investigations demonstrated that extracts from C. asiatica have a broad range of beneficial activities through their antioxidant activity. The hydrolytic products of laminarin by MaLamNA exhibited more effective antioxidant activities than the undigested laminarin. The irradiation time varied from 1 to 3 hours depending on the dose applied. Carbohydrate, protein and fat contents were 4.86 %, 24.18 % and 49.75 % respectively. Sign In Create Free Account. My plans in life essay. 3.4: The hydrogen peroxide antioxidant activity of the methanol extract of Borassus aethiopum fruit was found to be dose-dependent.Significantly higher (p0.05) antioxidant power was observed at 100 mg/ml while the least antioxidant power was observed at the lowest concentration (20 mg/ml) of both the plant extract and ascorbic acid.The hydrogen peroxide antioxidant power of the methanol . Recent research indicates that antioxidant may even positively influence life span. The paper deals with the investigation of the chemical composition, antimicrobial and antioxidant activity of four commercial products ofMelaleuca alternifoliaessential (TTO). [3] One study even showed that taking beta-carotene supplements actually increased the chances of developing lung cancer in smokers. In conclusion, the studied salad plants have high total phenolics content and high antioxidant activity. My favourite teacher essay grade 2 short essay on the topic education. antioxidant activity of carrageenans has been determined by various methods such as reducing power, iron ion chelation, and total antioxidant activity using beta-carotene-linoleic acid system, 1,1-diphenyl-2-picrylhydrazyl radical scavenging, lipid peroxide inhibition, ferric reducing antioxidant power, nitric oxide scavenging, abts radical The Editors reserve the right to reject papers without . NIFA, Peshawar. Full Length Research Paper Screening of antioxidant activity, total phenolics and GC-MS study of Vitex negundo P. Praveen Kumar1*, S . All examined oils exhibited a free radical scavenging activity, ranging 20-70% of DPPH inhibition. Gingerol related compounds substituted with an alkyl group bearing 10-, 12- or 14-carbon chain length were isolated from the dichloromethane extract of rhizomes using repeated chromatographic techniques. 5. Despite their internalization in bEnd.3 cells, coated CNPs are devoid of cytotoxicity. This type of . The phytochemical analysis of Fissidens grandiflora confirmed the presence of flavanoids, phenolics, steroids and tannins.Additionally, Fissidens grandiflora contained a high amount of total flavonoids of 101.400.38 mg Q/g. Research suggests that free radicals have a significant influence on aging, that free radical damage can be controlled with adequate antioxidant defense, and that optimal intake of antioxidant nutrient may contribute to enhanced quality of life. Furthermore, the lowest (i.e., 44.70 g/ml) as well as the highest (2359.66 g/ml) IC50 values were obtained for aqueous seed . Antioxidant activity of the extracts were measured by DPPH assay using ascorbic acid as standard free radical scavenger. Abstract Tannic acid, a naturally occurring plant polyphenol, is composed of a central glucose molecule derivatized at its hydroxyl groups with one or more galloyl residues. H. Y. Aboul-Enein, Pharmaceutical and Medicinal Chemistry Department, Pharmacetical and Drug Industries Research Division, National Research Centre, Dokki, Cairo 12311, Egypt. Medicinal plants are being used for the treatment of several ailments by the local tribes in Mizoram, North East India. DOI: 10.1016/J.INDCROP.2013.11.027; Corpus ID: 94249617; Antioxidant .
