Journal of Antioxidant Activity最新文献

{"title":"Effect of pH on Phytochemical and Antioxidant Potential of Satawar Tubers (Asparagus Racemosus Willd.)","authors":"P. Devi, Sushila Singh, Sheetal Sihag, Monika Moond, Seema Sangwan","doi":"10.14302/issn.2471-2140.jaa-21-3996","DOIUrl":"https://doi.org/10.14302/issn.2471-2140.jaa-21-3996","url":null,"abstract":"Plants are an important source of medicines since ancient times. The traditional system medicine’s use a variety of native plants to diagnose, prevent, and eliminate acute and chronic diseases.Asparagus racemosus(Willd.), also have been widely used for medicinal purpose and its extensively distributed in the tropics and subtropics of India, commonly known as Satawar, belongs to the family Asparagus. The purpose of this was to identify the phytochemicals and to assess the antioxidant potential in aqueous extracts prepared at different pH levels of Satawar tubers. The maximum amount of phenolics and flavonoids content was present at pH 9 i.e.18.88mg GAE/g and 2.83mg CE/g. The total antioxidant capacity was highest at pH 2 (15.96mg AAE/g) and IC50 values of DPPH free radical scavenging activity was the lowest at pH 7, 2582.85µg/mL. According to the whole study, this plant is a very good source of phytochemicals and acts as a powerful antioxidant.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"57 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78856860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of Quality and Microstructure of Strawberry Powders Prepared by Two Different Drying Methods: Low Temperature Drying with Convection Dryer and Vacuum Freeze Drying","authors":"C. S. Castro Issasi, Masayo Nishizono, Masayo Nishizono, H. Mizukami, M. Sasaki, M. Sasaki","doi":"10.14302/issn.2471-2140.jaa-22-4083","DOIUrl":"https://doi.org/10.14302/issn.2471-2140.jaa-22-4083","url":null,"abstract":"Convection dryers are the most affordable and most commonly used dryers for processing of agricultural products. However, since the temperature is high or the drying time is long, materials such as fruits and vegetables may turn brown and the nutrients deteriorate, therefore this method is not suitable for the production of dry powders for fruits and vegetables, which are expected to have bright colors and nutritional functions. Low temperature drying (LTD) has made it possible to produce strawberry dry powder with the equivalent functional components as powder by vacuum freeze drying (FD). In addition, the processing time is shorter and the cost is lower than vacuum FD.\u0000\u0000In this study, we demonstrate the superiority of LTD by comparing the quality and microstructure of strawberry powders produced by LTD and vacuum FD.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88369489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Solvent pH on Antioxidant and Phytochemical Activities of Mulhatti Aerial Parts (Glycyrrhiza glabra L.)","authors":"P. Devi, Sushila Singh, Sheetal Sihag, Promila, Ritu, Seema Sangwan","doi":"10.14302/issn.2471-2140.jaa-21-4027","DOIUrl":"https://doi.org/10.14302/issn.2471-2140.jaa-21-4027","url":null,"abstract":"Medicinal plants have been used since the era of Vedic history for their health care system where herbal medicine has a long history of use. It is also a very popular medicinal plant belonging to the Leguminosae family and is commonly known as Mulhatti. It contains phytochemicals such as flavonoids, triterpene saponins and other constituents such as coumarins, sugars, amino acids, tannins, starch, choline, phytosterols etc. The present study was conducted for the estimation of phytochemicals (total phenols and flavonoids) and the evaluation of the total antioxidant capacity and DPPH free-radical scavenging activity in aqueous extracts of different pH (2, 4, 7 and 9) from aerial parts of Glycyrrhiza glabra L. The content of phenolic compounds was maximal at pH 7 (14.13 mg GAE/g) and flavonoids at pH 9 (4.90 mg CE/g) and the total antioxidant capacity was maximal at pH 9 (13.43 mg AAE/g) and free radical scavenging DPPH activity was highest at pH 7 (IC50 value = 60.48 µg/ml). Thus, the aerial part is a good source of phytochemicals and also acts as a good antioxidant.