Eloffa a phytomedicine programme, department of paraclinical sciences. Several in vitro methods have been used to screen plants for their antioxidant potential, and in most of these assays theyrevealed potent antioxidant activity. Phytochemical, cytotoxicity and antioxidant activities of. However, the isoderived plants were more phytochemically enriched compared to the dsoplants. The aqueous extracts of medicinal plants widely used in oriental medicine were examined for their reducing power, scavenging ability toward superoxide and hydroxyl radicals, and their inhibitory effect on lipid peroxidation.
Antioxidant activity is an excellent example of a functional benefit that plant extracts can deliver. The antioxidant, antiinflammatory, and cytotoxic activities of water and ethanol extracts of 14 chinese medicinal plants were investigated and also their total phenolics and flavonoid contents measured. Evaluation of antioxidant capacity of plant extracts by. Apr 20, 2017 infusions of medicinal plants are investigated by potentiometry using a system of k 3 fecn 6k 4 fecn 6. The reducing power of herba lycopi and cortex gleditsiae was more apparent than with other plants. Significance of antioxidant potential of plants and its. Antioxidant and antiinflammatory activities of selected. As antioxidant activity is the basic factor of food function and also plays an important role in herbal medicine function, the antioxidant activity of many herbal resources and kampo formulas has been studied and much information has accumulated.
Caffea arabica showed greater antioxidant activity measured as scavenging of dpph, superoxide radicals, reducing power and inhibition of microsomal lipid peroxidation. Study of the antioxidant activity and total polyphenol. Various studies show that some medicinal plants have more potent antioxidant activity than. Effect of extraction solventtechnique on the antioxidant activity of selected medicinal plant extracts bushra sultana 1, farooq anwar 1, and muhammad ashraf 2 1 department of chemistry and biochemistry, university of agriculture, faisalabad38040, pakistan 2 department of botany, university of agriculture, faisalabad38040, pakistan. Witch hazel, propolis epid, artichoke, and hawthorn afforded.
In fact, herbal extracts and their major phytochemical compounds possess a. Evaluation of antioxidant activity of medicinal plant. May 14, 2015 the phytochemical analysis of the micropropagated plants also revealed a comprehensively higher yield of various secondary metabolites with significantly higher antioxidant potentials in both iso and dsoderived plants over the mother plant. Asian journal of plant science and research, 2015, 52. Comparison of the antioxidant activity of aromatic medicinal. Pages 9098 received 09 sep 2015, accepted 02 oct 2015. Comparison of the antioxidant activity of aromatic.
Celery apium graveolens l is a plant from the apiaceae family and phenolic and antioxidant compounds of this plant have been studied by several scientists. Study design by correlate different study and article about the antiangiogenic activity of different plant available in iraq and make collection of different information of medicinal plant grow in iraq. In this study, antioxidant activity, total phenolic and total flavonoid contents of 30 species extracts, from 15 botanical families grown on three localities agdz, tafraout and taroudannt of souss massa draa southern morocco, were determined. Models of some flavonoids, phenol carbonic acids, ascorbic acid, and their mixtures are studied. Frontiers evaluation of antioxidant, antidiabetic and. Because microorganisms have developed resistance to many antibiotics 7. However, the isoderived plants were more phytochemically enriched compared to the dso plants. Diabetes mellitus is one of the most common noncommunicable diseases globally. School of biotechnology, yeungnam university, gyeongsan, gyeongbuk 712749, republic of korea 2.
The percentage of antioxidant activity of the plants and the trolox standard were calculated using the following formula. Pdf on jan 10, 2015, yousif bilto and others published antioxidant properties of twelve selected medicinal plants commonly used in jordan find, read and. Antioxidant activity and total phenolic and flavonoid. Antioxidant activity and total phenolic and flavonoid contents of 30 medicinal and aromatic plants located in the south of morocco taroudannt. Jan 01, 2015 medicinal plants have been used in virtually all cultures as a source of medicine. Pdf antioxidant activity of selected medicinal plants of. Extract, free radical, antioxidant activity, medicinal plant. Chemistry of medicinal plants, foods, and natural products 2015. Antioxidant properties of several medicinal plants.
