Publication: Antioxidant and cytoprotective activities of methanolic extract from Garcinia mangostana hulls
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Issued Date
2007-09-01
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ISSN
15131874
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2-s2.0-34948890485
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Mahidol University
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SCOPUS
Bibliographic Citation
ScienceAsia. Vol.33, No.3 (2007), 283-292
Suggested Citation
Nuttavut Kosem, Youn Hee Han, Primchanien Moongkarndi Antioxidant and cytoprotective activities of methanolic extract from Garcinia mangostana hulls. ScienceAsia. Vol.33, No.3 (2007), 283-292. doi:10.2306/scienceasia1513-1874.2007.33.283 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/25149
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Title
Antioxidant and cytoprotective activities of methanolic extract from Garcinia mangostana hulls
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Abstract
Garcinia mangostana has been documented in Thai traditional medicine in various aspects. Although many benefits have been claimed, few scientific reports are available in the literature. In the present study, the methanolic extract from G. mangostana hulls (GME) was assessed for antioxidant and cytoprotective activities. The results showed that GME contained phenolic compounds and possessed reducing power as well as Fe 2+ chelating activity. The antioxidant properties were determined by scavenging DPPH, nitric oxide and lipid radicals in dose-dependent manners. In particular, the powerful scavenging activities were found against hydroxyl and superoxide radicals when investigated using ESR spectrometry. GME also enhanced the cell survival by decreasing the oxidative damage in ECV304 endothelial cells after H 2O 2 exposure. These data indicated that GME played a pivotal role on the antioxidant and chemopreventive activities via a reducing mechanism and inhibition of intracellular oxidative stress, respectively.