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75847007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antioxidant Activity of Pod Coat Extracts of Pigeon Pea (Cajanus Cajan L.) and Their Efficacy in Stabilization of Soybean Oil","authors":"Sukriti Nehra, Sushila Singh, Seema Sangwan, S. Rani","doi":"10.14302/issn.2471-2140.jaa-21-3960","DOIUrl":"https://doi.org/10.14302/issn.2471-2140.jaa-21-3960","url":null,"abstract":"When lipids are exposed to heat, light and oxygen, it leads to oxidation. The addition of antioxidants is required to preserve colour, flavour and vitamin destruction. Present study was, therefore, planned to investigate pod coat of pigeon pea as possible sources of natural antioxidants and to assess their efficacy in stabilization of crude soybean oil during normal storage (28 days at 50°C). Study revealed that acetone pod coat extract of pigeon pea showed richness in total phenolics (17.72 mg/g), flavonoids (9.00 mg/g) and tannins (2.21 mg/g) while the extract of ethyl acetate was found enriched in tocopherols content (9.56 mg/g). The IC50 value of acetone extract was found to be lowest, exhibited potent antioxidant activity in the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric thiocyanate (FTC) methods. After adding synthetic and natural antioxidants in oil, Peroxide, p-Anisidine, Thiobarbituric acid value, Conjugated dienes, trienes and free fatty acids content were measured every 4 days. Acetone pod coat extract (2000ppm) of pigeon pea gave strong antioxidant efficacy in stabilization of crude soybean oil and hence could be recommended as natural antioxidants for food applications.The research explored the possibility of using pod coat of pigeon pea as imminent sources of green antioxidants and to evaluate their efficacy in stabilization of crude soybean oil.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80601691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antioxidative Protective Effect of Ozone Therapy on Isolated Mitochondria from Human Sperm","authors":"P. Naserzadeh, Farshad Shahi, M. Izadi","doi":"10.14302/issn.2471-2140.jaa-21-3910","DOIUrl":"https://doi.org/10.14302/issn.2471-2140.jaa-21-3910","url":null,"abstract":"Oxidative stress is implicated in male infertility and significantly higher reactive oxygen Species (ROS) are detected in 25% of infertile males. We showed that Ozone oxygen therapy (O2/O3) induces protective effects for oxidative stress factors and its consequences on isolated mitochondria obtained sperm which may provide insight into the role of Ozone oxygen in human infertility. The present study was carried out to further characterize and compare protective effect of Ozone oxygen on isolated mitochondria obtained from sperm. Semen was collected from human normal donors. We gained human sperm mitochondria by differential centrifugation and isolated mitochondria incubated with different concentrations (5µg/ml, 30 µg/ml, 80 µg/ml) of O2/O3. O2/O3 prevent significant decrease in reactive oxygen species formation and mitochondrial membrane potential collapse on isolated Human sperm mitochondria. Ozone oxygen therapy induced increase in ATP concentration on isolated mitochondria. Our findings showed that O2/O3 prevent toxicity in sperm, effect on mitochondrial respiratory chain and avoid to cytochrome c release and apoptosis signaling.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"146 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86083621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of Antioxidative Potential of the Biofield Energy Treated Proprietary Test Formulation on L-NAME and High Fat Diet-Induced Cardiovascular Disorders in Sprague Dawley Rats","authors":"M. Trivedi, A. Branton, Dahryn Trivedi, S. Jana","doi":"10.14302/issn.2471-2140.jaa-21-3846","DOIUrl":"https://doi.org/10.14302/issn.2471-2140.jaa-21-3846","url":null,"abstract":"The aim of this experiment was to assess the antioxidative potential of the Biofield Energy Treated/Blessed Proprietary Test Formulation and Biofield Energy Treatment/Blessing per se to the animals on NG-nitro-L-arginine methyl ester hydrochloride (L-NAME) and high fat diet (HFD)-induced cardiovascular disorders in Sprague Dawley rats using various functional biomarkers. A test formulation was formulated including minerals (magnesium, zinc, copper, calcium, selenium, and iron), vitamins (ascorbic acid, pyridoxine HCl, vitamin B9, vitamin B12, and vitamin D3), cannabidiol (CBD) isolate, Panax ginseng extract, and β-carotene. The test formulation’s constituents were divided into two parts; one part was denoted as the untreated, while the other part and three group of animals received Biofield Energy Healing/Blessing Treatment remotely for about 3 minutes by a renowned spiritual leader, Mr. Mahendra Kumar Trivedi. The expression of superoxide dismutase (SOD) was elevated significantly by 198.46%, 208.73%, 