Academia.edu is a platform for academics to share research papers. 3. Electrochemical methods based on cyclic, differential pulse, square wave voltammetry and coulometry allow direct and rapid screening of antioxidant activity. International Journal of Research and Development in Pharmacy and Life Sciences Available online at http//www.ijrdpl.com February - March, 2013, Vol. 2, 3 and 4 resp. Results of the study showed that coconut milk samples exhibited a significantly different (P<0.05) antioxidant activity in comparison of goat and cow's milk for all the assays except DPPH. The reason for this is not clear, but it may well not involve the facile . 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. typica Schneider, Euonymus alatus Apterus, Hovenia dulcis Thunberg, Prunus yedoensis Matsumura, Albizzia julibrissin Durazz., Chrysanthemum indicum Linne) were . Moreover, it showed high anticancer activity by growth inhibition in the . Abstract. Research Paper Antioxidant activity of mesenchymal stem cell-derived extracellular vesicles restores hippocampal neurons following seizure damage Qiang Luo1*, Panpan Xian1*, Tian Wang1*, Shengxi Wu2, Tangna Sun2, Wenting Wang2, Bo Wang1, Hao Yang 1, Yanping Yang , Han Wang3, Weiping Liu3, Qianfa Long1,4 1. Skip to search form Skip to main content Skip to account menu. Meyna laxiflora Robyns. Table No. 6 Research Unit for Natural Product Biotechnology, Faculty of Pharmaceutical Sciences, Chulalongkorn University . In this study, structure-activity relationship of gingerol related compounds was evaluated. 2, No.2, pp 321-329 ISSN: 2278-0238 Research Article ANTIOXIDANT AND HEPATOPROTECTIVE ACTIVITY OF AN ETHANOL EXTRACT OF PIPER CUBEBA FRUITS Amol P. Pachpute1*, Tushar A. Deshmukh2 1. The activity of the source was 8.5 KGy/hr and the energy 1.33 MeV. The radical scavenging ability of viniferifuran was discussed in detail, thermodynamically and kinetically. Afterwards, the ABTS radical It found mainly in North-east, West Bengal, Western UP and Deccan Peninsula.3 Different parts of the plant were used in the treatment of boils . Among the different extracts studied, the chloroform leaf extract has high catalase activity. Factors Influencing the Antioxidant Activity Determined by the ABTS + Radical Cation Assay Nicholas J. Miller International Antioxidant Research Centre, UMDS-Guy's Hospital, London, SE1 9RT, UK Catherine A. Rice-Evans International Antioxidant Research Centre, UMDS-Guy's Hospital, London, SE1 9RT, UK Whey proteins are known for their high nutritional value and bioactivity, notably great potential is found on -lactalbumin.The objective of this study was to evaluate antioxidant, antiglycant and ACE (angiotensin converting enzyme)-inhibitory activity of -lactalbumin peptides obtained from enzymatic hydrolysis with Alcalase through different hydrolysis conditions. Simon* INTRODUCTION The commercial development of plants as sources of antioxidants to enhance health and food preserva- tion is of current interest (Rice-Evans et al. This paper analyses the phytochemical composition, and antioxidant activity of new selected biotypes of cherry silverberry grown in Poland. The stem extracts of Salacia chinensis (Hubili .
ABTS is dissolved in water to 7 mM concentration. It also indicated that procyanidin B2, chlorogenic acid, ()-epicatechin and quercetin had stronger antioxidant capacity . Methods Conventional cultural method was employed to isolate and identify yeast and standard methods were used to determine different probiotic attributes, antimicrobial and antioxidant properties. which belongs to family Rubiaceae commonly known as muduna (Hindi, Bengali) and heibi (Manipuri) is a small tree or a spinescent. Whereas Superoxide dismutase . Studies for the determination of the antioxidant activity of different plant species could contribute to revealing the value of these species as a source of new antioxidant compounds. RESEARCH PAPER 14 Antioxidant Activity of Ficusp seudopalma Blanco and its Cytotoxic Effect on Hepatocellular Carcinoma and Peripheral Blood Mononuclear Cells Paolo Robert P. Bueno 1, Clarissa Bel M. Buno 1, Deza Lyn M. Santos 1 and Librado A. Santiago* 1,2,3 1 Department of Biochemistry, Faculty of Pharmacy, University of Santo Tomas, Manila, Philippines 2 Research Center for the Natural and .
The highest percentage antioxidant activity due to volatile oil was of cinnamon with 69.27%. Antioxidant means "against oxidation". E-mail: haboulenein@yahoo.com Search for more papers by this author The absorbance change was followed at 593 nm for 6 min. The total phenolics level was highly correlated with the free radical scavenging activity. The highest antioxidant activity was observed for aqueous seed extract followed by the ethanolic seed, ethanolic flesh, and aqueous flesh extracts. Semantic Scholar extracted view of "Antioxidant activity and phenolic compounds in 10 selected herbs from Vrujci Spa, Serbia" by A. Zugic et al. The DPPH radical scavenging assay exhibited higher antioxidant activity IC50 (9.41 0.54 mg/mL) in the ethanol extract. g/mL). The antioxidant . The . 65 Highly Influential PDF View 5 excerpts, references methods, results and background In addition, the polyphenolic contents, sugars, and vitamin C, as well as organic acid profile were evaluated. These results are of great significance in better understanding the . Antioxidant Activity Research Papers - Academia.edu Antioxidant Activity 8,501 Followers Recent papers in Antioxidant Activity Papers People Polyphenols and Antioxidant Activity of Calafate (Berberis microphylla) Fruits and Other Native Berries from Southern Chile Download by Dietrich von Baer 0 Views 19 Engineering, Chemistry, Chile, Flavonoids There is a large variety of in vitro methods to quantify antioxidant activity, and it is important to select the proper method to . Based on DPPH and hydroxyl radical scavenging activity, the TSB extract was the most effective one with IC 50 37.75 and 58.90 g/mL, followed by TRB, TF and TL with IC 50 40.20 and 102.03; 175.01 and 114.63 and 220.23 and 234.63 g/mL, respectively. Most research teams reported that vitamin E and other antioxidant supplements didn't protect against heart disease or cancer. Hence, the extract from this medicinal plant could be a great candidate for anti-skin-aging agent. Antioxidant Activity of Basil H.R. The irradiation time varied from 1 to 3 hours depending on the dose applied. A total of seventy-four papers and abstracts were identified and reviewed for in vivo and in vitro methods related to antioxidant evaluation.
