Antioxidant Activity Of Medicinal Plants Thesis Pdf, History Of Art Essay Introduction, Essay Paragraph About Smoking, Free Resume Templates Nursing, Sample Cover Letter For Cdl Driver, Summary Of Kenyan Youth Lend Each Other A Helping Hand, Aquarius Food Industry Case Study 2. Tested material Code % DPPH Scavenging activity at 50 g/ml IC50 (g/ml) 1 Aegle marmelos Methanolic extract 23.63 - Water extract 24.94 - 2 Albizzia lebbeck Methanolic extract 94.11 10.18 (8.46-12.18) DPPH is a stable nitrogen-centered free radical and its color changes from violet to yellow upon reduction [32]. The % inhibition of DPPH radical by the plant extracts at different concentration increased with increase in concentration of the extract for all samples. Chemical components of the extracts showing higher antioxidant properties were subjected to Gas chromatography-mass spectrometry (GC-MS) analysis. Minimal bactericidal concentration of metanoic extracts ranged from 12.5 to 100 mg mL-1.. Polyphenol content in methanol extracts correlated with their antioxidant properties. Therefore, the search for naturally occurring antioxidants of plant origin is imperative. Polyphenols have been reported to be responsible for the antioxidant activities of botanical extracts. Both DPPH free radical scavenging and FRAP assays have been used to measure antioxidant activity and the results of DPPH and FRAP assays should correlate with those of TPC. for its free radical scavenging activity by adopting various in vitro methods. Antioxidant activity of different medicinal plants using DPPH scavenging method. The antioxidant activity varied between 11.96 mol TE/ gFW at Fragaria x ananasa and 555.20 mol TE/gFW at Paeonia officinals (ethanolic extract). In our study, the four methods used to quantify the antioxidant activity of the 12 selected species showed the antioxidant capacity of these. methanol extracts of 14 plants, the leaves of Baccaurea racemosa, Macaranga subpeltata, and Piper sp. Methanolic extract of seeds Vigna unguiculata possesses good antibacterial activities. information concerning the antioxidant ability of the tested compounds (Huang and Prio, 2005). The results are presented as mean standard deviation (SD). The antioxidant activity is expressed in terms of IC 50 2 ml of extract/ascorbic acid of various concentrations (10-100g/ml) was added to 2 ml of DPPH (100 m) in methanol. No. Table 1. Antioxidant Activity 3.2.1. Our study aims to evaluate the chemical profiles and antioxidant activities of a methanolic extract of Sterculia villosa bark (MESV) and a methanolic extract of the Vernonia patula whole plant (MEVP). Antioxidant Activity Determination The antioxidant activity was measured using DPPH, ABTS and FRAP methods, to evaluate distinct mechanisms of action of the extracts. The extracts were stored at 4 C until they are used. Antioxidants can scavenge free radicals and minimize their impact. The antioxidant activities of methanol extracts of oregano, dittany, thyme, marjoram, spearmint, lavender and basil were tested in lard stored at 75C. The free radical scavenging (DPPH) and the radical cation decolorization (ABTS) assays were conducted as described by Ballesteros et al. Antioxidants inhibit formazan formation by scavenging the superoxide radicals in the reaction mixture. Sl. antioxidant activity of the plant extracts. radicals. In this study, leaf extracts from the Green Globe cultivar of artichoke (Cynara scolymus L.), a herbaceous plant of the Asteraceae family, were analyzed to determine the levels of basic nutrients, selected macroelements (K, P, Ca, Mg, and Na) and microelements (Zn, Fe, Mn, Cr, Pb, Cd, and Ni), and their ratios. The phenolic content correlated with TEAC, FRAP, and DPPH radical scavenging activity, while flavonoid did not significantly affect these antioxidant activity methods. All the R. idaeus extracts, especially those from leaves, exhibited strong antioxidant activity and inhibited the activity of the digestive enzymes -glucosidase and -amylase indicating antidiabetic properties [8]. Conclusion: On the basis of the results obtained in the present study it is observed that the crude ethyl acetate extract of Vigna unguiculata which contains phenolic compounds that exhibit a high antioxidant and free radical scavenging activities. The total phenolic contents and flavonoid contents were also determined. Five plant