191.73%, 211.75%, and 198.82% in the G5 (L-NAME + HFD + the Biofield Energy Treated test formulation), G6 (L-NAME + HFD + Biofield Energy Treatment per se to animals from day -15), G7 (L-NAME + HFD + the Biofield Energy Treated test formulation from day -15), G8 (L-NAME + HFD + Biofield Energy Treatment per se plus the Biofield Energy Treated test formulation from day -15), and G9 (L-NAME + HFD + Biofield Energy Treatment per se animals plus the untreated test formulation) groups, respectively than disease control group (G2). Moreover, the level of glutathione peroxidase (GPx) was significantly increased by 61.94%, 118.49%, 82.96%, 141.89%, and 262.02% in the G5, G6, G7, G8, and G9 groups, respectively as compared to the G2 group. Lipid peroxidase (LPO) was decreased by 14.21%, 30.98%, 38.66%, and 32.67% in the G6, G7, G8, and G9 groups, respectively than G2 group. Additionally, the level of myeloperoxidase (MPO) was decreased by 28.46%, 10.87%, 12.41%, and 13.35% in the G6, G7, G8, and G9 groups, respectively than G2. Further, the level of oxidized low density lipoprotein (LDL) was reduced by 65.38%, 65.11%, 71.53%, 79.26%, and 66.57% in the G5, G6, G7, G8, and G9 groups, respectively than G2. Besides, in heart tissues, the level of catalase (CAT) was significantly increased by 68.20%, 63.69%, 126.03%, 124.54%, and 112.23% in G5, G6, G7, G8, and G9 groups, respectively than G2 group. Moreover, in kidney tissues, the level of CAT was significantly increased by 22.48%, 23.43%, and 10.95% in the G6, G7, and G9 groups, respectively than G2. Overall, the data suggested a significant antioxidant activity by increasing the levels of SOD, CAT, GPx, and reducing the levels of LPO, MPO, and oxidized-LDL in various tissue fluids and that might be beneficial for cardiovascular disorders. Therefore, the study outcomes showed the significant slowdown the oxidative stress-related cardiovascular disease progression and its complications in the preventive treatmen","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"80 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86090509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Non-Enzymatic Methylglyoxal Formation From glucose Metabolites and Generation of Superoxide Anion Radical During Methylglyoxal-Dependent Cross-Links Reaction","authors":"V. Lankin, O. Shadyro, K. Shumaev, A. Tikhaze, A. A. Sladkova","doi":"10.14302/issn.2471-2140.jaa-19-2997","DOIUrl":"https://doi.org/10.14302/issn.2471-2140.jaa-19-2997","url":null,"abstract":"The paper explores the formation of a-oxoaldehydes during the interaction of glucose metabolites with hydroxyl or alkoxyl radicals. Hydroxyl radicals were generated under radiolysis of aqueous solutions, and alkoxyl radicals (t-BuO) were obtained in the model system tert-butyl hydroperoxide/Fe2+. High-performance liquid chromatography revealed that methylglyoxal was one of the organic products resulting from t-BuO-induced transformations of fructose-1,6-bisphosphate under hypoxic conditions. The interaction of lysine and methylglyoxal one of the main targets of a-oxoaldehydes in proteins was also studied. As chemiluminescence and EPR spectroscopy demonstrated, this reaction generates a methylglyoxal anion radical, a cation-radical of methylglyoxal dialkylamine and a superoxide anion radical. EPR signal of methylglyoxal-derived free radicals was observed in hypoxia, whereas only the trace amounts of these free radicals were recorded in the aerated reaction medium.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74766857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antioxidant Properties of Red and Yellow Varieties of Cashew Apple, Nut and Husk (AnacardiumOccidentaleL.) Harvested in Mexico","authors":"M Figueroa-Valencia, P Rosales-Martinez, F. Santoyo-Tepole, Ramos-Monroy O.A, F. García-Ochoa, Hernández-Botello M.T, L. M.S","doi":"10.14302/ISSN.2471-2140.JAA-19-2747","DOIUrl":"https://doi.org/10.14302/ISSN.2471-2140.JAA-19-2747","url":null,"abstract":"Numerous studies have reported the health benefits of consuming fruits and vegetables that contain antioxidant properties. Within the group of fruits considered exotic, some are accessible and only consumed in their place of origin, such as soursop, noni, kiwi, pitahaya, and others. Anacardiumoccidentale, cashew, is a crop native to the Brazilian northeast that has excellent medicinal and nutritional properties. Because few studies have characterized cashew produced in Mexico, in the present work, the physicochemical properties and antioxidant capacity of cashew apple (red and yellow varieties) and its nut were studied. The content of total phenolic compounds and the antioxidant capacity were higher in the nut (174.19±20.98 GAE mg/100 g db) while cashew red pulp showed a superior value of the phenol content (159.75±12.91 GAE mg/100 g db) to that of yellow cashew pulp (151.9±5.23 GAE mg/100 g db). A high value was obtained for the TPC of the husk of cashew nut (74.30 mg GAE/g) compared with those of the kernel and false fruit. Red cashew presented a higher antioxidant capacity at 77.65 μmol Trolox/g and was superior to that of the kernel (38.52±2.9 μmol Trolox/g). Because cashew apple is usually discarded, a marmalade based on the pulp is proposed as an alternative for its conservation because it has a high content of phenolic compounds that is conserved for six weeks of shelf life.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89503089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Purification and Characterization of Xanthine Oxidase from Liver of the Sheep (Ovis Aries)","authors":"Samir A. M. Zaahkouk, Doaa A. Darwish, H. Masoud, Mohamed M. Abdel-Monsef, M. Helmy, Sayed S. Esa, A. M. Ghazy, M. A. Ibrahim","doi":"10.14302/ISSN.2471-2140.JAA-19-2699","DOIUrl":"https://doi.org/10.14302/ISSN.2471-2140.JAA-19-2699","url":null,"abstract":"Xanthine oxidase is a commercially important enzyme with wide area of medical applications to develop diagnostic kits. Xanthine oxidase was extracted, purified and characterized from sheep liver (SLXO). The purification procedure involved acetone precipitation and chromatography on DEAE-cellulose and Sephacryl S-300 columns. The sheep liver xanthine oxidase was homogeneously purified 31.8 folds with 3.5 U/mg specific activity and 24.1% recovery. SLXO native molecular weight was 150 kDa and on SDS-PAGE appeared as single major band of 75 kDa representing a homodimer protein. Isoelectric focusing of the purified SLXO resolved into two closely related isoforms with pI values of 5.6 and 5.8. The apparent Km for xanthine oxidase at optimum pH 7.6 was found to be 0.9 mM xanthine. FeCl2 and NiCl2 increased the activity of SLXO, while CuCl2 and ZnCl2 were found to be potent inhibitors of the purified enzyme. Allopurinol inhibits SLXO competitively with one binding site on the purified molecule and Ki value of 0.06 mM.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"09 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86021725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antioxidative Potential of Consciousness Energy Healing Treatment on HepG2 Cells and DMEM after Oxidative Stress Induced by Hydrogen Peroxide","authors":"M. Trivedi, A. Branton, Dahryn Trivedi, G. Nayak, Sambhu Mondal, S. Jana","doi":"10.14302/ISSN.2471-2140.JAA-18-2400","DOIUrl":"https://doi.org/10.14302/ISSN.2471-2140.JAA-18-2400","url":null,"abstract":"Antioxidants can reduce oxidative stress in cells is used for the treatment of several disorders such as cancer, cardiovascular, and inflammatory diseases. The present study was evaluated the antioxidant potential of the Consciousness Energy Healing (The Trivedi Effect®) Treated human hepatoma cell line (HepG2) and Dulbecco's Modified Eagle Medium (DMEM) for the assessment of cell viability under hydrogen peroxide-induced oxidative stress. The Biofield Energy Treated HepG2 cells group was maintained for 23 days under standard conditions. On the next day, the cells were challenged with 1 mM of H2O2 for the generation of oxidative stress. The ability of the Biofield Energy Healing Treatment to protect from the oxidative stress was determined by MTT cell viability assay and compared with the negative control group. The percentage of cell viability was significantly (p≤0.001) increased by 13.6% in the Biofield Energy Treated DMEM group; while altered by 3.2% in the Biofield Energy Treated HepG2 cells group compared to the negative control group. Overall, the Biofield Energy Treated DMEM showed a better antioxidative protection against oxidative stress than HepG2 cells group, which was induced by H2O2. Therefore, the results envisaged that The Trivedi Effect®- Biofield Energy Healing Treatment has an impact on the protection of various vital organs from oxidative stress; which might be helpful in the development of powerful/energized growth medium for the accelerated study with a cost-effective manner.","PeriodicalId":14898,"journal":{"name":"Journal of Antioxidant Activity","volume":"54 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91397729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}