نتایج جستجو برای: natural antioxidant

تعداد نتایج: 568423  

2013

Recently, interest in plant-derived food additives has grown mainly because synthetic antioxidants suffer from several drawbacks. Some plants are traditionally used for both food and medicine in Iran. Aqueous and methanolic extracts of Smyrnium cordifolium Boiss leaves and stems and Sinapis arvensis L leaves, stems and flowers were prepared and evaluated for their total phenolic content (TPC), ...

2012
Soheila Moein Mahmoodreza Moein Mohammad Javad Khoshnoud Tahereh Kalanteri

BACKGROUND There is an interest in finding new and safe antioxidants from natural sources such as medicinal plants. OBJECTIVES The aim of this study was to evaluate the antioxidant activity of ten Iranian medicinal plants extracts. MATERIALS AND METHODS For antioxidant activity, the radical scavenging activity, reducing power and phenolic contents of ethanol plant extracts were determined. ...

2014
Vanitha Reddy Palvai Sowmya Mahalingu Asna Urooj

Natural antioxidants present in foods and other biological materials have attracted considerable interest because of their presumed safety and potential nutritional and therapeutic effects. Antioxidant constituents of plant materials act as radical scavengers and convert the radicals to less reactive species. Abrus precatorius (AP) was analyzed for its proximate and phytochemical composition. T...

Journal: :Molecules 2012
Lei Jin Yanlong Zhang Linmao Yan Yulong Guo Lixin Niu

Lily (Lilium) is used as an important edible and medical plant species with a vague taxonomic classification and a long history in China. Bulbs of six Lilium species (L. regale, L. concolor, L. pumilum, L. leucanthum, L. davidii var. unicolor and L. lancifolium) native to China were investigated with a view to their exploitation as a potential source of natural antioxidants due to their phenoli...

2010
Pitchaon Maisuthisakul

The antioxidant properties of Mango (Mangifera indica cultivar Chok-Anan) seed kernel (MSK) extracted by various extraction (shaking, refluxing, acid hydrolysis) methods were examined by applying 1, 1-diphenyl-2-picrylhydrazyl (DPPH) and 2, 2-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) (ABTS+) radical-scavenging assays and antioxidant activity using the ferric thiocyanate test (FTC). All ...

Journal: :iranian journal of pharmaceutical research 0
mohammad reza shams ardekani department of traditional pharmacy, school of traditional iranian medicine, tehran university of medical sciences, tehran, iran. mannan hajimahmoodi department of traditional pharmacy, school of traditional iranian medicine, tehran university of medical sciences, tehran, iran. drug and food control department, faculty of pharmacy, tehran university of medical sciences, tehran, iran. mohammad reza oveisi department of drug and food control, faculty of pharmacy, tehran university of medical sciences, tehran, iran nafiseh sadeghi department of drug and food control, faculty of pharmacy, tehran university of medical sciences, tehran, iran behrooz jannat ministry of health and medical education, tehran, iran. ali mohammad ranjbar department of traditional pharmacy, school of traditional iranian medicine, tehran university of medical sciences, tehran, iran.

pomegranate (punica granatum l.), lythraceae, is mainly grown in mediterranean region. it is one of the major cultivated productions of iran, which have been used in folk medicine for many centuries. it has been proved that pomegranate has a high antioxidant activity and is effective in the prevention of atherosclerosis. this study compares the antioxidant activity, total phenolic and flavonoid...

2017
Feng Pan Tian-Jiao Su Shi-Mei Cai Wei Wu

Diverse fungal endophytes are rich fungal resources for the production of an enormous quantity of natural products. In the present study, 53 fungal endophytes were isolated from the bulbs of Fritillaria unibracteata var. wabuensis (FUW). Of these, 49 strains were identified and grouped into 17 different taxa, and priority was conferred to the Fusarium genus. All fungal fermented filtrates displ...

Journal: :research in pharmaceutical sciences 0
sh dehshahri m wink s afsharypuor g asghari a mohagheghzadeh

natural antioxidants have an important role in the prevention of many age-related diseases and promotion of health. among natural antioxidants from plants, flavonoids and other phenolic compounds are potent antioxidants and chelating agents. moringa peregrina (forssk.) fiori (moringaceae) is a small desert tree distributed from tropical africa to east india. moringa tree is also growing in sout...

Journal: :Arab Universities Journal of Agricultural Sciences 2005

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