species were investigated to evaluate their antibacterial activity against food poisoning bacteria including two strains of Gram positive bacteria (B. cereus & S.aureus) and three strains of Gram negative bacteria (E. coli, S. typhi & P. aeruginosa) using disc diffusion method.Evaluation of antibacterial activity of these plant extracts was recorded in Table 2 and Rubus idaeus L. (raspberry) is another plant containing polyphenols combining antioxidant and antidiabetic properties [ 8 ]. Plant extracts' anti-inflammatory activity may be assessed using both in vitro and in vivo experiments. [10] with some The The antioxidant activity was evaluated by determining the activity of hydrogen peroxide (H 2O2) radicals scavenging and 1,1-diphenyl-2-picryl hydrazyl (DPPH) assay. showed the highest antioxidant properties. TRAP (total radical-trapping antioxidant parameter) Antioxidant activity Antolovich et al. Recently, there has been increasing interest in medicinal plants, due to their content of health-promoting compounds, e.g., caffeic acids derivatives. The results showed that all the plant parts possessed antioxidant properties including radical scavenging, xanthine oxidase inhibition and nitrites scavenging activities. The antioxidative activities were correlated with the total phenol. The leaves extract of L. camara was more effective than that of other parts. Total phenolic (TPC) and flavonoid (TFC) content was quantified using spectrophotometric method. ascertain the in vitro antioxidant activity of plant extracts. The parsley extract was the most abundant source of polyphenol compounds and showed the highest value of antioxidant activity in the group of the studied extracts. (Figs 1 and 2). The greatest antioxidant activity was ob- served for arnica, as evidenced by the lowest values of EC50 and IC50 (Table 2). Bark and leaf extracts of this plant, obtained from Brunei Darussalam, were tested for phytochemical and antioxidant activities. The concentration of extracts in lard varied from 0.01 to 0.20%. Hence, the aim of this work was to study the antioxidant activity of extracts obtained from the following medicinal plants: caraway (Carum carvi L.), coltsfoot (Tussilago farfara L.), dandelion (Taraxacum officinale F.H.Wigg. PDF | Campomanesia sessiliflora O. Berg is a medicinal plant that is object of very few studies in the literature. typica Schneider, Euonymus alatus Apterus, Hovenia dulcis Thunberg, Prunus yedoensis Matsumura, Albizzia julibrissin Durazz., Chrysanthemum indicum PCA successfully classified of the extracts. All the extracts were kept in tightly stoppered bottles under refrigeration (4 C) until used for the biological testing and phytochemical analysis. Consequently, the search and study of plant extracts that have the highest antiradical and antioxidant activity (AOA) is a very urgent task. Potent antioxidant activities were shown by the methanol extract of leaf and acetone extract of the stem in all the assays, with the methanol extract of leaf activity(656.891.68 mg/g AAE). This result would be promising sources Methods: Plant materials were collected in September The radical scavenging activity of plant extracts against stable DPPH radical (DPPH*) was determined. Generally, extracts that contain a high amount of polyphenols also exhibit high antioxidant activity. Here, we aimed to investigate the antioxidant and free radical scavenging properties of methanolic extracts from Tabebuia baseline of antioxidant activities for approximately 3% of the flora of Jordan. ), with some modifications. Nitric Oxide Scavenging Activity Methanolic extract of Boswellia serrata exhibited good nitric oxide scavenging activity. This may be Plants have a large number of bioactive compounds with high antioxidant activity. In contrast, the highest values of these parameters were obtained for goldenrod, indicating that its extract showed the weakest antioxidant activity. DPPH assay showed that the overall strong antioxidant activities from the methanol extracts and fractions. extracts were kept in cool and dry place for further studies. It is the absorbance of the sample (DPPH, the champion of ethanol more). The plant leaves exhibited lower antioxidant activity compared to ascorbic acid with 97.47% Antioxidative Effective Plant Extracts Antioxidants can inhibit the oxidation of lipids, proteins, carbohydrates and pigments