Research Article

Optimization of the Purifying Process for Columbianetin-β-D-Glucopyranoside from Angelicae Pubescentis Radix and Evaluation of Its Analgesic Activity Using Hot Plate Test

Figure 5

(a) Adsorption isotherms. (b) Langmuir model. (c) Freundlich model. (d) Plot of lnK versus 1/T for the estimation of thermodynamic parameters of CBG on GDX-201 resin at different temperature.
(a)
(b)
(c)
(d)