CAJ | 학술논문

为比较板蓝根氯仿提取物（Ⅰ）及其四个不同极性组份（Ⅱ，Ⅲ，Ⅳ，Ⅴ）对内毒素致小鼠死亡率的影响。以尾静脉注射卡介苗（BCG）增敏，将增敏后小鼠分别用100 g/L样品液0.4 ml灌胃。 1.5 h后尾静脉注射内毒素（2.42 mg/kg），同时设内毒素对照组和空白对照组，观察其死亡结果。内毒素对照组小鼠死亡率为70%，Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ组小鼠死亡率分别为30%、50%、20%、50%、60%，其中，Ⅰ、Ⅲ组结果与内毒素组比有显著差异（P<0.05）。认为第Ⅲ组能明显拮抗内毒素毒性，延长小鼠生存时间，提高小鼠存活率，与其他组份相比，效果最佳，第Ⅲ组为板蓝根抗内毒素活性物质组。
위비교판람근록방제취물（Ⅰ）급기사개불동겁성조빈（Ⅱ，Ⅲ，Ⅳ，Ⅴ）대내독소치소서사망솔적영향。이미정맥주사잡개묘（BCG）증민，장증민후소서분별용100 g/L양품액0.4 ml관위。 1.5 h후미정맥주사내독소（2.42 mg/kg），동시설내독소대조조화공백대조조，관찰기사망결과。내독소대조조소서사망솔위70%，Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ조소서사망솔분별위30%、50%、20%、50%、60%，기중，Ⅰ、Ⅲ조결과여내독소조비유현저차이（P<0.05）。인위제Ⅲ조능명현길항내독소독성，연장소서생존시간，제고소서존활솔，여기타조빈상비，효과최가，제Ⅲ조위판람근항내독소활성물질조。
To compare the protective effects of chlorform extact (I) and its four polar fractions (Ⅱ，Ⅲ，Ⅳ，Ⅴ) from Radix Isatids on endotoxin (LPS) challenged mice，the mice were primed with BCG by injection via tail vein and were given 100 g/L drugs solution by PO after 10 days. 1.5 h later，2.42 mg/kg LPS was given to the mice through a tail vein. At the same time，the endotoxin challenged control group and blank control group were established. The mortality and the protective effects were observed. The mortality of the mice in the endotoxin challenged control group was 70 %，while the mortality of the mice in the Ⅰ,Ⅱ，Ⅲ，Ⅳ and Ⅴ groups was 30 %，50 %，20 %，50 % and 60 % respectively，with the difference being significant between groups Ⅰ or Ⅲ and endotoxin challenged group (P<0.05). It was concluded that Ⅲ could protect BCG-primed mice from LPS-induced lethality and antagonize the action of LPS in vitro in mice. Ⅲ was the anti-endotoxin active material in Radix Isatids.