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KMID : 1204320170330020105
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Laboratory Animal Research
2017 Volume.33 No. 2 p.105 ~ p.113
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Blood flow-improving activity of methyl jasmonate-treated adventitious roots of mountain ginseng
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Ban Young-Hwan
Cha Ye-Seul
Choi Ji-Eun
An Eun-Suk
Lee Ji-Young
Han Nu-Ry
Seo Da-Woom
Jung Goo-Young
Jeong Da-Hye
Rhee Man-Hee
Choi Ehn-Kyoung
Kim Yun-Bae
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Abstract
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Ginsenosides from Panax ginseng are well known for their diverse pharmacological effects including antithrombotic activity. Since adventitious roots of mountain ginseng (ARMG) also contain various ginsenosides, blood flow-improving effects of the dried powder and extract of ARMG were investigated. Rats were orally administered with dried powder (PARMG) or ethanol extract (EARMG) of ARMG (125, 250 or 500 mg/kg) or aspirin (30 mg/kg, a reference control) for 3 weeks. Forty min after the final administration, carotid arterial thrombosis was induced by applying a 70% FeCl3-soaked filter paper outside the arterial wall for 5 min, and the blood flow was monitored with a laser Doppler probe. Both PARMG and EARMG delayed the FeCl3-induced arterial occlusion in a dose-dependent manner, doubling the occlusion time at high doses. In mechanism studies, a high concentration of EARMG inhibited platelet aggregation induced by collagen in vitro. In addition, EARMG improved the blood lipid profiles, decreasing triglyceride and cholesterol levels. Although additional action mechanisms remain to be clarified, it is suggested that ARMG containing high amount of ginsenosides such as Rg3 improves blood flow not only by inhibiting oxidative thrombosis, but also by modifying blood lipid profiles.
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KEYWORD
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Mountain ginseng, adventitious root, ginsenoside, platelet aggregation, blood flow
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