The antioxidant activity and phenolic contents of the stem as determined by the dpph, proanthocyanidins, total. The antioxidative activity of a total of 92 phenolic extracts from edible and nonedible plant materials berries, fruits, vegetables, herbs, cereals, tree materials, plant sprouts, and seeds was examined by autoxidation of methyl linoleate. The antioxidant properties, determined with dpph and abts scavenging assays as well as frap test, were. The highest value of peroxide is found in butylated hydroxy anisole bha containing oils, when monitored from 0 to 28 days and values were in order of 2. Several assays have been frequently used to estimate antioxidant capacities in plant extracts including dpph 2,2. Increasing the concentration of the extracts resulted in increased ferric reducing antioxidant power. Evaluation of estrogenic activity of plant extracts for the potential treatment of menopausal symptoms jianghua liu, joanna e. Phytochemical and some pharmacological activity of acetone extracts of some sudanese plants enas ali hassan elhag a lkangar1, mona a m abdelmageed2 and fatima m abdelmageed3.
Tocopherol was used as a standard to evaluate the antioxidative activity of samples. In the light of aforesaid facts, it is suggested that the presence of phenolic compounds including flavonoids in w. Antioxidant activity dpph free radical scavenging activity of methanolic extract the antioxidant activity of the plant extracts and the standard was assessed on the basis of the radical scavenging effect of the stable 1, 1diphenyl2picrylhydrazyl dpphfree radical activity by modified method. Contrerasesquivel a raul rodriguezherrera a maria l. Plant extracts 1 ml were allowed to react with 1 ml of the abts solution and the absorbance was taken at 734 nm after 7 min using the spectrophotometer. Evaluation of estrogenic activity of plant extracts for. Antibacterial activity of petroleum ether extract of t. The essential oils of the plants were also analyzed for their antioxidant properties. In the previous chapters 3 and 4, it was shown that p.
Antioxidant properties of medicinal plants from peru 73. Total phenolic content, in vitro antioxidant activity and chemical composition of plant extracts from semiarid mexican region author links open overlay panel jorge e. Therefore, plant oils are widely used as a substrate for testing antioxidant activity. This is a good study in which the authors evaluated the antioxidant activity of extracts of root, stem, leaf, flower and fruit of l.
Antibacterial activities of some plant extracts utilized in popular medicine in palestine 102 1. Several studies have proven its hepatoprotective activity and further the plant is reported to possess antidiabetic activity 6. Antioxidant activity of plants methanolic extracts. Trolox tr was used as a standard, and the totalantioxidant capacity of plant extracts were measured as mm tr equivalent. Omdurman islamic university, faculty of pharmacy, department of pharmacognsy, khartoum sudan.
The concentration of extracts in lard varied from 0. Assessment of antioxidant activity of plant extracts by. In these works aoa are given in units % mg, mgml or mgg, that characterrizes ao content in studied extracts 49. Antioxidant activity, total phenolic and total flavonoid. Antioxidant activity of extracts from calocedrus formosana. Phytochemical investigation and biological activity of. The antioxidant activity and low cytotoxicity of tarchonanthus camphoratus probably justify its use in folk medicine. The inhibition of the elastase enzyme was also evaluated. Antioxidant activities of aqueous extracts of selected. Antioxidant activity of polyphenolic plant extracts.
Among the important biological properties exhibited by plant polyphenols, their antioxidant activity has raised a great interest 1. Antioxidant activity of herbaceous plant extracts protect. Phytochemical and some pharmacological activity of acetone extracts of some. Antioxidant activity of some medicinal plant extracts on. Spodoptera littoralis larvae were less sensitive to the extracts when plant 43 extracts noticed antifeedant activity lower than the 50%, and an effective in the range of 5095% was found in. Antioxidant activity and phytochemical screening of different solvent extracts cluasena excavate burm f. Karthika abstract the aim of present study was to estimate the total phenolic and flavonoid contents in vitro antioxidant potential of methanolic leaf and root extracts of the herb. The plants and plant products are frequently used as drugs, especially in developing. Antioxidant activity and phytochemical screening of different.
