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Journal Article

Journal article

Effect of Chlorella vulgaris Intake on Antioxidative Capacity in Rats Oxidatively Stressed with Dietary Cadmium  [2009]

Kim, Y.J., Ewha Womans University, Seoul, Republic of Korea; Jeong, S.W., Ewha Womans University, Seoul, Republic of Korea; Kwon, S.H., Ewha Womans University, Seoul, Republic of Korea; Kim, M.K., Ewha Womans University, Seoul, Republic of Korea;

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This study was conducted to investigate whether dietary chlorella intake could have an effect on antioxidative capacity in rats oxidatively stressed with cadmium (Cd). Sprague-Dawley rats fed dietary chlorella (0, 5, and 10%) for 4 weeks after induction of oxidative stress by exposing to Cd (200 ppm) for 8 weeks. After the oxidative stress applied, plasma and liver malondialdehyde concentrations and xanthine oxidase activities were decreased in 5% chlorella fed group compared to chlorella free group. Although liver heme oxygenase-1 protein expression was not affected by chlorella, the enzyme activity was improved in 5% chlorella fed group. Erythrocyte superoxide dismutase activity and hepatic metallothionein concentration were increased in 5% chlorella fed group. However, 10% chlorella intake had no effect on the improvement of oxidative stress-related enzymes and proteins. These findings suggest that, after induction of oxidative stress with Cd, 5% chlorella intake might improve antioxidative capacity against oxidative stress.

From the journal

Food Science and Biotechnology

ISSN : 1226-7708