in meat products, therefore the product quality and shelf-life can be improved by antioxidants (Karre et al., 2013). In this regard natural plant antioxidants (AO) occupy a special place, which are characterized by low toxicity, easily extracted and have multifunctional activity [13]. Wu et al. Antioxidants can delay or inhibit the oxidation process through breaking In the present paper we have investigated Antioxidant activity of extracts from Withania somnifera Dunal. The antioxidant activities of ethanolic extracts obtained from medicinal plants (Scutellaria baicalensis Georgi, Acanthopanax sessiliflorum Seeman, Pueraria lobata Ohwi, Portulaca oleracea Linne, Crataegus pinnatifida Bunge var. The extracts have promising antioxidant and anti-bacterial activity against S.aureus (Staphylococcus aureus), S. pyogens (Streptococcus pyogens), E. coli (Escherichia coli), and K. peneumona (Klebsiella pneumonia). Although the methanol extract of U. longissima had a lower phenolic content (38.6 mg/g lyophylisate), it exhibited potent antioxidant activity. The antioxidant activity (aa) of the extract was evaluated 3.2. 2.3. However, a similar correlation was not observed for U. longissima. The free radical scavenging activity of plant extract of Cressa cretica was studied on in vitro antioxidant models. The antioxidant activity of plants varies with species and at the same Abstract: The antioxidant potential of some herbal plant extracts (commercial products) was measured using various in vitro assays. Antioxidant activity of plants pdf. However, a similar correlation was not observed for U. longissima. The antioxidant activity (AA) in the herb extracts determined by the ABTS method ranged from 13.46 to 69.88 mol Trolox/g. For the methanol extract of this species, there was also a strong correlation between antioxidant activity and total phenolic contents. The plant extracts that point the highest antioxidant activity were Sansevieria trifasciata, the most potential as an alternative to antioxidant substitutes for vitamin C with an IC 50 value of 9.44 ppm. Antibacterial activities and mode of action of Roxb extracts against methicillin-resistant (MRSA) were evaluated, with its biological properties including antioxidant activity and total phenolic content also measured. The antioxidant capacities (antiradical activity by DPPH test, phosphatidylcholine liposome oxidation, Rancimat test) and total phenol content were determined in the ethanol and acetone extracts of the dried material obtained from the botanically characterized plants. The results of these analyses are given in Table 4 and are an average of three independent measurements. 46,47 The observed decrease in absorbance caused by the G glauca extract at 562 nm is indicative of the ability of the extract to quench the superoxide radicals in the reaction mixture. DPPH was used as free radical and ascorbic acid used as standard to assess the inhibition activity. extract yield, antioxidant capacity and antibacterial activity of fenugreek seed extracts were investigated. Minimal inhibitory concentration of metanoic extracts ranged from 6.3 to 100 mg mL-1.. 4084 J. Med. The DPPH scavenging activity of C. lanceolatus stem extracts can be correlated with number of available hydroxyl groups present in the phytocomponents of the stem extracts. The antioxidant activity of plant extracts can be quantified by different methods of measurement; in fact, it is recommended to use at least two different methods , and the results of a test system can be used to establish a ranking . The present study was designed to investigate the TPC and TFC and to evaluate the antioxidant activities (in vitro and in vivo)of the various fractions of methanol extract of whole plant of Aerial parts of Ballota nigra, Lamium maculatum, Leonurus cardiaca, Marrubium vulgare, and Galeopsis Plants Res. Polyphenol content and modulatory activities of some tropical dietary plant extracts on the oxidant activities of neutrophils and myeloperoxidase View Paper on Academia Phytochemical analysis and antioxidant properties of organic extracts obtained from Cynoglossum cheirifolium L Ferric Reducing Antioxidant Power (FRAP) Generally, the methanolic extracts of three studied medicinal plants exhibited remarkable concentration-dependent increases in absorbance values at a wavelength of 700 nm (Table 2).At all the tested concentrations, the extracts of A. hockii had significantly higher absorbance values Epub 2022 Jun 3. The active compound content of the bangle plant has the effect of antioxidant and antibacterial activity. 