LIU Meng-jiao,ZANG Chen,LIU Shao-yong,et al.Atomization Characteristics of Baicalin, Ursodeoxycholic Acid and Caffeic Acid in Tanreqing Inhalation Solution[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(15):137-141.
LIU Meng-jiao,ZANG Chen,LIU Shao-yong,et al.Atomization Characteristics of Baicalin, Ursodeoxycholic Acid and Caffeic Acid in Tanreqing Inhalation Solution[J].Chinese Journal of Experimental Traditional Medical Formulae,2020,26(15):137-141. DOI: 10.13422/j.cnki.syfjx.20200846.
Atomization Characteristics of Baicalin, Ursodeoxycholic Acid and Caffeic Acid in Tanreqing Inhalation Solution
选择黄芩苷、熊去氧胆酸、咖啡酸为指标成分,采用PARI Boy SX型压缩雾化吸入器(配备红芯雾化杯),配合BRS2000型呼吸模拟器,考察雾化器不同角度(上15度,下15度,上30度,下30度,偏15度,偏30度,垂直)对痰热清吸入溶液递送速率、递送总量的影响;选取成人、儿童、幼童及婴儿4种呼吸模式,测定痰热清吸入溶液中3种代表性成分的递送速率及递送总量。
To investigate the effect of different angles of atomizer on the delivery rates and total delivery quantities of Tanreqing inhalation solution, so as to provide reference for the clinical use of this preparation.
Method
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Taking baicalin, ursodeoxycholic acid, caffeic acid as indexes, PARI Boy SX compression atomization inhaler (equipped with red core atomizing cup) and BRS2000 respiratory simulator were used, the effects of different angles of the atomizer (upper 15 degree, lower 15 degree, upper 30 degree, lower 30 degree, partial 15 degree, partial 30 degree, vertical) on the delivery rates and total delivery quantities of Tanreqing inhalation solution were investigated. The respiratory patterns of adults, children, infants and young children were selected to determine the delivery rates and total delivery quantities of three components in Tanreqing inhalation solution.
Result
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In the same atomization time, the delivery rates and the total delivery quantities of caffeic acid and ursodeoxycholic acid in Tanreqing inhalation solution were not significantly affected by the atomizer from different angles, but significantly affected baicalin. At the vertical angle, the delivery rate and total delivery quantity of baicalin were higher than the other angles. Under different respiratory modes, there were significant differences in the delivery rates and total delivery quantities of these three components in the inhalation solution. Compared with other respiratory modes, the delivery rates and total delivery quantities of baicalin, ursodeoxycholic acid and caffeic acid were the highest in the adult respiratory mode, with delivery rates of (555.5±16.61), (226.3±6.54), (26.1±0.32) μg·min
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and total delivery quantities of (4 001.1±82.97), (1 754.9±63.73), (167.6±1.42) μg, respectively.
Conclusion
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The use angle of atomizer has a certain effect on the delivery rate and total delivery quantity of Tanreqing inhalation solution, so it is suggested that the vertical angle should be kept as far as possible in clinical use. Under the four respiratory patterns, the delivery rate and total delivery quantity of Tanreqing inhalation solution are different, suggesting that the atomization dose or atomization time should be adjusted according to the respiratory characteristics of the patients to ensure the safety and effectiveness of clinical medication.
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