نتایج جستجو برای: natural antioxidant
تعداد نتایج: 568423 فیلتر نتایج به سال:
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), ...
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. ...
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...
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...
Antioxidant Potential and Phenolic Constituents of Mango Seed Kernel from Various Extraction Methods
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 ...
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...
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...
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...
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