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Iridoid Glycoside from the Leaves of Clerodendrum volubile Beauv. Shows Potent Antioxidant Activity Against Oxidative Stress in Rat Brain and Hepatic Tissues.
MedLine Citation:
PMID:  24409978     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ABSTRACT Aim: This study aims at reporting the isolation, structure elucidation, and antioxidant potentials of ajugoside from C. volubile leaves in sodium nitroprusside (SNP)-induced oxidative stressed rat brain and hepatic tissues. Materials and Method: An iridoid monoterpene, ajugoside was isolated from the n-butanol fraction of C. volubile and evaluated for its antioxidant protective potential on brain and liver tissues of male Wister rats in an ex vivo model. Two molar concentrations (6.4 × 10(-4) M and 1.28 × 10(-3) M) of the metabolite and SNP were incubated with the tissues homogenate at 37°C for 2 hr prior to the test and assayed for catalase, superoxide dismutase (SOD) activities, and lipid peroxidation. α tocopherol (6.4 × 10(-4) M) was used as standard. Results: Both molar concentrations exhibited high catalase activity in the tissues. However, 6.4 × 10(-4) M ajugoside exhibited a very high SOD activity (liver: 96.45 and brain: 96.30%) and inhibition of lipid peroxidation (liver: 88.11 and brain: 93.27%) compared to the standard. 1.28 × 10(-3) M ajugoside also exhibited good activities but lower than that of the standard and 6.4 × 10(-4) M ajugoside. Discussion and Conclusion: Ajugoside showed potent antioxidant activities as evidenced by the synergistic high activities of SOD and catalase as well as inhibition of lipid peroxidation in the studied tissues.
Authors:
Ochuko L Erukainure; Osaretin A T Ebuehi; Iqbal M Choudhary; Achyut Adhikari; Rahman M Hafizur; Shahida Perveen; Aliyu Muhammad; Gloria N Elemo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-1-10
Journal Detail:
Title:  Journal of dietary supplements     Volume:  -     ISSN:  1939-022X     ISO Abbreviation:  J Diet Suppl     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-1-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101249830     Medline TA:  J Diet Suppl     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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