Eloffa a phytomedicine programme, department of paraclinical sciences, faculty of veterinary science, university of. It possessed 54 mgml in it and azadirachtaindica possessed lower antioxidant activity of 28 mgml. Antibacterial and antioxidant activity of traditional. Antioxidant properties of medicinal plants from peru.
A large number of medicinal plants and their purified constituents have shown beneficial therapeutic potentials. Study of the antioxidant activity and total polyphenol concentration of medicinal plants. In vitro evaluation of antioxidant activity of some plant. The antioxidant activity of plant extracts is not limited to phenolics javanmardi et al. The collected plants were cleaned, dried under shade at room. The antioxidant activity aa was calculated in terms of percentage inhibition relative to the control from ic50. Antioxidant activity an overview sciencedirect topics. Medicinal plants, also called medicinal herbs, have been discovered and used in traditional medicine practices since prehistoric times. The widespread use of herbal remedies and healthcare preparations is described in the vedas and the bible. Antibacterial, antioxidant activity of ethanolic plant extracts of some.
Antioxidant activity of plant extracts was assessed by. Assurance of the safety, quality, and efficacy of medicinal plants and herbal products has now become a key issue in industrialized and in developing countries. An increased global demand has been observed over years. Among selected chinese medicinal plants the highest antioxidant capacities and. Pdf antioxidant activity and total phenolic and flavonoid. Dependences of antioxidant activity on extraction time are obtained. The antioxidant properties, determined with dpph and abts scavenging assays as well as frap test, were. Pdf methods for determining the antioxidant activity. Antimicrobial and antioxidant activity analysis of some.
Study of antioxidant and antimicrobial activity of medicinal. The moisture content of the plant samples was found to. Enzyme inhibitory properties, antioxidant activities, and. Preliminary phytochemical screening, quantitative estimation of total flavonoids. Evaluation of antioxidant activity of two important memory. The antioxidant activity of medicinal plants was at. Plants have an innate ability to biosynthesize a wide range of nonenzymatic antioxidants capable of attenuating ros induced oxidative damage. Evaluation on antioxidant properties of sixteen plant species from. Graph showing the antioxidant activity in plants the antioxidant activity was higher in vitexagnuscastus than other plants. Even so, it is very important to have accurate assessments and. Phytochemical screening, medicinal plants, secondary metabolites, flavonoids. The plants containing antioxidant compounds can protect. Antioxidant activity of medicinal plants in di erent biological substrates. Antiinflammatory, anticholinesterase and antioxidant activity of leaf extracts of twelve plants used traditionally to alleviate pain and inflammation in south africa j.
The majority of the antioxidant activity is due to the flavones, isoflavones, flavonoids, anthocyanin, coumarin lignans, catechins and isocatechins 1. The most common and widely distributed group of phenolic compounds in plants is flavonoids. Pages 11841189 received 29 apr 2015, accepted 04 aug 2015. Phytochemical, cytotoxicity and antioxidant activities of five antimalaria plants. Received 3rd july 2015 accepted 25 th august 2015 published 12 th september 2015 abstract the purpose of this work is to appreciate different aromatic and medicinal plants from morocco belonging to four different families, by chemical characterization and evaluation of their antioxidant activity. Together, all 3 tests provide a better assessment of antioxidant properties than separately.
Phytochemical screening and antioxidant activity of ethanolic extract of rhizanthes deceptor. Antioxidant and ecofriendly ovicidal activity of medicinal plants against some common plant pests gayathri. We aimed to investigate the inhibitory potential of three medicinal plants hedysarum varium. Antioxidant phytochemicals for the prevention and treatment. This is an open access article distributed under the terms of the creative commons attribution license, which permits unrestricted use, distribution, and build upon your work noncommercially. Preliminary phytochemical screening, quantitative estimation. Plants synthesise hundreds of chemical compounds for functions including defence against insects, fungi, diseases, and herbivorous mammals. Antioxidant activity in plants azadirachtaindica fig 1. Graph showing the antioxidant activity in plants the antioxidant activity was higher in. Antioxidantbased drug formulations are used for the prevention and treatment of complex diseases like atherosclerosis, stroke, diabetes, alzheimers. Modern knowledge of medicinal plants is being systematised in the medicinal plant transcriptomics database, which by 2011 provided a sequence reference for the transcriptome of some thirty species. Pdf study of antioxidant activity of chlorophyll from. Antioxidant activity exhibited by medicinal plants.
