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http://dx.doi.org/10.3746/jkfn.2005.34.9.1302

Anticarcinogenic and Antioxidant Effects of Rhodiola sachalinensis  

Bae, Song-Ja (Dept. of Food and Nutrition, Marine Biotechology Center for Biofunctional Material Industries, Silla University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.34, no.9, 2005 , pp. 1302-1307 More about this Journal
Abstract
In this study, we investigated the anticarcinogenic and antioxidative activities of Rhodiola sachalinensis (RS). Hexane (RSMH), ethylether (RSMEE), ethylacetate (RSMEA), butanol (RSMB), aqueous (RSMA) fractions and methanol extract (RSM) were screened for their growth inhibition effects using 3- (4,5-dimethyl-thiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay on HepG2, HeLa, MCF-7 and HT-29 cells. The anticarcinogenic effects of RSMEE was most significant when tested on MCF-7 and HepG2 cell lines at the concentration of $500{\mu}g/mL$ which resulted about $84\%\;and\;90\%$ on MCF-7 and HepG2 cells, respectively. The quinone reductase (QR)-inducing activity of RSMH on HepG2 cells was 3.5 times higher compared with the control at the concentration of $200{\mu}g/mL$. Antioxidative activities of RSM, RSMEE, RSMEA and RSMB showed about $80\%$ of electron donating activity (EDA) which were very similar to that of vitamin C as a control. We observed morphological changes of shrinking and the blebbing of HepG2 cancer cell membranes depending on the concentration of RSMEE.
Keywords
Rhodiola sachalinensis; anticarcinogenic activity; quinone reductase; cancer cell lines;
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