Biothermodynamic Assay of Coptis-Evodia Herb Couples

Figure 10

Chromatogram of coptis, evodia, and mixed standard solution. (a): coptis; (b): evodia; (c): mixed standard solution. 11—hydroevodiamine; 15—epiberberine; 16—jatrorrhizine; 17—coptisine; 19—palmatine; 20—berberine; 22—evodiamine; 23—rutaecarpine; 1–10, 12–14, 18, and 21—other unknown materials.

(a)

(b)

(c)