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桃核承气汤及单味大黄中大黄酸在家兔体内的药代动力学 预览 被引量：20

Pharmacokinetics of rhein in Taohe Chengqi Decoction (桃核承气汤) and rhubarb in rabbits
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摘要 目的:比较家兔灌服桃核承气汤和单味大黄后大黄酸的药代动力学特征.方法:家兔灌服桃核承气汤5.0g生药/kg和单味大黄1.4g生药/kg后,血浆经高氯酸和乙醚萃取,用高效液相色谱法测定大黄酸血药浓度.色谱柱为Eclipse XDB-C18柱,流动相为乙腈-0.1%磷酸,紫外检测波长为258nm.结果:家兔灌服桃核承气汤和单味大黄后,大黄酸血浆浓度-时间曲线符合二室开放模型.桃核承气汤中大黄酸吸收更为迅速,按相同给药剂量计(1 mg/kg),灌服桃核承气汤和单味大黄大黄酸的Cmax分别为(0.682±0.142)mg/L、(0.358±0.105)mg/L,二者差异有显著意义(P<0.01).结论:桃核承气汤药味配伍促进了大黄酸的吸收利用. To study the pharmacokinetics of rhein after ig administration of Taohe Chengqi Decoction and rhubarb in rabbits. Methods: Normal rabbits were given ig a single dose of Taohe Chengqi Decoction 5g/kg or rhubarb 1.4g/kg. The plasma concentration of Rhein was measured by high performance liquid chromatography after extracted with perchloric acid and ether. Eclipse XDB-C18 was used as analytical column. The mobile phase consisted of acetonitrile-0.1% phosphoric acid, and the ultraviolet wavelength was set at 258nm. Results: The concentration-time curves of rhein fitted well into two-compartment models in rabbits. The results showed that rhein was absorbed more quickly after ig administration of Taohe Chengqi Decoction than rhubarb. With the same dosage of rhein(1 mg/kg) ig in rabbits, the maximum plasma concentration (Cmax) of rhein were (0.682±0.142) mg/L and (0.358±0.105) mg/L after ig administration of Taohe Chengqi Decoction and rhubarb. Significant difference was found between the two groups for the maximum plasma concentration (P<0.01). Conclusions: The compound compatibility of the decoction promoted the absorption of rhein. It indicated that there is rationality in the compatibility of Taohe Chengqi Decoction.
作者 谢华 马越鸣 王天明 叶福媛 Xie Hua,Ma Yueming,Wang Tianming,Ye Fuyuan(Research laboratory of Pharmacokinetics, College of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203)
机构地区 上海中医药大学中药学院药代动力学研究室
出处 《中药药理与临床》 CAS CSCD 北大核心 2005年第2期 1-3,共3页 Pharmacology and Clinics of Chinese Materia Medica
基金 上海市卫生局资助项目
关键词 桃核承气汤 单味大黄 大黄酸 药代动力学 高效液相色谱法 体内 家兔 紫外检测波长 动力学特征 血药浓度 时间曲线 血浆浓度 吸收利用 药味配伍 灌服 家免 色谱柱 流动相 剂量计 生药 Taohe Chengqi Decoction (桃核承气汤) rhubarb rhein pharmacokinetics
分类号 R289.5 [医药卫生—方剂学][医药卫生—中药学][医药卫生—中医学] R282.71 [医药卫生—中药学][医药卫生—中医学]
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中药药理与临床
2005年 第2期
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