Antioxidant activity and free radical scavenging capacity. Pdf screening of total phenol and flavonoid content. Except for iron chelating activity, distinct correlation coefficients 0. The total free radical quenching dpph assay revealed the antioxidant activity of ic 50 9. Antioxidant activity and phytochemical analysis of a few. Phytoecdysteroids of silene guntensis and their in. The antioxidant capacity and phenolic content of antiinflammatory and medicinal plants in colombia.
Pdf phytochemical studies, antioxidant activity and. The extract exhibited moderate antioxidant activity and apoptotic properties on hela cell line 1. Methanol extracts from three silene species from iran s. Five methods were used for antioxidant activity, which are 2, 2azinobis3ethylbenzthiazoline6sulfonic. This study shows that the endophytic fungi isolated. Screening of in vitro antioxidant activity of methanolic. Oxidative stress plays a major part in the development of many diseases including cancer, which is known imbalance free radicals and antioxidants.
The antioxidant activity of the lipid extracts of eight marine algae belongingto the cystoseira genus has been evaluated in a micellar model system. The activity has been ascribed to the presence in the extracts oftetraprenyltoluquinols, which are tocopherollike compounds characteristicof these algae. Fedtsch from uzbekistan, which had not been investigated previously vvedenskiy, 1953, is a promising target for phytochemical investigations and deter. Therefore, plant oils are widely used as a substrate for testing antioxidant.
The activity of the other three antioxidant enzymescatalase ec 1. Antioxidant activity of aqueous, chloroform and methanol extract of the aerial parts of plant oftricholepis glaberrima dc were evaluated for the antioxidant activity by the ftc and tba methods. Many plants with high antioxidant activity are great of significant in the pharmaceutical and cosmetic industries. Results have been expressed as relative antioxidant efficiencyrae, defined as the ratio of. Effect of thunbergia laurifolia, a thai natural product used to treat drug addiction, on cerebral activity detected by functional magnetic resonance imaging in the rat watchareewan thongsaard, charles. In vitro biological activities of the components from. Water and nbutanol extracts exhibited good antioxidant activities. Winkdiversity of secondary metabolites in the genus silene l. Nutritional composition, antioxidant activity and phenolic. Antioxidant, anticancer activity and phytochemical. Biological and antioxidant activities of silene sp. Antioxidants, classification of antioxidants, natural. Phytochemical and antioxidant activities of ipomea ochraceae. Phenolic compounds in sugar cane saccharum officinarum l.
This study is devoted to the estimation of total phenolic content and the evaluation of in vitro antioxidant and antibacterial activities of crude extracts petroleum ether, ethyl acetate and methanolic obtained from the species silene inflata sm. Phytoecdysteroids of silene guntensis and their in vitro cytotoxic. In central asia, 84 species plants of the silene genus. Phytoecdysteroids of silene guntensis and their in vitro cytotoxic and antioxidant activity.
Because there is no widely adopted total antioxidant parameter as a nutritional index for labeling food and biological fluids, it is desirable to establish and standardize methods that can measure the total. Evaluation of antioxidant activity of medicinal plants. In the present study, antioxidant activities of the phenolic extracts from h. The antioxidant activity of polysaccharide from bryopsis plumosa was reported by song et al. Antioxidant activity and phytochemical screening of. Antioxidant activity of phenolics compounds from sugar. Screening of total phenolic and flavonoid content in. However, there are few reports on these species from the cerrado brazilian savanna. Antioxidant activity of silene alba and stellaria media 2 spatula dd introduction free radicals are chemically unstable atoms that cause damage to cell lipids, proteins and dna as a. Although it had the highest antioxidant activity ec 50 8.
