scavenging assays
تعداد نتایج: 585303 فیلتر نتایج به سال:
Five phenolic compounds, namely N-trans-coumaroyltyramine (1), N-trans-feruloyltyramine (2), N-trans-feruloyloctopamine (3), 5,7-dihydroxy-8-methoxyflavone (4) and (3S)3,5,4'-trihydroxy-7-methoxy-6-methylhomoisoflavanone (5), were isolated from the fibrous roots of Liriope muscari (Liliaceae). Compounds 2-5 were isolated for the first time from the Liriope genus. Their in vitro antioxidant acti...
Inhibitory effects of root endophytic actinomycete A-12 from Azadirachta indica A. Juss (Indian lilac, neem) against α-amylase and α-glucosidase were studied. The antioxidant capability was assessed through 2,2-diphenyl-picrylhydrazyl (DPPH), hydroxy radical scavenging and reducing power assays. In vitro antidiabetic activity of ethyl acetate extract revealed good inhibition exhibiting IC50 val...
Zingiber zerumbet (L.) Smith, popularly known as shampoo ginger, is one of the most commonly used ingredients in Indo-Malaysian traditional medicines. The antioxidant and cytotoxic activities of the ethanolic extract of Z. zerumbet rhizome (ZZ) was investigated. 2,2-di(4-tert-octylphenyl)-1picryl-hydrazyl (DPPH) and hydroxyl radical scavenging assays showed significant radical scavenging activi...
The therapeutic potential of leaf extract of Bryophyllum pinnatum was screened for in vitro antioxidant potential and alpha amylase inhibitory action. Antioxidant activity of the extract was evaluated for hydroxyl radical scavenging activity by Fenton reaction, free radical scavenging by hydrogen peroxide scavenging and superoxide scavenging potential. The in vitro alpha amylase inhibition acti...
The present study was designated to evaluate the antioxidant, antibacterial and antischistosomal activities of Grateloupia livida (GL) extracts in vitro. A GL Ethanol extract (EE) was separated into petroleum ether (PE), ethyl acetate (EA), n-butyl alcohol (BuOH) and aqueous (AQ) fractions to fractionate the polar and non-polar compounds in the EE. Extracts antioxidant activities were evaluated...
BACKGROUND Iron in the overloaded condition in liver promotes the overproduction of free radicals that lead to oxidative stress and ultimately hepatic damage. The present study was designed to evaluate the ameliorating potential from iron overloaded hepatotoxicity by the glycosidic fraction from Spondious pinnata bark (SPW1) along with its antioxidant property. METHODS The fraction was tested...
this study sought to investigate the effects of two tomato varieties [Lycopersicon esculentum Mill. var. esculentum (Esc) and Lycopersicon esculentum Mill. var. cerasiforme (cEr)] on acetylcholinesterase (AchE) and butyrylcholinesterase (bchE) activities in vitro. Phenolics content, carotenoids characterisation, inhibition of Fe2+ and quinolinic acid-induced malondialdehyde (MDA) production in ...
The antioxidant property of the 70% aqueous ethanol extract of Phyllanthus amarus roots and its ether-soluble, ethyl acetate-soluble, and aqueous fractions were investigated by various in vitro assays. The root extracts showed higher DPPH, hydroxyl, superoxide, and nitric oxide radical scavenging and reducing power activity. Among all the samples, the ethyl acetate-soluble fraction demonstrated...
The in vitro antioxidant and antimicrobial activities of the essential oil and methanolic extract of Achillea sieheana Staf. (Asteraceae) were investigated in this study. The chemical composition of the essential oil isolated by hydro-distillation from the aerial parts of A. sieheana was analyzed by GC–MS. Camphor (43.36%), Artemisia ketone (25.95%), 1.8-cineole (6.29%) and camphene (4.77%) wer...
The antioxidant activities of ethanolic crude extract (ECE) and its four different solvent sub-fractions (namely, petroleum ether fraction (PEF), ethyl acetate fraction (EAF), n-butanol fraction (BF) and the aqueous fraction (AF) from the receptacles of Nelumbo nucifera Gaertn. (Receptaculum Nelumbinis) were investigated using two in vitro antioxidant assays. BF showed the highest total phenoli...
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