Separation and Purification of Two Flavone Glucuronides from Erigeron multiradiatus (Lindl.) Benth with Macroporous Resins

Table 1

Physical properties of the macroporous resins used.

Name	Particle diameter (mm)	Surface area (m^2/g)	Average pore diameter (nm)	Polarity
AB-8	0.3–1.25	480–520	130–140	Weak -polar
HPD100	0.3–1.2	650–700	85–90	Nonpolar
HPD450	0.25–0.84	500–550	90–110	Mid-polar
HPD600	0.3–1.2	550–600	75–110	Polar
D100	0.315–0.9	500–600	100–150	Nonpolar
D101	0.25–0.84	500–550	90–100	Nonpolar
D141	0.315–0.9	500–600	80–110	Weak-polar
D160	0.315–0.9	500–600	100–150	Polar