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

Figure 1

The HPLC profiles of ephedrine in standard solution (a) and typical extracts containing Ma Huang (b). A: (−)-ephedrine.
(a)
(b)