Purification of Crocin-I from Gardenia Yellow by Macroporous Resin Columns In-Series and Its Antidepressant-Like Effect

Table 1

Physical and chemical properties of the test macroporous resins.

Macroporous resins	Material	Polarity	Pore diameter (nm)	Particle size (mm)	Specific surface area (m^2/g)	Moisture content (%)
XAD 7HP	Acrylate	SP	45	0.56	500	68.34
ADS-17	Acrylic ester	MP	25–30	0.30–1.25	90–120	57.54
XAD-16	Polystyrene	NP	15	0.70	800	67.00
XAD 4	SDVB	NP	30–40	0.4–0.6	750	59.19
XAD 1600N	SDVB	NP	15	0.35–0.45	800	69.47
AB-8-II	Polystyrene	WP	—	—	—	68.06
HP-2MGL	Methacrylate	MP	34	>0.35	470	65.07
HP 21	SDVB	NP	—	>0.25	640	59.52
SP 207	Polystyrene	NP	21	0.25	630	52.68
ADS-7	Amidocyanogen	SP	25–30	0.30–1.25	100–120	68.21
D101	Polystyrene	NP	9-10	0.25–0.84	500–550	70.48
XAD 761	Phenolic	SP	60	0.56–0.76	150	62.88
HP-20	Polystyrene	WP	52	>0.25	600	59.68
XAD 18	SDVB	NP	15	0.38–0.48	800	64.52
SP-825	Polystyrene	WP	11.4	>0.25	1050	59.87
SP 70	SDVB	WP	14	0.50	885	64.25
SP 700	SDVB	NP	8.1	>0.25	1200	71.97

SDVB: styrene divinyl-benzene; SP: strong polar; MP: moderately polar; WP: weakly polar; NP: nonpolar.