Phytochemical analysis of methanolic extracts of leaves of some medicinal plants sudipa nag, anirban paul and rituparna dutta department of botany, rampurhat college, rampurhat, birbhum, west bengal, india. The effect of various plant extracts was measured on several important oxidation indicators. Antibacterial activities of some plant extracts utilized. Medicinal herbs are commonly associated with high antioxidant potential, and hence their health benefits. Antioxidant activity of methanol extracts of different parts. To evaluate the antioxidant activity of the plant extracts from heartwood, bark, and leaf. Determining the antioxidant property of plant extracts. Storage effect on phenols and on the antioxidant activity of. All species contain significant amounts of polyphenolic compounds and they may be considered an important source of natural antioxidants for pharmaceutical uses. Preliminary phytochemical screening, quantitative estimation.
To the best of our knowledge there are no earlier reports yet available regarding the detailed evaluation of antioxidant principles of extract from plants of thymus. Antioxidant activity and phytochemical screening of. Herbal plants considered as good antioxidant since ancient times. The study aimed to investigate antioxidant activity, acute and subacute toxic potential of methanolic extract of leaves of libyan capparis spinosa subsp orientalis duh. The present study deals with the analysis of phytochemical. Antioxidant capacity of selected plant extracts and their. Antioxidant activities of aqueous extracts of selected plants. The amount of total phenols and flavonoids and the antioxidant activity of leaf, stem, and rhizome methanolic extracts from a commonly consumed anemopsis californica under different storage conditions were investigated. Antimicrobial activities and phytochemical screening of callus and seeds extracts of fenugreek. Antioxidant activity was studied using dpph, cuprac, reducing power assay, deoxyribose degradation site and nonsite specific, ferric reducing antioxidant potential frap, ferric thiocyanate ftc. Screening of in vitro antioxidant activity of methanolic leaf. The stable radical dpph has been used widely for the determination of primary antioxidant activity, that is, the free radical scavenging activities of pure antioxidant compounds, plant and fruit extracts and food materials. In the present study, methanol and aqueous extracts of parkinsonia aculeata l.
Preliminary phytochemical screening, quantitative estimation of total flavonoids, total phenols and antioxidant activity of ephedra alata decne. Phytochemical and some pharmacological activity of acetone. Generally, the presence of different phytochemicals in crude plant extracts has been linked to the detrimental effects of. The antioxidant property of the plant material is due there is paucity of information regarding the to the presence of many active phytochemicals including inhibitory effects of orange peel extract on lipid vitamins, flavonoids, terpenoids, carotenoids, cumarins, oxidation. In vitro study on antiglycation activity, issn antioxidant. The content of total phenolics in the extracts was determined spectrometrically according to the folin. Phytochemical composition of ethanolic and aqueous extracts of the leaves, stembark, root, fruits and seeds i.
American journal of research communication, 2015, 35. Antioxidant properties of medicinal plants from peru. Nidal jaradat 1, fatima hussen1 and anas al ali 2 1department of pharmacy, faculty of medicine and health sciences, annajah national university nablus, state of palestine. Antioxidant properties of plant extracts edelweiss publications. Than dried up under the shed dry for three week furthermore crush it. Bello abstract phytochemicalsare active secondary plant metabolites responsible for most of the claimed medicinal activities of plants. Study of total phenolic and flavonoid content, antioxidant. In nonsite specific degradation assay, methanol and aqueous extracts show the inhibition of 71. Antioxidant properties of the methanol extracts of the leaves. Phytochemical investigation and in vitro antioxidant activity.
Extracts of 40 green, black or oolong high quality tea samples from china, japan or india among others, have been prepared according to the manufacturer instructions and assayed for total po lyphenols content using the folinciocalteu phenol reagent. Antimicrobial activities and phytochemical screening of. Antioxidant activity of methanol extracts of different. Preparation of plant extracts fresh plant material was washed under running tap water. Material and method plant material collection terminalia arjuna leaves of plants were collected from sanjivani ayurvedic nursery bhopal during october month 2011. Antimicrobial activities and phytochemical screening of callus and seeds extracts of fenugreek trigonella foenumgraecum mawahib e. Antioxidant activity of plant extracts from colombian flora. The antioxidants present in the plant extracts react with oxidizing agents and. Frap assay was done according to benzie and strain procedure 40. Pdf on dec 5, 2011, elita scio and others published antimicrobial and antioxidant activities of some plant extracts find, read and cite all the research you. The plant extracts have been developed and proposed for use as antimicrobial substances4. Evaluation of estrogenic activity of plant extracts for the.
