نتایج جستجو برای: β caroten linoleic acid assay
تعداد نتایج: 1089636 فیلتر نتایج به سال:
free radicals involved in a number of diseases due to the oxidative damage to dna, lipids, and proteins and which can result in failure of cellular functions. dried plant bulbs and leaves methanolic and ethanolic extracts were prepared. total antioxidant activities of the methanolic extracts of romulea ramiflora and gagea fibrosa were determined using β-caroten-linoleic acid assay. romulea-bulb...
Free radicals involved in a number of diseases due to the oxidative damage to DNA, lipids, and proteins and which can result in failure of cellular functions. Dried plant bulbs and leaves methanolic and ethanolic extracts were prepared. Total antioxidant activities of the methanolic extracts of Romulea ramiflora and Gagea fibrosa were determined using β-caroten-linoleic acid assay. Romulea-...
The genus Verbascum L. belongs to the family Scrophulariaceae and includes plants that have been used widely in traditional medicine for a long time. Methanolic extracts of three Verbascum species from flora of Iran were in vitro screened for their possible antioxidant activities by three complementary test systems, namely DPPH free radical-scavenging, metal chelating activity and β-carotene/li...
the genus verbascum l. belongs to the family scrophulariaceae and includes plants that have been used widely in traditional medicine for a long time. methanolic extracts of three verbascum species from flora of iran were in vitro screened for their possible antioxidant activities by three complementary test systems, namely dpph free radical-scavenging, metal chelating activity and β-carotene/li...
گیاهان معطر از زمان های قدیم به دلیل خواص دارویی و نگهدارندگی آن ها در برابر فساد و هم چنین برای عطر و طعم دادن به غذا استفاده می شده اند. خواص دارویی گیاهان معطر تا حدودی مربوط به اسانس های گیاهی می باشند. بر این اساس، در این پژوهش بخش های گل و برگ دو گیاه salvia sclarea l. وsalvia reuterana boiss. از خانواده لامیاسه (لابیاته) از منطقه ی رهق کاشان مورد بررسی قرار گرفت. ترکیب های طبیعی تشکیل ده...
This paper focused on the assessment of antioxidant property and fatty acid composition of four Centaurea species. The antioxidant activity of its methanol extract was evaluated by several in vitro experiments including phosphomolybedum assay, DPPH assay, β-carotene/linoleic acid, ferric and cupric reducing power. Total phenolic and flavonoid contents were also evaluated. The methanol extract o...
Fatty Acids, α-tocopherol, β-caroten, minerals, and some pomological properties of walnut genotypes from four locations (Iğdır, Tuzluca, Karakoyunlu, Kağızman) of Aras Valley (Eastern Turkey) were examined. In this study, the differences among the genotypes were determined in terms of some fruit characteristics, oil and protein contents, fatty acid composition, selenium content, α-tocophero...
background & aim: osmotic stress in plants lead to increase free radicals and plants use different mechanisms to scavenge these radicals. so, researchers apply stresses especially drought stress to increase secondary metabolites such as phenolics, and antioxidants. one of the valuable medicinal plants is yarrow (achillea tenuifolia) which is a perennial plant with different medicinal applic...
Background & Aim: Osmotic stress in plants lead to increase free radicals and plants use different mechanisms to scavenge these radicals. So, researchers apply stresses especially drought stress to increase secondary metabolites such as phenolics, and antioxidants. One of the valuable medicinal plants is yarrow (Achillea tenuifolia) which is a perennial plant with different medicinal a...
Background & Aim: Osmotic stress in plants lead to increase free radicals and plants use different mechanisms to scavenge these radicals. So, researchers apply stresses especially drought stress to increase secondary metabolites such as phenolics, and antioxidants. One of the valuable medicinal plants is yarrow (Achillea tenuifolia) which is a perennial plant with different medicinal a...
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