柴胡皂苷类成分的肠吸收特性研究
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篇名: 柴胡皂苷类成分的肠吸收特性研究
TITLE: Study on the intestinal absorption characteristics of saikosaponins
摘要: 目的 探讨柴胡皂苷类成分的肠吸收特性。方法基于大鼠外翻肠囊模型,以累积吸收量(Q)、吸收速率常数(Ka)为指标,以超高效液相色谱-串联质谱技术为手段,检测柴胡总皂苷提取液(8g/mL,以生药量计)中柴胡皂苷A、B2、C、D、F在十二指肠、空肠、回肠中的吸收情况。结果柴胡皂苷A、B2、C、F在十二指肠、空肠、回肠中吸收回归方程的相关系数(r)均大于0.95,柴胡皂苷D在上述肠段中的r均小于0.95;与同成分在十二指肠中的吸收比较,柴胡皂苷A、C在空肠、回肠中循环120min时的Q、Ka以及柴胡皂苷F在回肠中循环120min时的Q、Ka均显著降低(P<0.05)。结论柴胡皂苷A等5种柴胡皂苷类成分在十二指肠、空肠、回肠中均有吸收,其中柴胡皂苷A、B2、C、F均为线性吸收,符合零级吸收特征;柴胡皂苷D为非线性吸收。
ABSTRACT: OBJECTIVE To explore the intestinal absorption characteristics of saikosaponins. METHODS Based on everted intestinal sac model, using accumulative absorption amount (Q) and absorption rate constant (Ka) as indexes, UHPLC-MS/MS technique as a method, the absorption of saikosaponin A, B2, C, D and F from total saponins of Bupleurum chinense (8 g/mL, by crude drug) in the duodenum, jejunum and ileum was detected. RESULTS The correlation coefficients (r) of the regression equations for the absorption of saikosaponins A, B2, C and F in the duodenum, jejunum and ileum were all higher than 0.95, while the r of saikosaponin D in the above intestinal segments was lower than 0.95; compared with the absorption of the same composition in the duodenum, the Q and Ka of saikosaponin A and C circulating in jejunum and ileum for 120 min, as well as the Q and Ka of saikosaponin F circulating in the ileum for 120 min were significantly decreased (P<0.05). CONCLUSIONS Saikosaponin A and the other 4 saikosaponins are all absorbed in the duodenum, jejunum and ileum; among them, saikosaponin A, B2, C and F are linearly absorbed, which conforms to the zero-order absorption characteristics, but saikosaponin D shows non- linear absorption.
期刊: 2023年第34卷第14期
作者: 王雅芝;王启益;冯文忠;陈双双;孙欣光;周丽娟;张艳;张建永;段灿灿
AUTHORS: WANG Yazhi,WANG Qiyi,FENG Wenzhong, CHEN Shuangshuang,SUN Xinguang,ZHOU Lijuan,ZHANG Yan,ZHANG Jianyong,DUAN Cancan
关键字: 柴胡;皂苷类成分;外翻肠囊法;累积吸收量;吸收速率常数;超高效液相色谱-串联质谱技术
KEYWORDS: Bupleurum chinense; saikosaponins; everted intestinal sac experiment; accumulative absorption amount;
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