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Abstract Title:

Stimulatory effect of components of rose flowers on catalytic activity and mRNA expression of superoxide dismutase and catalase in erythrocytes.

Abstract Source:

Environ Toxicol Pharmacol. 2009 May ;27(3):396-401. Epub 2009 Jan 29. PMID: 21783970

Abstract Author(s):

Y Jiang, J H Wong, Z F Pi, T B Ng, C R Wang, J Hou, R R Chen, H J Niu, F Liu

Article Affiliation:

Y Jiang

Abstract:

In the present study, two antioxidant components (polysaccharopeptide complex P(1-a) and condensed tannin P(1-b)) from rose (Rosa rugosa) flowers were each incubated with mouse erythrocytes to investigate their effect on erythrocyte superoxide dismutase (SOD), and catalase (CAT) activities. It was found that the activities of Cu, Zn-SOD and CAT were markedly increased after incubation for 3h with rose flower fractions at the concentration of 500μg/ml. Similar changes were also observed in the erythrocyte gene expression of SOD and CAT. These results show that P(1-a) and P(1-b) are effective antioxidants that increase the activity and the gene expression of SOD and CAT in mouse erythrocytes.

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