Research Article

Neuroprotective Effect of Gui Zhi (Ramulus Cinnamomi) on Ma Huang- (Herb Ephedra-) Induced Toxicity in Rats Treated with a Ma Huang-Gui Zhi Herb Pair

Table 1

Ma Huang or Ma Huang-Gui Zhi herb pair extracts and the adjusted concentration.

SampleCompositionEphedrine (mg/mL)Ephedra (g/mL)

EMa Huang4.81.50
W13 : 1 (Ma Huang-Gui Zhi)4.81.58
W23 : 2 (Ma Huang-Gui Zhi)4.81.85
W33 : 4 (Ma Huang-Gui Zhi)4.82.32