Microwave-Assisted Method for Simultaneous Hydrolysis and Extraction for Preparation of Geniposidic Acid from Eucommia ulmoides Bark Using Basic Imidazolide Ionic Liquid

Table 2

Adsorbing capacity and desorption ratio of the test macroporous resins.

Trade name	Polarity	Surface area (m^2/g)	Moisture contents (%)	Adsorbing capacity (μmol/g)	Desorption ratio (%)
HPD80	Nonpolar	350–400	67.97	0.82	93.25
HPD100B	Nonpolar	500–580	66.89	0.93	89.57
D101	Weak-polar	400–600	66.76	1.18	56.36
HPD722	Weak-polar	485–530	73.55	1.33	48.96
DM130	Middle-polar	500–550	64.32	1.98	91.23
HPD400A	Middle-polar	500–550	65.99	2.09	78.36
HPD600	Polar	550–600	58.97	1.46	65.12
HPD500	Polar	500–550	65.63	1.25	71.53