نتایج جستجو برای: nitric oxide scavenging assay

تعداد نتایج: 408576  

Ali Asghar Hatamnia Hatamnia Khoshnood Nourollahi Parviz Malekzadeh,

The objective of this study was to evaluate total phenolic content and antioxidant activity of leaf and different parts of fruit (hull, shell, and kernel) of Bene in Ilam province. Total phenolic content was determined with the Folin- Ciocalteu Reagent (FCR); antioxidant activity of methanolic extracts were examined by DPPH (2,2diphenyl- 1- picrylhydrazyl), FRAP (ferric reducing antioxidant pow...

Journal: :Molecules 2012
Chong Grace-Lynn Ibrahim Darah Yeng Chen Lachimanan Yoga Latha Subramanion L Jothy Sreenivasan Sasidharan

Lantadenes are pentacyclic triterpenoids present in the leaves of the plant Lantana camara. In the present study, in vitro antioxidant activity and free radical scavenging capacity of lantadene A was evaluated using established in vitro models such as ferric reducing antioxidant power (FRAP), 2,2-diphenyl-1-picryl-hydrazyl (DPPH•), hydroxyl radical (OH•), nitric oxide radical (NO•), superoxide ...

Journal: :pharmaceutical and biomedical research 0
mohammad ali ebrahimzadeh pharmaceutical sciences research center, school of pharmacy, mazandaran university of medical sciences, sari, iran. afsaneh tavassoli research center of natural resources of mazandaran, sari, iran.

the genus helichrysum (asteraceae),is comprised of approximately 500-600 species and used for the treatment of a variety of pathological conditions in folk medicine in many countries. in this study, antioxidant activities of aerial parts ofh. pseudoplicatum were investigated employing various in vitro assay systems, i.e. 2,2-diphenyl-1-picrylhydrazyl (dpph) and nitric oxide radical scavenging, ...

ژورنال: دانشور پزشکی 2018
امینی زاده, مریم, کاوسی, غلامرضا,

Objective: In this study, inhibitory effect of Zataria multiflora essential oil on superoxide and nitric oxide production and NADH oxidase (NOX) and nitric oxide synthase (NOS) expression was examined. Materials and Methods: Zataria essential oil was obtained by hydro-distillation and chemical composition was analyzed by gas chromatography-mass spectrometry (GC-MS). Superoxide and ni...

2017
Biba Vikas Akhil B S Remani P K Sujathan

Annona squamosa has extensively been used in the traditional and folkloric medicine and found to possess many biological activities. Different solvents, petroleum ether, chloroform, ethyl acetate and methanol extracts of Annona squamosa seeds (ASPE, ASCH, ASEA, ASME) have been used to prepare plant extracts. The present investigations dealt with the free radical scavenging activity of four extr...

Journal: :Indian journal of experimental biology 2006
Susanta Kumar Mondal Goutam Chakraborty M Gupta U K Mazumder

Antioxidant activity of defatted methanol extract of D. malabarica bark was studied for its free radical scavenging property on different in vitro models e.g. 1,1-diphenyl-2-picryl hydrazyl (DPPH), nitric oxide, superoxide, hydroxyl radical and lipid peroxide radical model. The extract showed good dose-dependent free radical scavenging property in all the models except in hydroxyl radical inhib...

2016
Manikkam Radhakrishnan Ganesan Vijayalakshmi Vanaja Kumar

Article history: Received on: 04/05/2016 Revised on: 29/05/2016 Accepted on: 20/06/2016 Available online: 28/06/2016 Streptomyces from rare ecosystems is the promising source for secondary metabolites exhibiting diverse biological activities. The present study reports the antioxidant activity and antimicrobial activity against biofilm forming bacteria by the pigment produced from Desert soil St...

2010
M. G. RANA

Free radicals are implicated for many diseases including diabetes mellitus, arthritis, cancer, ageing. etc. In the treatment of these diseases, antioxidant therapy has gained utmost importance. Alcoholic extract of Medicago sativa was studied for its in vitro antioxidant activity using different models viz. DPPH radical scavenging, ABTS radical scavenging, iron chelating activity, lipid peroxid...

Journal: :The European respiratory journal 2000
G J Westerveld H P Voss R M van der Hee G J de Haan-Koelewijn G J den Hartog R A Scheeren A Bast

The nasal decongestants oxymetazoline and xylometazoline are frequently used in the topical treatment of rhinitis and sinusitis. As nitric oxide (NO) is thought to play a role in inflammation of the upper respiratory tract, the aim of this study was to examine the in vitro effects of these compounds on the activity and the expression of NO producing enzymes, including the inducible form of NO s...

Afsaneh Tavassoli, Mohammad Ali Ebrahimzadeh,

The genus Helichrysum (Asteraceae) is comprised of approximately 500-600 species and used for the treatment of a variety of pathological conditions in folk medicine in many countries. In this study, antioxidant activities of aerial parts of H. pseudoplicatum were investigated employing various in vitro assay systems, i.e. 2,2-diphenyl-1-picrylhydrazyl (DPPH)  and nitric oxide radical scave...

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