نتایج جستجو برای: antioxidant activity and capacity
تعداد نتایج: 16985062 فیلتر نتایج به سال:
drought stress is one of the most important factors limiting the survival and growth of plants in the different habitats of iran. detailed knowledge about the ecophysiological responses of native plants to drought stress could contribute to the success of breeding and re-vegetation programs. six wild populations of anthemis tinctoria, were assigned to four drought treatments, i.e. well-watered ...
Background and purpose: Centaurea virgate Lam. (Gole-Gandome-Booteii or Gole-Gandome-Tarkeii in Persian) from Asteraceae, is one of the medicinal plants which is used in numerous regions, including western regions of Iran. This study aimed at investigating the cytotoxic activity and antioxidant capacity of C.virgata extracts. Materials and methods: Petroleum ether, dichloromethane, ethyl aceta...
This study was designed to examine the chemical composition and in-vitro antioxidant activity of the essential oil and methanolic extract of Teucrium orientale subsp. taylori. The GC and GC–MS analysis of the essential oil resulted in determination of 40 components representing 96.4% of the oil. The major constituents of the oil were linalool (28.6%), caryophyllene oxide (15.6%), 1,8-cineol (4....
Background and objective: Few studies have shown the role of oxidative stress in gestational diabetes mellitus. Increased oxidative stress and antioxidant defense dysfunction could be one of the etiologic factors in gestational diabetes mellitus. The aim of this study was to evaluate levels of salivary antioxidants in pregnant women with gestational diabetes mellitus and their comparison with n...
Background : Oxidative stress plays an important role in the pathogenesis of some diseases such as lung cancer, chronic obstructive pulmonary diseases and atheroscleorosis. Smoking may enhance oxidative stress through the production of reactive oxygen radicals in smoke and weakens the antioxidant defense system.The present study was conducted to determine the effect of cigarette smoking on supe...
This study examined if pre-germination altered the water content and water activity, contents of phytate, total phenolic, (±)-catechin, quercetin and total antioxidant capacity of almond (Prunus dulcis)kernel. Raw almond kernels were submerged for 15 hours in water, 0.02 mol dm-3 phosphate buffer solution (pH 5.0) and 0.02 mol dm-3 phosphate buffer solution (pH 7.0) at 25 and 40ºC, respectivel...
Introduction: Zinc is part of the antioxidant system, so zinc deficiency impairs the body's antioxidant defense system and leads to increased oxidative stress. The objective of this study was to investigate the effect of zinc oxide on the antioxidant status in rat. Methods: Twenty-five male Wistar rats of 5-8 weeks’ old were divided into five groups of five animals each. Next, du...
the antioxidant activities of methanol (me), ethanol (ee), water (we) and ethyl acetate (eae) extracts of four inula helenium l. taxa (i. helenium ssp. orygalis (boiss.) grierson, i. helenium ssp. pseudohelenium grierson, i. helenium ssp. turcarasemosa grierson and i. helenium ssp. vanensis grierson) were investigated. the phosphomolybdenum assay, β-carotene–linoleate bleaching and dpph radical...
Researchers have always been looking for appropriate patterns of nutritional strategies and physical activities to prevent and treat diseases, increase well-being as well as improving physical performance. This study aimed at reviewing several studies on the relationship between saffron and physical activity. In this study, the relationship between saffron consumption and physical activity of v...
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...
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