Antioxidant Effects of the Ethanol Extract from Flower of Camellia japonica via Scavenging of Reactive Oxygen Species and Induction of Antioxidant Enzymes
2011

Antioxidant Effects of Camellia japonica Flower Extract

publication Evidence: moderate

Author Information

Author(s): Piao Mei Jing, Yoo Eun Sook, Koh Young Sang, Kang Hee Kyoung, Kim Junoh, Kim Yong Jin, Kang Hak Hee, Hyun Jin Won

Primary Institution: Jeju National University

Hypothesis

The study investigates the antioxidant properties of the ethanol extract from the flower of Camellia japonica.

Conclusion

Camellia extract exhibits antioxidant properties by scavenging reactive oxygen species and enhancing antioxidant enzyme activities.

Supporting Evidence

  • Camellia extract showed no cytotoxicity at various concentrations.
  • The extract scavenged DPPH radicals and reduced intracellular ROS levels.
  • It increased the activity of antioxidant enzymes like SOD, CAT, and GPx.

Takeaway

This study shows that a flower extract from Camellia japonica can help protect cells from damage by fighting off harmful substances called reactive oxygen species.

Methodology

The study involved testing the extract's ability to scavenge radicals and measuring the activity of antioxidant enzymes in human keratinocytes.

Participant Demographics

Human keratinocytes (HaCaT cells) were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/ijms12042618

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