نتایج جستجو برای: frap

تعداد نتایج: 3504  

Journal: : 2021

Clinopodium vulgare L. (Lamiaceae) was used in the traditional Bulgarian medicine for treatment of wounds, diabetes and gastric ulcers. The aim present study to evaluate antioxidant capacity extract (CVE) fractions from C. (CV) using DPPH, ABTS FRAP methods. Enzyme inhibitory activity against acetylcholinesterase, α -glucosidase -amylase also investigated. Rosmarinic acid as a positive control....

2014
Iordanka Alexieva Dasha Mihaylova Aneta Popova

The antioxidant activity of aqueous extracts of fresh leaves of costmary (Chrysanthemum balsamita L.) was investigated. The effect of the extraction time on total phenolic compounds (TPhC) and antioxidant activity (ABTS -, CUPRACand FRAP assays) was studied. Results demonstrated highest levels of TPhC (0.60 GAE/g fresh plant weight), CUPRAC (5.93 μMTE/g FW), ABTS (10.68 μMTE/g FW), and FRAP (7....

ژورنال: :طب جنوب 0
ماریه هنرمند maryeh honarmand department of oral medicine, school of dentistry, zahedan university of medical sciences, zahedan, iranگروه بیماری های دهان، دانشکده دندانپزشکی، دانشگاه علوم پزشکی زاهدان علیرضا نخعی alireza nakhaie department of biochemistry, school of medicine, zahedan university of medical sciences, zahedan, iranگروه بیوشیمی، دانشکده پزشکی، دانشگاه علوم پزشکی زاهدان لیلا فرهادملاشاهی leila farhadmollashahi department of oral medicine, school of dentistry, zahedan university of medical sciences, zahedan, iranگروه بیماری های دهان، دانشکده دندانپزشکی، دانشگاه علوم پزشکی زاهدان جواد ابوچناری javad abuchenari department of endodantix, school of dentistry, mashhad university of medical sciences, mashhad, iranگروه اندودانتیکس، دانشکده دندانپزشکی، دانشگاه علوم پزشکی مشهد

زمینه: در بدن انسان سیستم های ویژه ای برای مقابله با آسیب های حاصل از رادیکال های آزاد وجود دارد که به نام سیستم دفاع آنتی اکسیدانی معروفند. دیابت یکی از مهم ترین بیماری های شایع مزمن است که تغییر ظرفیت آنتی اکسیدانی در آن گزارش شده است. بنابراین این پژوهش با هدف تعیین و مقایسه ظرفیت آنتی اکسیدانی بزاق بیماران دیابتی در مقایسه با افراد غیر دیابتی انجام شده است. مواد و روش ها: در این مطالعه مورد...

Journal: :research journal of pharmacognosy 0
h. hajimehdipoor traditional medicine and materia medica research center and department of traditional pharmacy, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran. l. ara traditional medicine and materia medica research center, shahid beheshti university of medical sciences, tehran, iran. h. moazzeni department of botany, research center for plant sciences, ferdowsi university of mashhad, mashhad, iran. s. esmaeili traditional medicine and materia medica research center and department of traditional pharmacy, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran.

background and objectives:alzheimer’s disease (ad) is a neurodegenerative disorder. nowadays, many investigations are performed to find new drugs for ad and medicinal plants are considered as one of the most important sources for developing new drugs. according to the role of oxidant agents and acetylcholinesterase enzyme (ache) in ad, plants with antioxidant and ache inhibition properties coul...

Journal: :research journal of pharmacognosy 0
n. khosravi dehaghi department of pharmacognosy, faculty of pharmacy, alborz university of medical sciences, karaj, iran. a.r. gohari medicinal plants research center, faculty of pharmacy, tehran university of medical sciences, tehran, iran. s.s. sadat-ebrahimi department of medicinal chemistry, faculty of pharmacy, tehran university of medical sciences, tehran, iran. h. naghdi badi institute of medicinal plants, iranian academic center for education, culture & research (acecr),karaj, iran. y. amanzadeh department of pharmacognosy, faculty of pharmacy, tehran university of medical sciences, tehran, iran.

background and objectives:lallemantia iberica (lamiaceae) is a medicinal plant distributed in different parts of iran. this research, has evaluated the phytochemical constituents and antioxidant activity of the aerial parts of the plant. methods: different chromatographic methods such as column chromatographies using silica gel (normal and reversed phases), sephadex lh-20 and hplc were used for...

2014
Jan W. Krieger Agata Pernus Peter Brazda Jörg Langowski

Typical microscopic methods used for characterizing intracellular protein mobility are, e.g., fluorescence photobleaching recovery (FRAP) and fluorescence correlation spectroscopy (FCS). Of these, FRAP can image protein mobility in entire two-dimensional sections of live cells, but is typically limited to the time resolution of confocal image series, some frames per second. FCS, on the other ha...

2010
Feng-Lin Song Ren-You Gan Yuan Zhang Qin Xiao Lei Kuang Hua-Bin Li

Antioxidant capacities of 56 selected Chinese medicinal plants were evaluated using the Trolox equivalent antioxidant capacity (TEAC) and ferric reducing antioxidant power (FRAP) assays, and their total phenolic content was measured by the Folin-Ciocalteu method. The strong correlation between TEAC value and FRAP value suggested that the antioxidants in these plants possess free radical scaveng...

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