Antioxidant properties of medicinal plants from peru. The antioxidant activities of the methanol extracts from the leaves and stems of celtis africana ulmaceae were assessed in an effort to validate the medicinal potential of the subterranean part of. The compounds 1 and 2 are reported for the first time from this genus. Phytochemical components and biological activities of silene. Mamadalieva, abdulaziz adilhanovich janibekov, lyle e. Phytochemical studies, antioxidant activity and protective. Diversity of secondary metabolites in the genus silene l. The ability of the plants extracts to reduce ferric ions was determined using the frap assay developed by benzie and strain 1996. Antioxidant activity of methanol extracts of different. Vol 4 no 2 2017 international journal of secondary. The total phenolic content of the obtained extracts was estimated spectrophotometrically by the folinciocalteu method, the antioxidant. Fedtsch from uzbekistan, which had not been investigated previously vvedenskiy, 1953, is a promising. Regular paper evaluation of antioxidant activity of medicinal plants containing polyphenol compounds.
The aim of this study was to evaluate the antioxidant activity of hydroethanolic extract from silene vulgaris moench garcke leaves. Ethanolic extracts of fruit bodies of five species eight strains of the genus phellinus, and five solvent extracted fractions derived from one of these extracts ph. The antioxidant activity was performed by dpph radical scavenging method, which. In this study, the antioxidant activity and phenolic. A very good correlation between radical scavenging activity and polyphenol. Assessment of antioxidant activity of plant extracts by.
Antioxidant activity of selected commercial seaweeds significant differences p genus is the most. Antioxidant activity and phenolic composition of brazilian. Structural, physiological and genetic diversification of silene. Pdf screening some of plants from silene genus for 20hydroxyecdysone nazim a. Antioxidant activity of extracts of the marine algal genus. A and azeez l total antioxidant activity, phenolic, flavonoid and ascorbic acid contents of nigerian vegetables. Antioxidant properties of the methanol extracts of the. Phytoecdysteroids from silene plants semantic scholar. Pdf phytoecdysteroids of silene guntensis and their in. In vitro antioxidant and antibacterial activity of. Changes in antioxidant enzyme activity and transcript levels of related genes in limonium sinense kuntze seedlings under nacl stress article pdf available june 2014 with 46 reads how we. The remaining fungal extracts exhibited significant level of total phenolic and flavonoid content, antioxidant and antibacterial activity. Phytoecdysteroids of silene guntensis and their in vitro.
Myrtaceae and their antioxidant activity mahmoud i. Screening of total phenol and flavonoid content, antioxidant and antibacterial activities of the methanolic extracts of three silene species from iran article pdf available january 20 with. Comparison of two extraction systems maria kratchanova1, petko denev1, milan ciz2, antonin lojek2. Materials and methods plant material and general experimental methods fresh leaves of ipomeaochracea were collected in the month of november, 2016 from afebabalola. Antioxidant and antibacterial activities of the species.
Pdf diversity of secondary metabolites of the genus silene. Antioxidant activity has become a hot topic and the subject of intensive investigation due to the everincreasing demand by the food and pharmaceutical industries. This study is devoted to the estimation of total phenolic content and the evaluation of in vitro antioxidant and antibacterial activities of crude extracts petroleum ether, ethyl acetate and. Antioxidant capacity of three silene extracts obtained by. Five methods were used for antioxidant activity, which are 2. Pdf antioxidant activity of silene alba subsp divaricata and. Herein, new natural antioxidant compounds have great interest in the scientific research. Natural antioxidants either are synthesized in human body through metabolic process or are supplemented from other natural sources, and their activity very much depends upon their physical. Antioxidant activity of phenolicssaponins rich fraction. Antioxidant activity is evaluated by dpph radical scavenging assay and free radical scavenging ability of the extracts.
Antioxidant activities of aqueous extracts of selected. The antioxidant activity of extracts was expressed in % of reduced dpph radical by a unit of plant extract. Structural, physiological and genetic diversification of. Comparative analysis of antioxidant activity in various. The result showed that the extract of oxidant activity. Antioxidant activity in plant oil plant oils contain unsaturated fatty acids, which are most sensitive to oxidative degradation. Antioxidant activity methanol extracts from three silene species from iran s. Antioxidant activity of selected commercial seaweeds.
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