Lipoperoxyl Radical Scavenging and Antioxidative Effects of Red Beet Pigments

  • Maria A. Livrea
  • Luisa Tesoriere


Aerobic life is characterized by a steady formation of reactive oxygen species and free radicals, which is almost entirely counteracted by endogenous primary and secondary antioxidant systems. Maintenance of these systems is then imperative to ensure a continuous defense to cells and to avoid conditions known as oxidative stress. Apart from antioxidant vitamins, many compounds from the plant kingdom are now considered very helpful to maintain a proper cell redox balance. Among them, betalain pigments have received recent attention. Betanin (betanidin-5-O-β glucoside) is the main betacyanin from red beet. Redox potential, ability to interact with lipid structures and bioavailability in humans make this molecule a potential natural antioxidant with protective effects in vivo. This review summarizes the peroxyl radical-scavenging activity of the molecule and of its aglycone betanidin, as observed in a few chemical or biological models.


Lipid Hydroperoxide Peroxyl Radical Trolox Equivalence Antioxidant Capacity Inhibition Period Stoichiometric Factor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Dipartimento STEMBIOUniversità di PalermoPalermoItaly

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