Coconut's milk exhibited the highest The antioxidant activity depends on the type and polarity of the extracting solvent, the isolation procedures, purity of active compounds, as well as the test system and substrate to be protected by the antioxidant [22]. In the study of . Any substance a t low concentrations compared to that of an oxidizable substrate that significantly delays or prevents ox idation of that substrate is called. Antioxidant assays showed that APIII had the strongest antioxidant activity of DPPH radical scavenging rate (90.96% 10.23%), ABTS radical inhibition rate (89.78% 6.54%) and the strongest reducing power (8.30 0.71 mol Trolox equivalents kg 1 dry apple pomace). Peroxidase and Polyphenol activity was more in ethanol leaf extracts. They are a kind of biological macromolecules with immune regulation, anti-tumor, anti-radiation, anti-inflammation, anti-fatigue and anti-aging effects. The antioxidant activity of each spice was determined in terms of antioxidant activities due to volatile oil and non-volatile components of spice by DPPH radical scavenging activity method. In vitro methods Antioxidant activity should not be concluded based on a single antioxidant test model. Antioxidants and organic acids are two important components of the flavors and health benefits of fruit vinegars. Sample output of a research paper. Pal*** Total phenol content was found to be high in the ethanolic extract of leaf (33.91 mg GAE/g DW) in comparison to root and . The antioxidant properties of mulberry leaf extracts were investigated by Arabshahi-Delouee and Urooj [14] by various experimental methods including the iron (III) reducing capacity, the total antioxidant capacity, the DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging activity and an in vitro inhibition of ferrous sulphate-induced oxidation of lipids. Results: Shaken martinis were more effective in deactivating hydrogen peroxide than the stirred variety, and both were more effective than gin or vermouth alone (0.072% of peroxide control for shaken martini, 0.157% for stirred v 58.3% for gin and 1.90% for vermouth). Despite the growing popularity of cold brew coffee, very little research has been published on its chemical attributes, including pH and total antioxidant activity, and associated health effects. Among the extracts, TSB showed the highest antioxidant activity followed by TRB, TF and TL. The chemical composition was determined usinggas chromatography mass spectrometry (GC/MS)analysis. The extracts were filtered using Whatman no. Callus culture offers a powerful platform . 2 : Paper will publish immediately in current issue after registration. Plants have a large number of bioactive compounds with high antioxidant activity. Journal of Antioxidant Activity ISSN NO: 2471-2140 is an open access peer reviewed journal with a broad range of topics of general interest. This indicates that CR and . The extracts were filtered using Whatman no. The percentage of superoxide ion . NIFA, Peshawar. Among the researched compounds, two sugars, seven organic acids, and six fatty acids were reported in new studied biotypes of cherry silverberry . All CNPs reduces glutamate . The research results were mixed, but most did not find the hoped-for benefits. Solvents used for extraction purpose are also reviewed from the downloaded scientific records. Journal of Antioxidant Activity. Antioxidant activity of basil . A 5 g of each plant sample was macerated using 100 ml of ethanol and was allowed to shake for 4 hours, then left for 72 hours. To study the toxicity and the antioxidant properties of CNPs for stroke and particularly endothelial damages, in vitro studies are conducted on a cerebral endothelial cell line (bEnd.3). 1997). Contributions from the following research areas are invited but not limited to the following branches -. A 5 g of each plant sample was macerated using 100 ml of ethanol and was allowed to shake for 4 hours, then left for 72 hours. The activity of the source was 8.5 KGy/hr and the energy 1.33 MeV. Total phenolic and flavonoid contents were also determined. 2nd paragraph of an essay. Epidemiological studies have suggested positive associa- tions . The phytochemical composition, antioxidant and antidiabetic profile of ethanol extract of Fissidens grandiflora was investigated for the first time. Fruit vinegars are popular condiments worldwide. g/mL), whereas chloroform extract showed negligible activity. The present study was focused to analyze the antibacterial and antioxidant activities of a widely used traditional medicinal plant, Blumea lanceolaria. It was found that the sequential proton loss electron transfer (SPLET) mechanism is favored in polar environments, whereas formal hydrogen transfer (FHT) is the main pathway for the radical scavenging of these diterpenes in the gas phase as well as in lipid media. years research in natural antioxidant, especially of plant origin has increased tremendously. The antioxidant activities were determined by in vitro assays to compare their antioxidant effects. The . Shital Pande | Ashwin Deshmukh . The broth-microdilution method was used to test antimicrobial activity. Search. Generally, Robusta coffee extracts contain twice as . With respect to metal-chelating capacity, the CR wine was the strongest amongst all the wine samples tested, followed by JZ 1#. In the present investigation focused on qualitative, quantitative phytochemical and in vitro antioxidant activity of Cadaba fruticosa and Capparis spinosa leaves belonging to the family Capparidaceae. 1 filter . Hydrogen peroxide Scavenging antioxidant activity of ethanolic leaf, stem and flower extract as shown in table no. The GC-MS study also carried out and it showed the presence of phytochemicals like 4H-Pyran-4-one, 2,3 . One hundred microliters of opportunely diluted sample extract were added to 2,900 L of the FRAP reagent obtained by mixing acetate buffer (300 mM, pH 3.6), TPTZ (2,4,6-tripyridyl-s-triazine) 10 mM solubilized in HCl 40 mM and FeCl 3 20 mM in the ratio 10:1:1.
