Antihypoxic and antioxidant activity of Hibiscus esculentus seeds

Authors

  • Mohammad Ali Ebrahimzadeh Pharmaceutical Sciences Research Center, School of Pharmacy, Mazandaran University of Medical Sciences
  • Seyed Fazel Nabavi Pharmaceutical Sciences Research Center, School of Pharmacy, Mazandaran University of Medical Sciences
  • Seyed Mohammad Nabavi Pharmaceutical Sciences Research Center, School of Pharmacy, Mazandaran University of Medical Sciences
  • Bahman Eslami Department of Biology, Islamic Azad University of Ghaemshahr

DOI:

https://doi.org/10.3989/gya.053809

Keywords:

Antihypoxic activity, Antioxidant activity, DPPH, Flavonoids, Hibiscus esculentus, Phenols

Abstract


The antihypoxic and antioxidant activities of Hibiscus esculentus seeds were investigated employing eight in vitro assay systems. Antihypoxic activity was investigated in two models, haemic and circulatory. The effects were pronounced in both models of hypoxia. The antihypoxic effects were dose-dependent. The results indicated that the extracts have a protective effect against hypoxia induced lethality in mice. The extracts showed antioxidant activity in some models. IC50 for DPPH radical-scavenging activity was 234 ± 8.9 μg ml-1. The extracts showed weak nitric oxide-scavenging activity between 0.1 and 1.6 mg ml-1. The extracts showed weak Fe2+ chelating ability. IC50 were 150 ± 13 μg ml-1. The extracts also exhibited low antioxidant activity in the linoleic acid model but were capable of scavenging hydrogen peroxide in a concentration dependent manner. The total amount of phenolic compounds in each extract was determined as gallic acid equivalents and total flavonoid contents were calculated as quercetin equivalents from a calibration curve. Pharmacological effects may be attributed, at least in part, to the presence of phenols and flavonoids in the extracts.

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References

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Published

2010-03-30

How to Cite

1.
Ebrahimzadeh MA, Nabavi SF, Nabavi SM, Eslami B. Antihypoxic and antioxidant activity of Hibiscus esculentus seeds. Grasas aceites [Internet]. 2010Mar.30 [cited 2024Mar.19];61(1):30-6. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/617

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