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    Phcog.Net FREE RADICALS AND ANTIOXIDANTS Volume 2 · Issue 4 · pp. 1–67
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    Cover: Free Radicals and Antioxidants

    Free Radicals and Antioxidants

    Volume 2, Issue 4

    · pp. 1–67 · 11 articles

    Volume
    2
    Issue
    4
    Published
    Pages
    1–67
    Articles
    11
    Sections
    1
    ISSN
    2231-2536
    Journal
    Free Rad. Antiox.

    In this issue

    Original Article

    1. Article

      Lipid peroxidation, superoxide dismutase and catalase co-relation in pulmonary and extra pulmonary tuberculosis

      Shubhangi M Dalvi, Vinayak W Patil, Nagsen N. Ramraje, Jaising M Phadtare

      pp. 1–5 · DOI: 10.5530/ax.2012.4.1 · Published

      Objective:Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis affecting mainly the immune system in humans. This Study determines the malondialdehyde causing oxidation stress and blood levels of su…

    2. Article

      Haptoglobin, an acute phase reactant as marker for chronic pancreatitis – evidence from serum proteome analysis

      Suganya Vijayashankar, Geetha Arumugam, Satish Devakumar

      pp. 12–18 · DOI: 10.5530/ax.2012.4.3 · Published

      Background and Aim:Serum proteome analysis is a novel tool to detect the protein markers for any pathological disease. Diagnosis of chronic pancreatitis is mainly based on the level of serum marker enzymes amylase and li…

    3. Article

      A comparative analysis of superoxide dismutase activity levels in gingiva and gingival crevicular fluid in patients with chronic periodontitis and periodontally healthy controls

      Amita Olivia Coutinho, Sheetal Sanikop

      pp. 19–25 · DOI: 10.5530/ax.2012.4.4 · Published

      Background and Objectives:Superoxide dismutase (SOD), a metalloenzyme is a powerful antioxidant in the body that acts against superoxide, released in inflammatory pathways and causes extracellular structure degradation. …

    4. Article

      Studies on phytochemical and In-Vitro antioxidant potential of Justicia beddomei (Clarke) Bennett

      Akash Marathakam, Kannappan N, Jasemine S, Santhiagu A, Sreejith M, Ajith MP

      pp. 26–31 · DOI: 10.5530/ax.2012.4.5 · Published

      Introduction: The current study was carried out to investigate the phytochemical constituents and in vitro antioxidant potential of the aerial parts of Justicia beddomei (Clarke) Bennett belonging to the family Acanthace…

    5. Article

      Anti-oxidant capacity, total phenolic contents and HPLC determination of rutin in Viola tricolor (L) flowers

      Adiene Fernandes Kieling Gonçalves, Rossana Barcellos Friedrich, Aline Augusti Boligon, Mariana Piana, Ruy Carlos Ruver Beck, Margareth Linde Athayde

      pp. 32–37 · DOI: 10.5530/ax.2012.4.6 · Published

      Background: Natural products with anti-oxidant properties have gained importance in recent years due to their ability to neutralize free radicals or their actions. Viola tricolor belong to Violaceae family and is known a…

    6. Article

      In vitro anti-oxidant activity of Ruellia tuberosa root extracts

      Daya L. Chothani, S.H. Mishra

      pp. 38–44 · DOI: 10.5530/ax.2012.4.7 · Published

      Background:The present study was aimed to evaluate in vitro anti-oxidant activity of the Ruellia tuberosa (Acanthaceae) roots. Materials and Methods:Anti-oxidant activity was evaluated by using DPPH free radical scavengi…

    7. Article

      In vitro anti-cancer and anti-oxidant activity of different fractions of Diospyros peregrina unripe fruit extract

      Angel T. Alex, Niranga Hansini Nawagamuwa, Alex Joseph, Josyula V. Rao, Jesil A. Mathew, Nayanabhirama Udupa

      pp. 45–49 · DOI: 10.5530/ax.2012.4.8 · Published

      Background:Diospyros peregrina (Ebenaceae) is a medium-sized evergreen tree having ethnomedicinal significance as an aphrodisiac, astringent, bactericide and for the treatment of diarrhoea, cholera, dysentery, fever, mal…

    8. Article

      Evaluation of the antioxidant effects in vitro of the isopulegone

      Oskar Almeida Silva, Francisco Rodrigo de Asevedo Mendes de Oliveira, Tamires Cardoso Lima, Damião Pergentino de Sousa, Alexandre Araújo de Souza, Rivelilson Mendes de Freitas

      pp. 50–55 · DOI: 10.5530/ax.2012.4.9 · Published

      Background: Studies report that monoterpenes and their synthetic derivatives have diverse biological and pharmacological properties. Among these compounds, isopulegone present in the essential oil of various aromatic pla…

    9. Article

      Membrane stability and methaemoglobin content of human erythrocytes incubated in aqueous leaf extract of Nicotiana tabacum product

      Chikezie P.C., Akuwudike A. R., Chikezie C. M.

      pp. 56–61 · DOI: 10.5530/ax.2012.4.10 · Published

      The present study seeks to ascertain membrane stability and methaemoglobin content (%MetHb) of human erythrocytes suspended in aqueous leaf extract of N. tabacum. Erythrocyte membrane stability (%EMS) and %MetHb were mea…

    10. Article

      Endogenous antioxidant defenses in malaria comorbidly occurring with typhoid

      O. Ademuyiwa, D. A. Ojo, R. N. Ugbaja, S. O. Rotimi

      pp. 6–11 · DOI: 10.5530/ax.2012.4.2 · Published

      Introduction: Malaria and typhoid are two diseases of public health importance that are associated with fever in the tropics. Objective: To assess antioxidant responses during malaria, typhoid and typhoid + malaria infec…

    11. Article

      Antioxidant properties of benzoic acid derivatives against superoxide radical

      Beata Velika, Ivan Kron

      pp. 62–67 · DOI: 10.5530/ax.2012.4.11 · Published

      Introduction: Reactive species play a dual deleterious and beneficial antioxidant role. Overproduction of reactive species can cause damage of cell structures, including lipids and membranes, proteins and DNA. Hydroxyben…