Medicinal plants represent a rich source of antimicrobial agents. Medicinal plants have been used in virtually all cultures as a source of medicine. Introduction the value of medicinal plants in drug discovery is known to us well and the human being used them for various purposes from the beginning of the human history 1. The bark extract of the plant showed scavenging activity of hydroxyl radicals and the extract contained polyphenols. The assessment of antioxidant capacity of medicinal plants is just the first step in research activity.
The antioxidant activity was evaluated in a biological assay using saccharomyces cerevisiae, whereas the radical scavenging activity was measured using the 2,2diphenyl1picrylhydrazyl dpph. Evaluation on antioxidant properties of sixteen plant species. Antioxidative activity of tea march 27, 2015 herbalist off tea. The antioxidants compounds like ascorbic acid, total phenols and tannins were also evaluated in these plants. Investigation of phytochemical contents, in vitro antioxidant. In vitro antioxidant and free radical activity of some. Minimal bactericidal concentration of metanoic extracts ranged from 12. The major plant compounds characterized by antioxidant activity are polyphenols.
Three in vitro tests for antioxidant activity, the dpph radical scavenging test, hydroxyl scavenging test, and lipid peroxidation assay, were used to assess the antioxidant properties of the methanol extracts of 10 medicinal plants table 1. In this study, 11 medicinal plants were analysed for their proximate composition and antioxidant activity. Various herbs and spices have been reported to exhibit antioxidant activity, including ocimum sanctum, piper cubeba linn. Antioxidant activity, antimicrobial and effects in the immune system. We included the irregular growth of blood vessels contributes to the pathogenesis. Aim of the present study is evaluated various medicinal plants used for anti diabetic activity. In this study, the antioxidant properties of 80 % ethanol extracts of 16. Numerous phytochemicals with potential or established biological activity have been identified. Find, read and cite all the research you need on researchgate. Antioxidant and ecofriendly ovicidal activity of medicinal. Abstractnowadays, medicinal plants, and fruits and vegetables with. Antioxidant activity of selected medicinal plants journal.
Significance of antioxidant potential of plants and its relevance to therapeutic applications. The main aim and objective of my research work is the isolation of volatile oil from the leaves of plants by gcms analysis and screening of in vitro antioxidant potential of hydroalcoholic. Effect of extraction solventtechnique on the antioxidant. Plants are an important source of natural active products that are different, based on mechanism and biological properties. The major classes of pharmacologically active phytochemicals are described below, with examples of medicinal plants that contain them. Department of biotechnology, veer narmad south gujarat university, udhana magdhalla road, surat india. Research article antioxidant activity of selected medicinal. Pdf on jan 1, 2015, ali esmail alsnafi and others published. The oxidation process in any living organism causes production of free radical, if not balanced by their consumption. Antioxidant orthosiphon aristatus java tea march 11, 2016 herbalist off medicinal and aromatic plants, orthosiphon aristatus bl. The study shows the highest antioxidant activity by t.
Dpph free radical scavenging activity of phenolics and flavonoids in. Free radical scavenging activity of the plants with 2, 2diphenyl1picrylhydrazyl dpph recorded significant ic 50 values for the inhibition of dpph by ethanolic leaves extracts of ac 0. Antioxidant activity of some common medicinal plants. Antioxidant activity of medicinal plants in different biological substrates the antioxidant activity of the samples in cholesterol is given in figure 1. Antioxidant activity, medicinal plants, phenolic compounds, radical scavenging. Ephedra alata decne, phytochemical screening, total flavonoids, total phenols, antioxidant. The antioxidant properties, determined with dpph and abts scavenging assays as well as frap test, were strongly correlated with total phenolic content, while there was no correlation with the carotenoid content. Journal of medicinal plant research vol 624pp 40824086 26 june, 2012. Ex vivo antioxidant activity of selected medicinal plants. Studies of medicinal plants as potential antioxidants and. Screening of radical scavenging activity of some medicinal and. As a continuing program, we edited a special issue for 2015. Pharmacology and medicinal properties with emphasize on antioxidant activity will be followed. Commonly used medicinal plant extracts with standardized content of polyphenols were investigated for their total antioxidant activity taa.
