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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Antioxidant activity of gallic acid from rose flowers in senescence accelerated mice.

The activities of the antioxidant enzymes catalase (CAT) and glutathione peroxidase ( GPx) in the blood and liver of the aging model induced by injection of different doses of D-gal into normal mice, and in senescence accelerated mice (SAM) of different ages, were determined. The results showed that the enzyme activities in the D-gal treated mice did not alter appreciably but the enzyme activities in blood of the SAM declined significantly with the increase in age, especially in the 9-month-old SAM. When gallic acid purified from rose flowers was used to treat the 9-month-old male SAM, it not only reinstated the activities of CAT and GPx but also significantly reduced the amount of malondialdehyde (MDA) in the liver, brain and kidney. The results demonstrated that 9-month-old male SAM represent an appropriate animal model to evaluate the antioxidant activities of natural products.[1]


  1. Antioxidant activity of gallic acid from rose flowers in senescence accelerated mice. Li, L., Ng, T.B., Gao, W., Li, W., Fu, M., Niu, S.M., Zhao, L., Chen, R.R., Liu, F. Life Sci. (2005) [Pubmed]
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