The week activity of the water extract against most bacterial strains investigated in this study is in agreement with previous works. The antioxidant activities of methanol extracts of oregano, dittany, thyme, marjoram, spearmint, lavender and basil were tested in lard stored at 75c. Phytochemical analysis and antibacterial activity of. In vitro antimicrobial activity of aqueous and ethanolic. All the extracts did not show significant cytotoxic properties p. Phytochemical investigation and in vitro antioxidant activity of an indigenous medicinal plant alpinia nigra b. About 50g of coarsely powdered plant materials 50g250ml were extracted in a soxhlet extractor for 8 to 10 hours, sequentially with petroleum ether, chloroform, ethyl acetate, methanol and water. Phytochemicals, antioxidant and antimicrobial potentials. Preliminary phytochemical analysis of the extracts of. Antioxidant and potential antiinflammatory activity of. Storage effect on phenols and on the antioxidant activity. They contain active constituents that are used in the treatment of many human diseases3. Phytochemical analysis of methanolic extracts of leaves of.
If plant extracts contain antioxidant activity, it may clearup free radicals from the body, and boost the immune system to handle the infection or illness effectively. Antifeedant activity of plant extracts on leptinotarsa. Preparation of plant extracts fresh plant material was washed under running tap water, air dried and powdered. The gram positive bacteria showed more sensibility for the plants extracts than gramnegative bacteria 14.
Antioxidant activity of extracts from calocedrus formosana leaf, bark, and heartwood received. Screening of in vitro antioxidant activity of methanolic leaf and root extracts of hypochaeris radicata l. Plant phenolics are widely distributed in the tissues of plants as well as play a vital role in the highly effective free radical scavengers and antioxidant activity. Saeed department of biology and biotechnology, faculty of science and technology, al neelain university, khartoum, sudan corresponding author a b s t r a c t foenum. Evaluation of antioxidant activity of some plant extracts. Estimation of the total flavonoids in the plant extracts was carried out using the method of ordon ez et al. The influence of plant material enzymatic hydrolysis and.
The week activity of the water extract against most bacterial strains investigated in this study is in agreement with previous works which show that aqueous extracts of plant. The assay is based on the reduction of dpph radicals in methanol which causes an absorbance drop at 515 nm. The aim of this study was to assess the efficacies of three plant extracts for their potential antioxidant and antiinflammatory activity in primary human skin fibroblasts. Aqueous extracts and formulations of white tea, witch hazel and rose were subjected to assays to measure anticollagenase. The water extract of osbeckia octandra significantly lowered the. A green and e cient approach aneta krakowskasieprawska 1, katarzyna ra.
Qualitative and quantitative phytochemical analysis of. Antioxidant activity in plant oil plant oils contain unsaturated fatty acids, which are most sensitive to oxidative degradation. Analgesic and antiinflammatory activity of kalanchoe. September 8, 2003 abstract calocedrus formosana florin cupressaceae is an endemic tree to taiwan. Considering the obtained results, the following order in antioxidant activities was established. Medicinal plants are considerably useful and economically essential.
Because most natural antioxidants and phytochemicals are multifunctional i. Activity in some citrus leaves and seeds ethanolic extracts. The extracts were assessed for their radical scavenging potential using sitespecific and nonsitespecific deoxyribose degradation assay. Antioxidant properties of the methanol extracts of the. Antioxidant activity evaluation of dried herbal extracts. Keywordsantioxidant activity, citrus seeds and leaves, h 2 o 2 i. Oregano extract was found to be the most effective in stabilizing lard, followed by thyme, dittany, marjoram and lavender extracts, in a decreasing order. In this study the antioxidant activity of fortysix methanol plant extracts, from the botanical families asteraceae, euphorbiaceae, melastomataceae, rubiaceae and solanaceae, collected at the regional natural park ucumari rnpu, risaralda, colombia, were established by using the 1,1diphenyl2picrylhydrazyl dpph radicalscavenging assay. Antibacterial activity of extracts prepared from tropical and subtropical plants on methicillinresistant staphylococcus aureus. Abstract the present investigation deals with the phytochemical studies of leaves of different medicinal plants like andrographis. Total phenolic content, in vitro antioxidant activity and chemical composition of plant extracts from semiarid mexican.