Infusions of all studied plants have shown antioxidant activity, though there was a large diversity between the results. The phytochemical analysis of the micropropagated plants also revealed a comprehensively higher yield of various secondary metabolites with significantly higher antioxidant potentials in both iso and dsoderived plants over the mother plant. Antiinflammatory, anticholinesterase and antioxidant. Introduction the many number of medicinal plants are used in the cellular and metabolic disease. Method collected plant species were subjected to maceration in methanol for 72 hrs.
Plants contain a wide variety of free radical scavenging molecules, such as polyphenols, dietary glutathione, vitamins and endogenous metabolites. Good antioxidant activity was observed with ic50 values of 156 4 and 377 6. It is evident that the extracts of the plant samples have shown varied inhibitory activity. Estimation of phytochemical content and antioxidant. Review significance of antioxidant potential of plants and. Assessing the influence of various factors on antioxidant. Antimicrobial and antioxidant properties of medicinal. Pdf on jan 1, 2015, narasimhan banu and others published study of antioxidant activity of chlorophyll from some medicinal plants. Chemistry of medicinal plants, foods, and natural products.
In vitro antioxidant and free radical activity of some nigerian medicinal plants. Even so, it is very important to have accurate assessments and in future researches should bow of comparable data. Plants are known to contain a variety of natural antioxidants that protect and preserve their physical and metabolic integrity as well as their heredity by way of their seeds. All extracts tested were found to be highly active on scavenging. However, the term antioxidant comprises rather complex features.
Total phenol content, antioxidant and antimicrobial. Study of antioxidant and antimicrobial activity of. Gangavaram maheshwar reddy,visweswaran rao dolly sarma etal evaluation of antioxident activity index by the 2,2 diphenyl 1 picryl hydrazyl method of 40 medicinal plants. Antibacterial and antioxidant activities of 8 aromatic plants from the balkan peninsula were studied. Therefore, it is pertinent to explore the traditional medicinal plants, which can be utilized for lowering blood glucose levels and also obesityrelated biomarkers. The antioxidant activity of polyphenols is accredited to their redox properties i. In 2014, we published the first special issue of chemistry of medicinal plants, foods, and natural products, aiming to address safety, identity, and efficacy of the natural entities. Fourteen medicinal plants were chosen for in vitro antioxidant activity. Some of the herbal plants and active chemical constituents which have a role in the management of diabetes mellitus are compiled here are. Antimicrobial and antioxidant activity analysis of some medicinal plants of.
Medicinal plants and their uses medicinal herbs home. Pdf antioxidant properties of twelve selected medicinal plants. Singh 1, poonam singh 1 scientist, division of toxicology, csircentral drug research institute, lucknow, u. Minimal inhibitory concentration of metanoic extracts ranged from 6. Some selected medicinal plants used by bentian tribe from indonesia were evaluated for potential antimicrobial and antioxidant properties. The value of medicinal plants in drug discovery is known to us well and the human being used them for. Significance of antioxidant potential of plants and its relevance to. The proximate compositions of different medicinal plants are presented in tables 2 and 3. For the past three decades, antioxidants are used to treat complex disorders such as cancer and alzheimers disease. Rhizophora mangle is a plant from rhizophoraceae family. Objective the objective of the study was to investigate the antioxidant activity of selected medicinal plants.
Antioxidant activity, pharmacology, plants, prooxidants. The leaves stem bark and root of the plants were extracted with nhexane, ethyl acetate and ethanol to give respective extracts. Introduction in ecuador, the use of medicinal plants is a widespread practice, especially among habitants of. The antioxidant activity of these two medicinal plants was evaluated by measuring reducing ability, free radical scavenging activity by dpph and hydrogen peroxide methods. Plantderived products such as polyphenols, terpene. Table 1 gives a list of medicinal plants analysed along with parts used and medicinal uses. To correlate the antiangiogenic effect of medicinal plants available in iraq.