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    Phcog.Net FREE RADICALS AND ANTIOXIDANTS Volume 3 · Issue 2S · pp. s1–s10
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    Cover: Free Radicals and Antioxidants

    Free Radicals and Antioxidants

    Volume 3, Issue 2S

    · pp. s1–s10 · 11 articles

    Volume
    3
    Issue
    2S
    Published
    Pages
    s1–s10
    Articles
    11
    Sections
    2
    ISSN
    2231-2536
    Journal
    Free Rad. Antiox.

    In this issue

    Original Article

    1. Article

      Isolation, identification and radical scavenging activity of phlorotannin derivatives from brown algae, Ecklonia maxima: An experimental and theoretical study

      Henry M. Mwangi, Jan Van Der Westhuizen, Jeanine Marnewick, Wilfred T. Mabusela, Mwadham M. Kabanda, Eno E. Ebenso

      pp. s1–s10 · DOI: 10.1016/j.fra.2013.10.006 · Published

      Aim & background: Phlorotannins are a family of polyphloroglucinols with numerous biological activities including anticancer, antimalarial and antioxidant. They are highly sought for utilization in food ingredients, anim…

    2. Article

      Absence of pyruvate anti-oxidant effect on granulocytes stimulated toll-like receptors

      Jamille Silveira Fernandes Chamon, Fernanda Sarmento Fagundes-Netto, Raquel Miranda Gonzaga, Pollyanna Stephanie Gomes, Caroline Maria de Oliveira Volpe, José Augusto Nogueira-Machado

      pp. s11–s15 · DOI: 10.1016/j.fra.2013.10.005 · Published

      Aim & background:Pyruvate is considered as an anti-inflammatory and anti-oxidant produced from glucose metabolism. We examined the effects of sodium pyruvate on reactive oxygen species (ROS) production induced by opsoniz…

    3. Article

      Effect of the pretreatment with acerola (Malpighia emarginata DC.) juice on ethanol-induced oxidative stress in mice e Hepatoprotective potential of acerola juice

      Neuza Félix Gomes Rochette, Erika Freitas Mota, Diana Célia Sousa Nunes-Pinheiro, Camila Freitas Bezerra, Maria Liduína Maia de Oliveira, Ana Claudia Marinho da Silva, Maria Raquel Alcântara de Miranda, Dirce Fernandes de Melo

      pp. s16–s21 · DOI: 10.1016/j.fra.2013.10.004 · Published

      Background and objectives: Acerola (Malpighia emarginata DC.) is a tropical fruit known for its nutritional and functional properties due to its great contents vitamin C, carotenoids and anthocyanins. The anti- oxidant p…

    4. Article

      Supplementation of patients with sickle cell disease with astaxanthin increases plasma- and erythrocyte-astaxanthin and may improve the hemolytic component of the disease

      Begoña Ruiz-Núñez, Stéphanie A. De Rooij, Pieter J. Offringa, Gert E. Schuitemaker, Tom Teerlink, Hose S.M. Booi, Janneke D.A. Dijck-Brouwer, Frits A.J. Muskiet

      pp. s22–s29 · DOI: 10.1016/j.fra.2013.10.003 · Published

      Aim & background:Sickle cell disease (SCD) is characterized by hemolytic and vaso-occlusive compo- nents. Astaxanthin is a carotenoid of marine origin, without pro-oxidant properties. Methods: In this open label pilot st…

    5. Article

      Regulation of NAD(P)H quinone oxoreductase 1 (NQO1) in SHSY-5Y neuroblastoma cells by chemopreventive agents

      Muhammad Yalwa Gwarzo

      pp. S30–S34 · DOI: 10.1016/j.fra.2013.10.002 · Published

      Introduction:High level of polyunsaturated fatty acids of lipid bilayer membrane coupled with increased oxygen consumption exposed brain cells to oxidative stress. Oxidative stress has been implicated as the etiological …

    6. Article

      Radical scavenging activity of steviol glycosides, steviol glucuronide, hydroxytyrosol, metformin, aspirin and leaf extract of Stevia rebaudiana

      Shokoofeh Hajihashemi, Jan M.C. Geuns

      pp. S34–S41 · DOI: 10.1016/j.fra.2013.10.001 · Published

      Introduction:Reactive oxygen species (ROS), generated in many bioorganic redox processes, are the most dangerous by-products in the aerobic environment. The aim of this study was to compare the in vitro antioxidant activ…

    7. Article

      Long term effect of aspartame (Artificial sweetener) on membrane homeostatic imbalance and histopathology in the rat brain

      Iyaswamy Ashok, Rathinasamy Sheeladevi, Dapkupar Wankhar

      pp. S42–S49 · DOI: 10.1016/j.fra.2013.09.003 · Published

      Background:The study focused to long-term effect of aspartame on membrane bound enzymes, oxidative stress markers and histopathology in brain regions of Wistar albino rats. Hence it is essential to observe whether the ch…

    8. Article

      Synthesis of (4-benzoyl-phenoxy)-acetic acid derivatives and their efficacy as antioxidant agents

      T. Prashanth, V. Lakshmi Ranganatha, P. Naveen, H.D. Gurupadaswamy, A. Bushra Begum, Mohammed Al-Ghorbani, Shaukath Ara Khanum

      pp. S50–S54 · DOI: 10.1016/j.fra.2013.09.002 · Published

      Aim & background: To study the synthesis of a series of (4-benzoyl-phenoxy)-acetic acid derivatives (6aek) and to test their antioxidant activity.Methods:The newly synthesized compounds were characterized by IR, 1 H NMR …

    9. Article

      Chemical composition and antioxidant activity of the ethanol extract and purified fractions of cadillo (Pavonia sepioides)

      Cristian A. Gasca, Fabio A. Cabezas, Laura Torras, Jaume Bastida, Carles Codina

      pp. S55–S61 · DOI: 10.1016/j.fra.2013.09.001 · Published

      Background: Bioactive plant compounds can contribute to prevent diseases related to oxidative stress. Some of these compounds are water soluble and fat soluble vitamins, carotenoids and a huge variety of phenolic compoun…

    10. Article

      Antioxidant potential and amino acid analysis of underutilized tropical fruit Limonia acidissima L.

      Deivamarudhachalam Teepica Priya Darsini, Vellingiri Maheshu, Mounasamy Vishnupriya, Surendran Nishaa, Jagathala Mahalingam Sasikumar

      pp. S62–S69 · DOI: 10.1016/j.fra.2013.08.001 · Published

      Objective:Limonia acidissima L. an underutilized edible fruit was evaluated for its antioxidant activity, free radical scavenging ability, proximate and amino acid analysis using established in vitro assay models. Method…

    Short communication

    1. Communication

      Comparative analysis of cytotoxic and antioxidant potential of edible Cinnamomum verum (bark) and Cinnamomum tamala (Indian bay leaf)

      Rasleen Sudan, Madhulika Bhagat, Sahil Gupta, Chitrarakha C, Tishu Devi

      pp. S70–S73 · DOI: 10.1016/j.fra.2013.05.005 · Published

      Aim and BackgroundCinnamomum verum bark (Cinnamon or dalchini in Hindi) and Cinnamomum tamala leaf (Indian bay leaf or tejpatta in Hindi) are commonly used spices in the Asian subcontinent. In the present study, we compa…