Molecular and Cellular Biochemistry

, Volume 373, Issue 1–2, pp 179–187 | Cite as

Investigation of in vitro and in vivo antioxidant potential of secoisolariciresinol diglucoside

  • Sadiq S. Moree
  • J. Rajesha


The present study was designed to evaluate the in vitro and in vivo ameliorative antioxidant potential of secoisolariciresinol diglucoside (SDG). In vitro antioxidant activity of synthetic SDG was carried out using DPPH, reducing power potency, and DNA protection assays. Wistar albino rats weighing 180–220 g were used for in vivo studies and liver damage was induced in the experimental animals by a single intraperitoneal (I.P.) injection of CCl4 (2 g/kg b.w.). Intoxicated animals were treated orally with synthetic SDG at (12.5 and 25 mg/kg b.w.) and Silymarin (25 mg/kg) for 14 consecutive days. The levels of catalase (CAT), superoxide dismutase (SOD), peroxidase (POX), and lipid peroxidase (LPO) were measured in liver and kidney homogenates. The synthetic SDG exerts high in vitro antioxidant potency as it could scavenge DPPH at a IC50 value of 78.9 μg/ml and has dose-dependent reducing power potency and protected DNA at 0.5 mg/ml concentration. Oral administration of synthetic SDG at 12.5 and 25 mg/kg b.w. showed significant protection compared to Silymarin (25 mg/kg) and the activities of CAT, SOD, and POX were markedly increased (P < 0.05), whereas LPO significantly decreased (P < 0.001) in a dose-dependent manner in liver and kidney in both pre- and post-treatment groups when compared to toxin-treated group. The results of in vitro and in vivo investigations revealed that synthetic SDG at 25 mg/kg b.w. is associated with beneficial changes in hepatic enzyme activities and thereby plays a key role in the prevention of oxidative damage in immunologic system.


Synthetic SDG Antioxidant activity DNA protection Silymarin Hepatic enzymes 



The authors are grateful for the financial assistance provided by the Department of Science & Technology, New Delhi, to carry out this research work. We are thankful to the Departments of Studies in Chemistry/Zoology, University of Mysore, Mysore, for providing facilities and animals; and Indian Institute of Science, Bangalore for the assistance with structural analysis.

Conflict of interest

The authors have declared no conflict of interest.


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Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  1. 1.Department of BiochemistryYuvaraja’s College, University of MysoreMysoreIndia

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