Zhang Xiu-ming, Luo Jia-bo
School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China.
Nan Fang Yi Ke Da Xue Xue Bao. 2010 Jan;30(1):121-2.
To observe the effects of Herba ephedrae, honey-fried Herba ephedrae and Maxingshigan decoction on pentobabital sodium sleep experiment in mice.
Male Kunming mice were divided into 11 groups, namely normal saline (NS) group, ephedrine group, 3 Herba ephedrae dose (high, medium, and low) groups, 3 honey-fried Herba ephedrae dose group, and 3 Maxingshigan decoction dose groups. The corresponding drugs were administered intragastrically for 6 consecutive days, and 45 min after the final administration, the mice received intraperitoneal injection of pentobabital sodium, and the latent period and continuous sleeping time were recorded.
Compared with high- and low-dose Herba ephedrae groups, Maxinshigan decoction containing equivalent Herba ephedrae significantly increased the sleeping time of the mice (P<0.05). In comparison with NS, the decoction at medium and low doses produced no significant changes in the sleeping time, which, however, was significantly shortened in the other 8 groups (P<0.05). Compared with Herba ephedrae, Maxingshigan decoction and honey-fried Herba ephedrae at equivalent doses showed comparable effects on the sleep latency (P>0.05).
Under the condition of this experiment and with pentobabital sodium-induced sleeping time as the index, honey-fried Herba ephedrae shows no obvious effect in reducing the excitement of the central nervous system, while Maxingshigan decoction can significantly lower the excitement level, the effect of which is inversely correlated to the dose administered.
观察麻黄、蜜麻黄及麻杏石甘汤对小鼠戊巴比妥钠睡眠实验的影响。
雄性昆明小鼠分为11组,即生理盐水(NS)组、麻黄碱组、3个麻黄剂量(高、中、低)组、3个蜜麻黄剂量组和3个麻杏石甘汤剂量组。连续6天灌胃给予相应药物,末次给药45分钟后,小鼠腹腔注射戊巴比妥钠,记录潜伏期和持续睡眠时间。
与高、低剂量麻黄组相比,含等量麻黄的麻杏石甘汤显著延长小鼠睡眠时间(P<0.05)。与NS组相比,中、低剂量麻杏石甘汤对睡眠时间无显著影响,但其他8组睡眠时间显著缩短(P<0.05)。与麻黄相比,等量的麻杏石甘汤和蜜麻黄对睡眠潜伏期的影响相当(P>0.05)。
在本实验条件下,以戊巴比妥钠诱导的睡眠时间为指标,蜜麻黄在降低中枢神经系统兴奋性方面无明显作用,而麻杏石甘汤可显著降低兴奋水平,其作用与给药剂量呈负相关。