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南京中医药大学 药学院,江苏省中医外用药开发与应用工程研究中心, 江苏省经典名方工程研究中心,南京 210023
张佳,在读硕士,从事中药药剂学研究,E-mail:20200607@njucm.edu.cn
严国俊,教授,博士生导师,从事中药饮片及制剂品质传递过程及评价方法研究,E-mail:yanguojun@njucm.edu.cn
收稿日期:2022-03-07,
网络出版日期:2022-04-12,
纸质出版日期:2022-08-20
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张佳,高媛,周湘杰等.基于药物吸收仿生系统的经典名方当归补血汤多指标成分肠吸收特征考察[J].中国实验方剂学杂志,2022,28(16):188-195.
ZHANG Jia,GAO Yuan,ZHOU Xiangjie,et al.Investigation of Intestinal Absorption Characteristics of Multi-index Components of Danggui Buxuetang Based on Drug Absorption Simulating System[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(16):188-195.
张佳,高媛,周湘杰等.基于药物吸收仿生系统的经典名方当归补血汤多指标成分肠吸收特征考察[J].中国实验方剂学杂志,2022,28(16):188-195. DOI: 10.13422/j.cnki.syfjx.20220449.
ZHANG Jia,GAO Yuan,ZHOU Xiangjie,et al.Investigation of Intestinal Absorption Characteristics of Multi-index Components of Danggui Buxuetang Based on Drug Absorption Simulating System[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(16):188-195. DOI: 10.13422/j.cnki.syfjx.20220449.
目的
2
利用外翻肠囊模型建立的药物吸收仿生系统(DASS)考察当归补血汤多指标成分的肠吸收特征。
方法
2
收集当归补血汤给药后不同时间点的肠吸收液,采用高效液相色谱法(HPLC)检测,以乙腈(A)-0.2%冰乙酸溶液(B)为流动相进行梯度洗脱(0~16 min,15%~23%A;16~20 min,23%~28%A;20~25 min,28%~30%A;25~30 min,30%A;30~35 min,30%~65%A;35~45 min,65%~95%A),检测波长302 nm,建立肠吸收液的HPLC指纹图谱并标定共有峰,计算各指标成分的相对累积吸收率,利用DDSolver 1.0软件对各成分相对累积吸收曲线进行模型拟合,探究不同成分的吸收规律。
结果
2
当归补血汤中成分C2(毛蕊异黄酮葡萄糖苷)和C6的吸收过程较符合零级方程,C9成分以Weibull方程拟合最佳,其余7个成分则更符合Makoid-Banakar方程。成分C1与C2、C3、C5、C7、C10,C2与C5、C7,C3与C4、C5、C7、C10,C4与C6、C10,C5与C7,C6与C10,C7与C10,C8与C9在吸收过程中为同步吸收。随着时间的延长,当归补血汤的整体相对累积吸收率随之增加,120 min时,当归补血汤的整体相对累积吸收率>38%,至180 min时已达49.14%。
结论
2
当归补血汤中的10个指标成分在空肠中均有吸收,但各成分的吸收规律并不一致,表明中药复方制剂的肠吸收具有多元特征,以化学成分为指标的中药复方制剂肠吸收研究能揭示其部分吸收规律,但用于表征复方制剂整体吸收特征的指标还需进一步探究。
Objective
2
To investigate the intestinal absorption characteristics of multi-index components in Danggui Buxuetang with drug absorption simulating system (DASS) established by everted intestinal sac model.
Method
2
The intestinal absorption solution at different time points after administration of Danggui Buxuetang was collected and detected by high performance liquid chromatography (HPLC), acetonitrile (A)-0.2% glacial acetic acid solution (B) was used as the mobile phase for gradient elution (0-16 min, 15%-23%A; 16-20 min, 23%-28%A; 20-25 min, 28%-30%A; 25-30 min, 30%A; 30-35 min, 30%-65%A; 35-45 min, 65%-95%A), the detection wavelength was 302 nm. HPLC fingerprint of intestinal absorption solution was established and the common peak was calibrated, and the relative cumulative absorption rate of each index component was calculated. The relative cumulative absorption curves of components were fitted with various mathematical models by DDSolver 1.0 to explore the absorption law of different components.
Result
2
The absorption process of C2 (calycosin-7-glucoside) and C6 in Danggui Buxuetang was in line with zero-order equation, C9 was best fitted by Weibull equation, and the remaining 7 components were in line with Makoid-Banakar equation. C1 with C2, C3, C5, C7 and C10, C2 with C5 and C7, C3 with C4, C5, C7 and C10, C4 with C6 and C10, C5 with C7, C6 with C10, C7 with C10, C8 with C9 were absorbed simultaneously during the absorption process. With the prolongation of time, the overall cumulative absorption rate of Danggui Buxuetang increased. At 120 min, the overall cumulative absorption rate of Danggui Buxuetang exceeded 38%, and reached 49.14% at 180 min.
Conclusion
2
Ten ingredients in Danggui Buxuetang are absorbed in the jejunum, but absorption law of various components is different, which shows that the intestinal absorption of compound preparations of traditional Chinese medicine (TCM) has multiple characteristics. Intestinal absorption study of TCM compound preparations with chemical composition as the index can reveal some of its absorption law, but it is not complete.
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