physicochemical properties and antioxidant activity based on TPC, FRAP, ORAC and DPPH of Malaysian coconut milk. Search 205,238,597 papers from all fields of science. These include inhibition of DPPH (1,1-diphenyl-2-picrylhydrazyl), Trolox equivalent antioxidant capacity (TEAC) using ABTS (2,2'-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid) as an oxidant and FRAP (Ferric reducing antioxidant power). Lemon oil showed the most antioxidant capacity, with DPPH inhibition rate of 70%. Open Access Pub launches the Open Peer Reviewed Journal -"Journal of Antioxidant Activity ISSN NO: 2471-2140" The journal aims to cover the latest outstanding developments in the corresponding field. The results found that the 23 fruit vinegars varied in ferric-reducing antioxidant power (FRAP, .15–23.52 . 1 filter . All antioxidant activity values were highly correlated with anthocyanin content in blackberry (0.93 r 0.99, P = 0.05). The values of pH, ash and moisture content were 7.4, 4.16 % and 4.57 % respectively. View Antioxidant Activity Research Papers on Academia.edu for free. The lowest antioxidant activity was obtained for hexane flesh extract. Mini-invasive Neurosurgery and . ORIGINAL RESEARCH PAPER PHYSICO-CHEMICAL CHARACTERISTICS AND ANTIOXIDANT ACTIVITY OF GOJI FRUITS JAM AND JELLY DURING STORAGE DANIELA ISTRATI*, CAMELIA VIZIREANU, GABRIELA IORDACHESCU, FELICIA DIMA, MARIA GARNAI Dunarea de Jos University of Galati, Faculty of Food Science and Engineering, 111 Domneasca Street, 800201 Galati, Romania *Corresponding author: daniela.istrati@ugal.ro Received on . Juliani and J.E. We also support the dynamic scope to keep in pace with the current trend.We publish the finest peer-reviewed research papers to ensure its quality and timeliness. Point-counterpoint essay format, case study for doctors antioxidant peels paper Research activity apple of on: living in hill country essay cima management case study results date big history essayMy favorite teacher essay in marathi what are the examples of a research paper. Their main advantages are sensitivity, rapidity, simplicity and the capacity to directly measure the number of electrons transferred by an antioxidant offer advantage over conventional spectrophotometric assays. How to write methodology in research paper sample, time is money essay in simple english, legal debate essay. Antioxidant activity by reaction with ABTS radical The antioxidant activity of the extracts was assessed by assay with the radical ABTS, which is based on the ability of antioxidants to reduce the radical and decrease its absorbance at 734 nm (Re et al., 1999). In the present paper, we examines the in vitro radical scavenging and antioxidant capacity of tannic acid by using different in vitro analytical methodologies such as 1,1-diphenyl-2-picryl-hydrazyl free radical (DPPH . With the focus to find alternatives for synthetic food ingredients, natural substances having antioxidative, anticarcinogenic, antimicrobial properties need to be further . Abstract. The minimum inhibitory concentration (MIC) was determined by microdilution in 96-well plates. Antioxidant activity and antimicrobial property of some Indian spices International Journal of Scientific and Research Publications, Volume 3, Issue 3, March 2013 1 ISSN 2250-3153 www.ijsrp.org Antioxidant activity and antimicrobial property of some Indian spices Oyas Ahmed Asimi*, N. P. Sahu**, A.K.
showed poor radical scavenging activity (IC 50 values . The addition of reducing agent dithiothreitol could significantly enhance the activity of MaLamNA. All extracts exhibited higher antioxidant activity coefficient (AAC) than that of ascorbic acid, furthermore, dichloromethane and petroleum extracts had comparable AAC with BHA by the beta-carotene bleaching assay. This study aimed to test the antioxidant activities, phenolic profiles, and organic acid contents of 23 fruit vinegars. Semantic Scholar's Logo.