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KMID : 1239920110050050429
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Nutrition Research and Practice
2011 Volume.5 No. 5 p.429 ~ p.434
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Effects of a Rubus coreanus Miquel supplement on plasma antioxidant capacity in healthy Korean men
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Lee Ji-Eun
Park Eun-Kyo
Lee Jung-Eun
Auh Joong-Hyuck
Choi Hyung-Kyoon
Lee Jae-Hwi
Cho Soo-Muk
Kim Jung-Hyun
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Abstract
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Korean raspberry, Rubus coreanus Miquel (RCM), contains high concentrations of phenolic compounds, which prevent oxidative stress. To determine the effect of RCM on antioxidant capacity in humans, we assessed in vivo lipid oxidation and antioxidant enzyme activities from plasma in 15 healthy men. The subjects ingested 30 g of freeze-dried RCM daily for 4 weeks. Blood was taken at baseline and at the end of the study to determine blood lipid profiles, fasting plasma glucose, liver function, lipid peroxidation, and antioxidant enzyme activities. RCM supplementation had no effect on blood lipid or fasting plasma glucose concentrations but decreased alkaline phosphatase activity. RCM supplementation increased glutathione peroxidase activities (P < 0.05) but had no effect on lipid peroxidation. These results suggest that short-term RCM supplementation may offer health benefits by enhancing antioxidant capacity in a healthy population.
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KEYWORD
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Rubus coreanus Miquel, antioxidant, lipid peroxidation, glutathione peroxidase
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