2.3 Antioxidant activity 2.3.1 DPPH assay The free radical scavenging activity of samples and standard -tocopherol solutions in Juice is prepared by mechanically squeezing or macerating (sometimes referred to as cold pressed) fruit or vegetable flesh without the application of heat or solvents.For example, orange juice is the liquid extract of the fruit of the orange tree, and tomato juice is the liquid that results from pressing the fruit of the tomato plant.Juice may be prepared in the home from fresh fruit from the herbal plants due to safe therapeutic. Background In humans, many diseases are associated with the accumulation of free radicals. A slight increase in antioxidant activity was observed in methanol extract as well as ethyl acetate fraction in concentration dependent manner. Phytochemical screening of plant extracts revealed the presence of alkaloids, steroids, terpenoids and cardiac glycosides. antioxidants Article Antioxidant, Pancreatic Lipase Inhibitory, and Tyrosinase Inhibitory Activities of Extracts of the Invasive Plant Spartina anglica (Cord-Grass) Geum Jin Kim 1,2, Songhee Park 1, Eonmi Kim 1, Hyukbean Kwon 1, Hae-Jin Park 3, Joo-Won Nam 1, Seong-Soo Roh 4,* and Hyukjae Choi 1,2,* Citation: Kim, G.J. Results show the importance of selecting the proper antioxidant activity quantification method for establishing a ranking of species based on this parameter, and show the best discrimination of differences and/or similarities between species is considered. Antioxidant activity and direct inhibitory effects on tyrosinase activity or the regulation of tyrosinase expression are two ways that many skin-whitening agents exhibit anti-melanogenic effects . Among the extracts from Curcuma longa, Caffea arabica, Tribulus terrestris, Bacopa monnieri and Trigonella foenum- graecum, the Curcuma longa and coffee bean extract (Caffea arabica) showed greater antioxidant activity measured as Antioxidant activities of essential oils are mainly attributed to the presence of active principles or Plant Secondary Metabolites (PSMs) and many times to synergistic effect of active principles and other minor metabolites (Table 1). (Sapindaceae) is an invaluable shrubby plant distributed in Iran, Afghanistan, and Balochistan region of Pakistan. pressure, the respective methanol extracts were obtained. Information on the total phenolic content, antioxidant capacity and antibacterial activity of these FS extracts could be helpful in the selection of suitable solvents for extracting bioactive compounds from other similar plant materials. It was originally employed to measure reducing power in plasma, but its use has been extended for assessing antioxidant activity in other biological fluids, foods, and plant extracts. Phytochemical screening of plant extracts revealed the presence of alkaloids, steroids, terpenoids and cardiac glycosides. Briefly, the universal bottle was contained 50 L of L. camara extracts in concentrations from 1 to 5 mg/mL and 5 mL 0.004% (w/v) solution of DPPH was added. Thus, the antioxidant activities of the extracts could have contributed to some extent to their anti-tyrosinase effects. The antioxidant activity of extract was estimated by using DPPH (2, 2 - diphenyl 1- picrylhydrazyl) assay. Insecticidal activity of the essential oil of Schinus areira against Rhipibruchus picturatus (F.) (Coleoptera: Bruchinae), and its inhibitory effects on acetylcholinesterase. antioxidant properties, particularly against LDL and deoxyribonucleic acid (DNA). Five medicinal plants from the subfamily Lamioideae of the Lamiaceae were tested for antioxidant activity and screened for polyphenols content. (Ward) Urb. Dpph's radical scavening activity was evaluated in two ways (Shon et al., 2003). Principal component analysis (PCA) was performed to understand how the four parameters, namely, DPPH free radical scavenging ability, ferric ion reducing power, TPC and CCA, contribute to antioxidant activity of the plant extracts. Factor analysis indicated that three parameters were the main contributors to the variation of antioxidant activity. The reducing properties of the extracts are generally asso- ; Park, S.; Kim, E.; Total