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자료유형
학술대회자료
저자정보
Koo, Bon-Sik (Dept. of Prescriptionology, College of Oriental Medicine, Kyung Hee University) Kim, Hong-Yeoul (Institute of Oriental Medicine, Kyung Hee University) Park, Seong-Kyu (Dept. of Prescriptionology, College of Oriental Medicine, Kyung Hee University)
저널정보
한국응용약물학회 한국응용약물학회 추계학술발표논문집 한국응용약물학회 2002년도 창립10주년기념 및 국립독성연구원 의약품동등성평가부서 신설기념 국재학술대회:생물학적 동등성과 의약품 개발 전략을 위한 국제심포지움
발행연도
2002.1
수록면
203 - 203 (1page)

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Rheum palmatum L. has been used for treatment of hypertension, lipemia, and paramenia in the oriental gerbal medicines for a long time. We have examined the relaxational response to the water extract of Rheum palmaum L. in isolated thoracic aorta from sprague dawley (SD) rat in the presence and absence of endothelium. Rat thoracic aorta was investigated in vessel segments suspended for isometric tension recording by polygraph. Responses to Rhizoma Rhei were investigated in vessels precontracted with 5-hydroxytryptamine. We found that the ghoracic aorta segments responded to the water extract of Rheum palmatum L. (ERP) with a dose-dependent vasorelaxation. We found that 1.The thoracic aorta sehments responded to ERP with a dose-dependent vasodiliation. 2.The 5-HT induced contraction at 10$\^$-4/M were inhibited by 85.8% after addition of the 0.1 g/mL water extract of ERP. 3. The 5-HT induced contraction at 10$\^$-4/ M with and without endothelium were inhibited by 86.4% and 85.8% after addition of the 0.1g/mL ERP. 4. After pre-treatment of the thoracic aorta with 10$\^$-4/M N$\^$G/-monomethyl-L-arginine(L-NMMA), inducible niric oxide synthase inhibitor, the vessels has not response to the contraction. In conclusion, ERP induced reaxation in the isolated rat thoracic aorta were composed of dose-dependent relaxation. and it has potent vasodilation.

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