نتایج جستجو برای: antioxidant system
تعداد نتایج: 2314721 فیلتر نتایج به سال:
the first reaction between food components and biological tissues occurs in the oral cavity. saliva modulates the ecosystem in the oral cavity and plays a critical role in oral homeostasis. in addition, saliva is a first line of defense against free radical-mediated stress. salivary antioxidant defense mechanisms seem to be very important. in this study we discuss in detail free radicals (fr) a...
a valuable composition of mentha piperita l. essential oil is menthol that is widely used fordifferent industries. the plants were treated with different concentrations of methyl jasmonate (meja) and after 24 h were evaluated for total soluble proteins, chlorophylls (a, b, and total), malondialdehyde, carbohydrates and antioxidant enzymes (superoxide dismutase and guaiacol peroxidase). variance...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
Background: Postpartum depression (PPD) is a major depressive disorder and one of the most common complications of childbearing. PPD has a serious impact on the quality of life of all family members. Oxidative stress is one of the contributing factors in pathophysiology of major depression. Thus, drugs with potential antioxidant action could be an attractive target for treatment of depressive d...
Premna serratifolia Linn. (syn: Premna integrifolia) is one the most widely used plant in the Ayurvedic system of medicine. Several pharmacological activities including antioxidant effects and phytochemical investigations have been previously reported for the various parts of plant, except the root woody tissues. In the present study, the antioxidant activity and active principle of the root wo...
The free radical scavenging potential of the plant Alocasia indica(Linn.) was studied by using different antioxidant models of screening like scavenging of 1,1-diphenyl-2-picryl hydrazyl radical, nitric oxide radical, superoxide anion radical, hydroxyl radical, iron chelating activity, total antioxidant capacity, non-enzymatic glycosylation of haemoglobin, rapid screening for antioxidant compou...
Antioxidant enzymes perform a variety of vital functions including the reduction of life-shortening oxidative damage. We used the honey bee genome sequence to identify the major components of the honey bee antioxidant system. A comparative analysis of honey bee with Drosophila melanogaster and Anopheles gambiae shows that although the basic components of the antioxidant system are conserved, th...
BACKGROUND Our objective is to determine the activity of the antioxidant defense system at admission in patients with early onset first psychotic episodes compared with a control group. METHODS Total antioxidant status (TAS) and lipid peroxidation (LOOH) were determined in plasma. Enzyme activities and total glutathione levels were determined in erythrocytes in 102 children and adolescents wi...
The wistar strain male albino rats were fed with various seabuckthorn products for a period of 30 days, to determine the bioavailability of antioxidants in seabuckthorn based products (juice powder, jam, squash and fruit yoghurt) and concurrent effect on antioxidant system in rats. The excretion of antioxidants in urine and feces; availability of antioxidants in blood and tissues of liver, hear...
peppermint (mentha piperita l.), a herbaceous and perennial species whichis produced mainly for the medicine and food. the peppermint plants were initiated from 10 cm-long rhizome cuttings followed by transferring into pots. the 48 h-treated plants with methyl jasmonate (mj) concentrations (0, 0.1, 0.5 mm) were assessed for their total soluble proteins, malondialdehyde (mda), chlorophylls a, b ...
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