antioxidant activity of medicinal plants. and Zuraini et al. Introduction: Stocksia brahuica Benth. Heartwoods of Roxb were extracted by solvents including water, ethanol, acetonitrile, ethyl acetate, isopropanol, and hexane. The extracts were investigated for the antioxidant activity using 2, 2 - diphenyl, 1- picryl hydrazyl isolated extracts from leaves, fruit pulp, and seed of R. idaeus and identied their polyphenols by HR-HPLC-ESI-qTOF-MS/MS method. Aqueous extracts of mint, laksa, tapioca, daun salam, sweet potato, cekur manis and betel leaves which showed high antioxidant activities also had high TPC. The aim of the present study has been to evaluate the antioxidant, antimicrobial and wound healing activity of Algerian Lavandula stoechas and Mentha pulegium methanol extracts (LE Tested bacteria The pathogenic bacteria for the sake were obtained from the Department of Microbiology, Federal Urdu University of Arts, Science and Technology, Karachi-Pakistan. In all these studies, a significant correlation existed between The antioxidant activity of L-Ascorbic acid was used as the reference compound. The sage leaves were characterized by the highest AA (69.88 2.22 mol Trolox/g), while the lowest AA was observed in the herb of the blessed thistle (13.46 0.26 mol Trolox/g). Aqueous extract of both the plants inhibited nitrite formation in concentration dependent manner. In this study, the total phenolic and flavonoid contents and the antioxidant and antimicrobial properties of leaf, fruit, and seed extracts of S. brahuica were screened. Pestic Biochem Physiol 2022 Jul 3;185:105134. The antioxidant activity of the extracts were determined using the DPPH free radical scavenging assay described by Nithianantham et al. The aim of the present study has been to evaluate the antioxidant, antimicrobial and wound healing activity of Algerian Lavandula stoechas and Mentha pulegium methanol extracts (LE The total antioxidant activity was measured by the DPPH radical scavenging assay method7,8. The amount of phenolic compounds in two plants was higher in 80% methanol solvent and the most antioxidant activities were observed in water solvent of extracts. Water solvent had the highest antioxidant activity and was selected to investigate the anti-cancer properties of extracts on ovarian cancer cells. Results, discussion, and conclusions 2.1. activity of the plant extracts andf ractions were evaluatedb y determining the minimum inhibitory concentration values. Antibacterial and antioxidant activities of 8 aromatic plants from the Balkan Peninsula were studied. The present study was undertaken to compare the antimicrobial and antioxidant activity of ethanolic extracts and its fractions of fruits and leaves of Terminalia chebula. CE/g dry plant). A significant antioxidant activity, i.e., mean inhibition of DPPH radical was observed in methanol extract and ethyl acetate fraction at the concentration of 10 g/ml and 5 g/ml respectively (Table 2). The purpose of this study was to determine the phytochemical compounds, antioxidant activity and effective concentration of bangle fresh root extract (Z. montanum) in inhibiting the growth of Escerichia coli and Streptococcus sobrinus bacteria. Studies for the Quantitative determination of total phenolics, total flavonoids, and various in vitro antioxidant activities (DPPH, ABTS and FRAP) of methanolic extract was carried out using colorimetric methods. ents of plant are associated in reducing the risk of chronic diseases, but antioxidants appear to play a major role in the protective effect of plant medicine. Although the methanol extract of U. longissima had a lower phenolic content (38.6 mg/g lyophylisate), it exhibited potent antioxidant activity. [ 8] isolated extracts from leaves, fruit pulp, and seed of R. idaeus and identified their polyphenols by HR-HPLC-ESI-qTOF-MS/MS method. Authors: Valeria Tapia Mattar Jos Luis Borioni Axel Hollmann Sergio A Rodriguez. For the methanol extract of this species, there was also a strong correlation between antioxidant activity and total phenolic contents. In the present investigation, the commonly accepted assays viz DPPH, FRAP and ABTS were used for the evaluation of antioxidant activity of plant extracts. The chemical profiling of MESV and MEVP was performed via gas chromatography-mass spectrometry (GC-MS), which identified 52 and 33 chemical compounds,