نتایج جستجو برای: in vitro antioxidant activity

تعداد نتایج: 17153337  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده کشاورزی 1392

چکیده بررسی فعالیت ضد اکسیدانی و ضدمیکروبی عصاره گیاه بن سرخ (allium jesdianum) به کوشش: زهرا مقیمی هدف از این تحقیق بررسی میزان ترکیبات فنولی کل، ترکیبات فلاوونوئیدی کل، فعالیت ضداکسیدانی و ضدمیکروبی عصاره ی گیاه تازه و خشک بن سرخ بود. استخراج عصاره به روش های غوطه وری، استفاده از همزن مغناطیسی، دستگاه مایکروویو، امواج فراصوت و گرمادهی مقاومتی و با استفاده از متانول، اتانول و آب به عنوا...

Journal: Journal of Herbal Drugs 2018

Background & Aim:Caryopteris odorata is an aromatic shrub of family verbenaceae growing in tropical to subtropical regions. Various traditional applications of this plant have been documented guiding us to investigate the pharmacological activities and to further investigate the chemical composition. Experimental: Methanolic extract of aerial par...

Journal: :iranian journal of pharmacology and therapeutics 0
tirtha ghosh tapan kumar maity mrinmay das anindya bose deepak kumar dash

the ethanol extract of bacopa monnieri linn. (schrophulariaceae) aerial parts (ebm) was investigated for any in vitro and in vivo antioxidant and hepatoprotective effects. ebm was prepared and estimation of total phenolics was carried out. further, the antioxidant activity of ebm was studied using four in vitro models. the amount of total phenolics was estimated to be 47.7 (g of pyrocatechol eq...

رهنما, محمد, فاضلی نسب, بهمن, مزارعی, ایوب,

Background and purpose: Measurement of DPPH free radical scavenging is a valid, accurate, and easy method with high repeatability in evaluating the in vitro antioxidant activity of plant extracts. A positive correlation is reported between antioxidant activity and antimicrobial activity. The aim of this study was to evaluate the correlation between antioxidant and antimicrobial activity of medi...

Journal: :iranian journal of basic medical sciences 0
azizeh asadzadeh department of biology, science and research branch, islamic azad university, tehran, iran hajar sirous department of medicinal chemistry, school of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran morteza pourfarzam department of medicinal chemistry, school of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran parichehreh yaghmaei department of biology, science and research branch, islamic azad university, tehran, iran afshin fassihi department of biochemistry, school of pharmacy and pharmaceutical sciences, isfahan university of medical sciences, isfahan, iran

objective(s): tyrosinase is a key enzyme in pigment synthesis. overproduction of melanin in parts of the skin results in hyperpigmentation diseases. this enzyme is also responsible for the enzymatic browning in fruits and vegetables. thus, its inhibitors are of great importance in the medical, cosmetic and agricultural fields. materials and methods: a series of twelve kojic acid derivatives wer...

Journal: :iranian journal of radiation research 0
k.v. sharma radiation biology laboratory, department of zoology, university of rajasthan, jaipur, india-302055 r. sisodia radiation biology laboratory, department of zoology, university of rajasthan, jaipur, india-302055

background: radioprotective efficacy of prunus avium fruit extract (pae) rich in vitamin a, c, e and anthocyanin was studied against radiation induced biochemical alterations in mice brain. materials and methods: in-vitro assays were performed with pae for its antioxidant studies thereafter for in-vivo study, swiss albino mice were divided into five groups. group 1 (control) normal mice. group ...

A Sonboli M Mojarrad S Nejad Ebrahimi SH Enayat

This study was designed to examine the in vitro antioxidant activities and total phenolic contents of the methanolic extracts from male inflorescence of Salix aegyptiaca L. grown in Iran. The methanolic extract (ME) and its three fractions including water (WF), butanol (BF) and chloroform (CF) were prepared and then their antioxidant activities, as well as total phenolic contents, were evaluate...

A Sonboli M Mojarrad S Nejad Ebrahimi SH Enayat

This study was designed to examine the in vitro antioxidant activities and total phenolic contents of the methanolic extracts from male inflorescence of Salix aegyptiaca L. grown in Iran. The methanolic extract (ME) and its three fractions including water (WF), butanol (BF) and chloroform (CF) were prepared and then their antioxidant activities, as well as total phenolic contents, were evaluate...

E. Nikkhah, M. Khayami R. Heidari

Antioxidant activity of Berry (Morus alba var. nigra) was investigated. For superoxide anion radical assay, the superoxide anion radicals were generated by a pyrogallol auto oxidation system, Nitric oxide radical inhibition by the use of Griess Illosvoy reaction and reducing power was determined according to the Oyaizu method. At least this sample was represented a potential antioxidant capacit...

Journal: :the iranian journal of pharmaceutical research 0
nilufer orhan department of pharmacognosy, faculty of pharmacy, gazi university didem deliorman orhan department of pharmacognosy, faculty of pharmacy, gazi university alper gökbulut department of pharmacognosy, faculty of pharmacy, ankara university mustafa aslan department of pharmacognosy, faculty of pharmacy, gazi university fatma ergun department of pharmacognosy, faculty of pharmacy, gazi university

fruit and leaves of junipers are commonly used internally as tea and pounded fruits are eaten to lower blood glucose levels in anatolia. thus, we aimed to evaluate antidiabetic and antioxidant potential and the chemical profile of juniperus foetidissima willd. and j. sabina l. in this study. in-vitro antidiabetic activities of leaf and fruit extracts were examined by their inhibitory activity o...

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