Comparative analysis of the antioxidant and freeradical. Phytochemical investigation and biological activity of leaves. Total phenolic contents, free radical scavenging activities and antioxidant capacities of origanum onites extracts prepared using different methods were determined. In these works aoa are given in units % mg, mgml or mgg, that character. Dec 19, 2016 butylated hydroxytoluene bht and extracts 600 and 1200 ppm o. Antioxidant activity and cytotoxicity of the leaf and bark. The chemical examination follows after the isolation and biological screening of the active fraction1. Pdf antimicrobial and antioxidant activities of some plant extracts. Qualitative and quantitative phytochemical analysis of moringa concanensis nimmo. The water extracts of three samples of osbeckia octandra leaves from three different areas had significant antiglycation activity 23. A detailed study was performed on the antioxidant activity of the methanol extract of whole. It is well known that the antioxidant activity of plant extracts containing polyphenol components is due to the capacity to be donors of hydrogen. Antibacterial, antioxidant activity of ethanolic plant extracts of some.
Antioxidant activity of polyphenolic plant extracts mdpi. Pdf methods for determining the antioxidant activity. The reacted solution obtained 1 ml was used for tba assay. Antioxidant properties of the methanol extracts of the leaves and stems of celtis africana adeolu a. Antisnake venom activity of different extracts of pouzolzia indica against russel viper venom anas ahmed1, k.
Screening of in vitro antioxidant activity of methanolic. Infusions of all studied plants have shown antioxidant activity, though there was a large diversity between the results. Phytochemical investigation and in vitro antioxidant. Comparative study of antioxidant properties and total.
Antioxidant activity of some plant extracts of the family. Antioxidant activity of methanol extracts of different parts of lantana. Antioxidant properties of different plant extracts and pure compounds can be. Phenol and saponin were present in only methanol extracts of leaves and flowers.
Study of total phenolic and flavonoid content, antioxidant activity and antimicrobial properties of medicinal plants. The aim of this study was to screen various solvent extracts of whole plant of torilis leptophylla to display potent antioxidant activity in vitro and in vivo, total phenolic and flavonoid contents in order to find possible sources for future novel antioxidants in food and pharmaceutical formulations. Indeed, for use in food and nutraceuticals, aqueous plant extracts are nutritionally more relevant and would have obvious advantages in relation to certi. Rajendaran1, durga jaiswal2, hari pratap singh3, ashutosh mishra3, dinesh chandra4, indranil kumar yadav5and d. A laboratory exercise on determining the antioxidant activity of plant extracts jacinto et al. Total phenolic content, in vitro antioxidant activity and.
Jain5 1department of pharmacognosy, mcops, manipal576104, india. Numerous works devoted to antioxidant activity of plant extracts are published. Antioxidant activity of plant extracts containing phenolic. Antibacterial and antifungal activity of terminalia arjuna. Numerous reports have identified therapeutic roles for plants and their extracts and constituents. The commerce of dried herbal extracts movements a big. Phytochemical screening and antioxidant activity of moroccan. In vitro antibacterial activity was studied against e. Phytochemical and some pharmacological activity of acetone extracts of some sudanese plants. Keywords antioxidant activity, citrus seeds and leaves, h 2 o 2 i. Phytochemical screening showed that maximum presence of phytoconstituents in ethanolic and hydroalcoholic extracts. These data suggest that the combination of in vitro bioassays for estrogenic activity along with isolation and characterization of the active components by lcms is a valid approach for identification of plant extracts beneficial. It has been reported that the antioxidant activity of phenol is mainly due to their redox properties, hydrogen donors and singlet oxygen quenchers. Sep 02, 2012 this is a good study in which the authors evaluated the antioxidant activity of extracts of root, stem, leaf, flower and fruit of l.