The study of the antioxidant activity of oil extracts from. However, if plant oils and extracts are to be used for food preservation or medicinal purposes, issues of safety and toxicity will need to be addressed. Present study was undertaken to determine phytochemical content and ros scavenging inhibitory activity of 11 medicinal plants from western ghats of india in order to evaluate their potential as a natural antioxidative source. These results show that the aqueous extracts of five native plants of the. Extracts of annona species are potential antimosquito. The results clearly show that the plant extracts were specific in action against the growth of bacteria. Antioxidant activity and the total phenolic content. The synthesis of metal nanoparticles using plant extracts has developed a rapid, costeffective biosynthetic protocol. Phytochemical analysis and assessment of antioxidant and. In summary, this study confirms that many essential oils and plant extracts possess in vitro antibacterial and antifungal activity. The effect of various plant extracts was measured on several important oxidation indicators.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Antioxidant activity of plant extracts and their effect on methane fermentation in bioreactors marta oleszek1 and solomiia kozachok2,3 1institute of agrophysics, polish academy of sciences, doswiadczalna 4, 20290 lublin, poland 2institute of soil sciences and plant cultivation, state research institute, czartoryskich 8, 24100 pulawy, poland 3i horbachevsky ternopil state medical. Present study was undertaken to determine phytochemical content and ros scavenging inhibitory activity of 11 medicinal plants from western ghats of. The aims of this study were to utilize some crude plant extracts in developing yogurt of high acceptability. You may choose to submit your manuscript as a single word or pdf file to be used in the. The lethal dose of the methanolic extract of the plant leaves is more than 2000mgkg. To test the antimicrobial activity, all plant extracts were dissolved in pure dimethyl sulfoxide dmso to a final concentration of 100 gl 100 mg plant extract in 1 ml of dmso. Cytotoxicity and antibacterial activity of methanolic extract of hibiscus sabdariffa olaleye, mary tolulope department of biochemistry, federal university of technology, akure, nigeria. It enables identification of the intrinsic toxicity of the plant and the effects of acute overdose. Further, to investigate and estimate total phenolic content using rphplc. Therefore, plant oils are widely used as a substrate for testing antioxidant activity.
All the animals were regularly observed for their general behaviour. Bacillus subtilis was partially inhibited by 15 plant extracts and weakly inhibited by the others. Antioxidant activity of plant extracts containing phenolic. Phytochemical investigation and biological activity of. The plant extracts showed a considerable range of influence on cytokine secretion. Antiinflammatory activity of extracts from fruits, herbs. The chemical examination follows after the isolation and biological screening of the active fraction1.
Free radical scavenging and total antioxidant capacity of root extracts of. Plasmodium spp, the vector mosquito has to be controlled. The plant extracts with the most significant antiinflammatory activity are shown in fig. Plant extract of 1, 10, 50 or 100 mg in 1 ml of ethanol was mixed with 2. Plant extracts with phytochemicals of good antimicrobial properties are of great significance in treatment of infectious diseases. Nonflavonoids include stilbene, phenolic acids, saponin, and tannins 1. About 50g of coarsely powdered plant materials 50g250ml were extracted in a soxhlet extractor for 8 to 10 hours, sequentially with petroleum ether. Currently, there is a growing interest to use plant extracts of herb and spices for the preservation of foods, flavor characteristic. Plants extracts were screened for antibacterial activity using serial. Association of antibiotics and plant extracts showed synergistic antibacterial activity against antibioticresistant bacteria.
Antioxidant and antimicrobial properties of five medicinal. The content of total phenolics in the extracts was determined spectrometrically according to the folin. This study aims to assess the antioxidant and antimicrobial activity of the plant leave extracts of otostegia integrifolia. Cytotoxicity and antibacterial activity of methanolic. The study of the antioxidant activity of oil extracts from the seeds of two sorts of red onion. 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. Antioxidant activity of ginger extract and identification. The revised version of the report includes substantially more information on the. In vitro activity of a combination of bacteriophages and. Invitro screening of acetylcholinesterase inhibitory.
Screening for antidiabetic activity of the ethanolic. The antifungal activity of ethanol and acetone extract of leaves of nine 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. Medicinal plants and plant extracts scanned pdf, 2 mb author. Aqueous, saline buffer and acid extracts of different plant species were screened in vitro for their antifungal activity against alternaria spp. Estimation of phytochemical content and antioxidant. Staphylococcus aureus by using discdiffusion assay. Activity of antibiotics plus the plant extractfractionpurified compound. Antifungal activity of selected medicinal plant extract on. Medicinal plant extracts with efflux inhibitory activity against. This is a good study in which the authors evaluated the antioxidant activity of extracts of root, stem, leaf, flower and fruit of l. Piper betel, lowsonia inermis, psidium guajava, carica papaya, moringa oleifera, mimosa pudica, catharanthus roseus, adhatoda vasica and andrographis paniculata against fusarium oxysporum the causal agent of fusarium wilt in tomato was assessed. Effects on blood glucose levels dried ethanolic extracts of barleria cristata seeds 200 mgkg were suspended in 1% bentonite and subjected for hypoglycemic activity in wistar rats 200225 g.
Libyan capparis spinose has good antioxidant activity. Antibacterial activity of plant extracts and phytochemicals on antibioticresistant bacteria article pdf available in brazilian journal of microbiology 314 october 2000 with 1,652 reads. Phytochemical analysis, antimicrobial and antioxidant. The antioxidant activity was investigated using the ferric reducing antioxidant power frap assay for plant extracts was investigated according to the method of oyaizu 1986 27. Identification of targets and mechanism of activity of plant extracts 5. Evaluation of in vitro anthelmintic activity of citratus. Screening of in vitro antioxidant activity of methanolic. The antioxidative activities of six plant extracts catnip, hyssop, lemon balm, oregano, sage and thyme were evaluated in sunflower oil and its 20% oilinwater emulsion in the dark at 60c. All the extracts inhibited mycellial growth at various levels. An isolated fraction of ethanolic extracts of dregeavolubilis. Antibacterial activity of crude extracts of some south african.
