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KMID : 0903520090520020180
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2009 Volume.52 No. 2 p.180 ~ p.185
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Weight Gain Limitation and Liver Protection by Long-Term Feeding of Astaxanthin in Murines
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Kim Sung-Han
Jean Dong-Il
Lim Yong-Pyo
Lee Chan-Yong
An Gil-Hwan
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Abstract
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Hepatocyte protection by astaxanthin (100 mg/kg feed for 4 wk with rats) was tested with CCl4 (0.2mL/100 g weight). The liver catalase and the lipid peroxide contents of the control, CCl4 treated, and CCl4 + astaxanthin treated rats were 17.1, 30.1, and 26.1 mmol/mg protein/min and 1.23, 1.74, and 1.51 μmol/g liver, respectively. These data indicated that astaxanthin attenuated the adverse effect of CCl4. The effect of astaxanthin [300 mg/kg in normal feed for 44 weeks and high-fat feed (10% lard oil, w/w) for the next 26 weeks] on the weight gain was investigated. With the feed of chemically synthesized astaxanthin, the weight increase was significantly slow in the male mice, but not in the females. Chemical astaxanthin decreased the levels of blood glucose, cholesterol, and triglyceride in mice by 4-21%, suggesting astaxanthin can be used to protect hepatocytes and cardiovascular system, and to limit weight gain caused by a high lipid consumption.
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KEYWORD
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astaxanthin, cholesterol, liver, Phaffia rhodozyma, weight gain
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