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

Table 2

Adsorption kinetics parameters of CBG on GDX-201 resin at 298 K.

Kinetics model	Parameters	CBG
Pseudo-first-order	Qe (mg·g^−1)	8.7821
	K1 (min^−1)	0.0494
	R^2	0.8931
Pseudo-second-order	Qe (mg·g^−1)	9.3721
	K2 (g·mg^−1·min^−1)	0.0093
	R^2	0.9908
Liquid film diffusion	K3	0.0207
	R^2	0.9878
Intraparticle diffusion (10–360 min)	I (mg·g^−1)	5.2058
	Ki (mg·g^−1·min^−0.5)	0.2562
	R^2	0.7631
Intraparticle diffusion (10–30 min)	I (mg·g^−1)	1.4153
	Ki (mg·g^−1·min^−0.5)	0.9659
	R^2	0.9988
Intraparticle diffusion (40–120 min)	I (mg·g^−1)	4.6772
	Ki (mg·g^−1·min^−0.5)	0.3863
	R^2	0.9852
Intraparticle diffusion (150–360 min)	I (mg·g^−1)	8.5831
	Ki (mg·g^−1·min^−0.5)	0.0291
	R^2	0.9827