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Effect of the sustained release excipients on the release rate of ginsenoside Rg1 and ginsenoside Rb1 in sustained-release tablet of Panax notoginsenosides
Author(s): WU Qing, CHEN Xianchun, DU Shouying
Pages: 944-
947
Year: 2004
Issue:
10
Journal: CHINA JOURNAL OF CHINESE MATERIA MEDICA
Keyword: 三七总皂苷; 缓释辅料; 中药有效部位; 释药特性; 人参皂苷Rg1; 人参皂苷Rb1;
Abstract: 目的:探讨缓释辅料对三七总皂苷缓释片中人参皂苷Rg1,Rb1释药特性的影响.方法:通过考察由HPMC和EC 2种缓释辅料,不同黏度规格的EC,以及EC的不同用量制成的缓释骨架片,测定人参皂苷Rg1,Rb1在这些缓释片中的释放度.结果:缓释辅料的种类,规格及用量均影响人参皂苷Rg1,Rb1的释药特性,在各缓释片中人参皂苷Rg1,Rb1间的释药行为也存在差异.结论:中药有效部位缓释制剂研究中应当重视有效成分间释药特性的异同.
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