Free radical scavenging activity and lipoxygenase inhibition of Mahonia aquifolium extract and isoquinoline alkaloids
2007

Effects of Mahonia aquifolium Extract on Lipoxygenase Activity

publication Evidence: moderate

Author Information

Author(s): Rackova Lucia, Oblozinsky Marek, Kostalova Daniela, Kettmann Viktor, Bezakova Lydia

Primary Institution: Institute of Experimental Pharmacology, Slovak Academy of Sciences

Hypothesis

The study investigates the effects of Mahonia aquifolium extract and its alkaloids on lipoxygenase activity.

Conclusion

The study concludes that the inhibition of lipoxygenase by Mahonia aquifolium is likely due to specific interactions with the enzyme rather than just radical scavenging.

Supporting Evidence

  • The crude extract of Mahonia aquifolium showed the highest lipoxygenase inhibitory effect.
  • Fraction I containing BBIQ alkaloids exhibited stronger inhibition than Fraction II with protoberberine alkaloids.
  • Jatrorrhizine demonstrated significantly higher antiradical activity compared to berberine.

Takeaway

This study looks at how a plant extract can help reduce inflammation by affecting certain enzymes in the body.

Methodology

The study used in vitro assays to evaluate the effects of Mahonia aquifolium extract and its alkaloids on lipoxygenase activity and radical scavenging.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-9255-4-15

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