Seventyfour ethanolic extracts were prepared from traditionally used medicinal plants in the jongilanga community. Antioxidant activity, total phenolic and total flavonoid. Antioxidant activity of methanol extracts of different. There is an increasing trend to replace synthetic antioxidants, which are of safety concern 1,2, with the natural antioxidants available from plant extracts or isolated products of plant origin. The total phenolic contents tpc and the antioxidant activities of water and ethanol extracts of 14. The evaluation of the anticancer activity of plant extracts is essential for safe treatment.
In vitro antidermatophytic activity and cytotoxicity of extracts derived. Antioxidant activity of plant extracts containing phenolic compounds. Bioactive aqueous extracts of twelve yucatecan plants. Preparation of plant extracts fresh plant material was washed under running tap water, air dried and powdered. Several herbal plants have been used as therapeutics in iraqi traditional medicine and phenolic content and antioxidant activity may contribute to their pharmacological effects. Through the literature survey, the mangrove plant acanthus ilicifolius was. The order of dpph scavenging against cassia fistula extract was found to be in the order of. This is a pdf file of an unedited manuscript that has been accepted for. The screening of plant extracts and plant products for antimicrobial activity has shown that plants represent a potential source of novel antibiotic prototypes riaz et. Bioguided fractionation and purification of natural bioactives obtained from. Pp fraction showed better activity than fr fraction. The full text of this article is available in pdf format. Tonpay1 1department of pharmacology, 2department of microbiology, gajara raja medical college, gwalior, m. Another objective of this study was to evaluate the effect of crude plant extracts additives on physical, chemical, and microbiological properties of crude.
There are statistical differences among the bha, bht and plant extracts in terms of antioxidant activity. The flower plant extracts demonstrated good antimicrobial activity against these bacteria tested with inhibition zones. Antioxidant activity of polyphenolic plant extracts mdpi. The highest numbers of antiradical activity units eau 515 were found for ethyl acetate extracts from the leaves of green and black tea. The ethanol extract showed the maximum activity against staphylococcus aureus and klebsiella pneumoniae with. Concentrationresponse curves for the antiproliferative. Secretion of the proinflammatory cytokine, il6, was significantly reduced by at least 25. Antioxidant, antihypertensive, antihyperglycemic, and. Antioxidant, antimicrobial activity and total phenolic. Medicinal plants and plant extracts scanned pdf, 2 mb. In our study, the reducing activity increased with respect to the concentration of different organic extract dichloromethane extract, ethyl acetate and methanol of k.
Plant extracts are defined as concentrated preparations of liquid, solid or viscous consistency. Antioxidant activity of the methanol extracts of pulp and seed was also compared to total phenolic content and it was further found that radical scavenging effects of extracts were directly proportional to the phenolic content present in extracts table 1. Antibacterial activity of ginger zingiber officinale. Indeed vegetable oils contain a sufficient amount of beneficial antioxidant for man 7 can prevent many types of cancer, inflammatory and cardiovascular disease. In vitro antioxidant and anticancer activity of leea. Antimicrobial and antioxidant activities of kalanchoe. Plant oils contain unsaturated fatty acids, which are most sensitive to oxidative degradation. Bioguided fractionation and purification of natural. Saroj kothari1, vaibhav mishra2 savita bharat2 and shrinivas d. A 100 mgml stock of each plant extract was prepared and used for antimicrobial tests, antioxidant activity, quantification of the total phenol and total flavonoids. Water extract with melanin inhibition activity 266. Plant extracts were obtained with a methanol or methanolwater 1. As a rule they are obtained by maceration extraction to equilibrium with water or alcohol or percolation extraction to exhaustion with water or alcohol.
The results indicated that all tested extracts showed antioxidant activities. The antioxidant activity of artemisia absinthum, artemisia santonicum and saponaria officinalis are given in figure 1. The effect of some medicinal plant extracts on biochemical. Cytotoxicity and antimicrobial activity of selected plant species. The minimal inhibitory concentration mic values of extract against the tested bacteria were found to 67. Antibacterial activity of plant extracts and phytochemicals on. The three flavnoids present in the crude extract and enriched in flavnoid fraction are rutin, aspigenin7oglucoside and luteolin7oglucoside.
Antimicrobial activity of essential oils and other plant. The medicinal plant extracts exhibited stronger antidermatophytic activity compared to the algae extracts. Assessment of antioxidant activity of plant extracts by. Antioxidant activity of plant extracts and their effect on. Effect of solvent on antioxidant activity of crude. Page 9 g and an excellent source of vitamin c ascorbic acid. Antimicrobial activity of the leaf extracts was tested using agar well diffusion method. Evaluation of in vitro anthelmintic activity of cymbopogon citratus lemon grass extract sikandar khan sherwani 1, muhammad mumtaz khan 2, muhammad uzair khan 3, muhammad ajmal shah 4 and shahana urooj kazmi 5 1, department of microbiology, federal urdu university of arts, science and technology, karachi, pakistan. Antibacterial and anticancer activity of ethnomedicinal plants used. Guide for authors fitoterapia issn 0367326x elsevier. Among the important biological properties exhibited by plant. Plant extracts as potential mosquito larvicides pdf.
739 528 1157 31 710 635 418 1458 1325 1195 411 1346 355 1125 1109 1425 1370 667 1320 386 1168 1328 1443 58 548 1321 974 1257 192 69 1070 1426 22 723 420 1254 1451 544 1426 1400 1220 1180 613 1193 873