نتایج جستجو برای: ferric reducing antioxidant power assay
تعداد نتایج: 1018455 فیلتر نتایج به سال:
In the quest for new medicines, the methanolic, hexanic, and aqueous extracts of Adiantum caudatum leaves, obtained by Soxhlet extraction, were analyzed for phenolic and flavonoid contents, and antioxidant and antimicrobial potential. TPCs (total phenolic content) of the methanolic, aqueous and hexanic extracts were 27.7, 21.1, and 16.7 μg of gallic acid equivalents per mL, respectively, while ...
This study was designed to examine the in vitro antioxidant activities of the essential oil and methanol extracts of rhizoma Alpinia officinarum (small galanga) from China. The essential oil was analyzed by gas chromatography/ mass spectrometry (GC/MS) and 46 constituents were identified. Methanol extract from rhizoma A. officinarum was fractionated by chromatography of silica gel using ethyl a...
The present study aimed to investigate antibacterial and antioxidant properties of proteins produced by the enzyme hydrolysis of rainbow trout (Oncorhynchus mykiss) skin produced by alcalase and flavourzyme enzymes. Antibacterial activity of skin protein hydrolysate were done by disc diffusion, agar pit diffusion and microdilution methods. Antioxidant activity of skin protein hydrolysate were i...
The objective of this study was the assessment antioxidant and cytotoxic activity from Tanacetum dolicophyllum. Soxhlet extraction has been used for preparing plant extracts which five solvents have used, i.e., Petroleum ether, benzene, ethyl acetate, ethanol, water. Proteins, tannins, phlobatannins, amino acids, carbohydrates, alkaloids, steroids, flavonoids, glycosides, cardiac phenols were d...
Biosurfactants, the microbial originated surface active agents, can modify the physicochemical properties of surfaces and reduce the bacterial adhesion via changing bacterial adhesion interactions on surfaces. They were also able to block oxidative chain reactions and might show antioxidant properties. The goal of this study was to evaluate the antioxidant and antibiofilm activities of biosurf...
abstractferulago angulata boiss. known in iran as chavir, has some bioactive compounds having antioxidant activity. because of its antioxidant activities, it sounded chavir extract can be a good candidate for finding chemopreventive agents having inductive apoptosis properties on cancer cells. in this study, the cytotoxic effects and proapoptotic activities of chavir’s leaf and flower extracts ...
Structures of condensed tannins from the stem bark and fine root of Casuarina equisetifolia were identified using MALDI-TOF MS and HPLC analyses. The condensed tannins from stem bark and fine root consist predominantly of procyanidin combined with prodelphinidin and propelargonidin, and epicatechin is the main extension unit. The condensed tannins had different polymer chain lengths, varying fr...
A series of new 4-(((4-(5-(Aryl)-1,3,4-oxadiazol-2-yl)benzyl)oxy)methyl)-2,6-dimethoxy phenol (6a-i) were synthesized from cyclization of 4-(((4-hydroxy-3,5-dimethoxy benzyl)oxy)methyl) benzohydrazide with substituted carboxylic acid in the presences of phosphorusoxy chloride.The resulting compounds were characterized by IR, 1H-NMR, 13C-NMR, and HRMS data. 2,2-Diphenyl1-picrylhydrazide (DPPH) a...
OBJECTIVE Boerhaavia elegans L. (Nyctaginaceae) is a medicinal plant used for the treatment of kidney disorders, urinary tract disorders and blood purification in Baluch tribe. The aim of present study is to evaluate the antioxidant property of B. elegans species for the first time. MATERIALS AND METHODS Different parts (leaf, stem and fruit) of the plant were extracted by using various solve...
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