نتایج جستجو برای: cancer free radical scavenging activity medicinal plant
تعداد نتایج: 2784038 فیلتر نتایج به سال:
the oxidative stress causes many diseases in human, therefore antioxidants have a specialposition in the medicinal chemistry. tyrosol is an important antioxidant with a plenty ofbiological properties. there are many strategies such as clustering single drug units in orderto develop new drugs. the cluster effect can increase drug effects relative to single drug unit.calixtyrosol is the novel clu...
Background & Aim: Free radicals play a crucial role in the development of tissue damage in various human diseases such as cancer, aging, neurodegenerative disease, malaria and arteriosclerosis, and pathological events in living organisms. Antioxidants may have an important role in the prevention of these diseases. The aim of this study is to evaluate potency of scavenging of DPPH free radicals ...
A vast majority of the studies addressing the free radicals including hydroxyl radical is a damage compound of biochemical molecules such as DNA, proteins and lipids. When free radicals specially hydroxyl radical are not adequately removed from the body, it may damage biological macromolecules, leading to a variety of disease occurs. Therefore, the body should be protected by an enzymatic or no...
a vast majority of the studies addressing the free radicals including hydroxyl radical is a damage compound of biochemical molecules such as dna, proteins and lipids. when free radicals specially hydroxyl radical are not adequately removed from the body, it may damage biological macromolecules, leading to a variety of disease occurs. therefore, the body should be protected by an enzymatic or no...
In the present study crude methanolic extract of Stephania japonica leaf was investigated for possible antioxidant, analgesic and cytotoxic activity. The extract showed antioxidant activity in DPPH radical scavenging activity, nitric oxide scavenging activity and reducing power assays. In both DPPH radical and NO scavenging assay, the extract exhibited moderate antioxidant activity and the IC50...
Article history: Received on: 09/04/2015 Revised on: 07/05/2015 Accepted on: 21/05/2015 Available online: 27/07/2015 Free radical scavenging activity was observed in both the methanol extract (M.E) and aqueous extract (A.E) of Scoparia dulcis respectively. In this study significant free radical scavenging activity was determined by evaluating the inhibition concentration (IC50) in each test. In...
Lemon balm (Melissa officinalis) is a medicinal plant belonging to lamiaceae and is rich in antioxidant compounds. with the aim of optimizing the production of antioxidant compounds, in this research, we studied the effect of different concentrations of silver nanoparticles on growth indices and antioxidant activity of proliferated shoots in vitro culture. For this purpose, seedlings of seed ge...
this study was designed to examine the in vitro antioxidant activities and total phenolic contents of the methanolic extracts from male inflorescence of salix aegyptiaca l. grown in iran. the methanolic extract (me) and its three fractions including water (wf), butanol (bf) and chloroform (cf) were prepared and then their antioxidant activities, as well as total phenolic contents, were evaluate...
Essential oils from plants have been proven safe as natural antioxidants, and few are already marketed as digestive enhancers as well as in prevention of several degenerative diseases. This study evaluated the antioxidant capacity of seed and shell essential oils of Abrus precatorius (L), a herb used for ethno-medicinal practices in Nigeria. The essential oils were obtained by hydro-distillatio...
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