Table 1.

Summary of the aptamer-affinity columns developed for Ochratoxin A (OTA) purification.

Sorbent	Matrix	Average recovery	Analysis	Reference
Agarose resin	Wheat	Non identified	Fluorescence spectroscopy	[14]
Agarose resin	Wheat	74% to 88%	HPLC-FD	[62]
Agarose resin	Wheat	77%	Time-resolved fluorescence	[63]
Magnetic nanospheres	Cereals and wheat flour	67% to 90%	HPLC-FD	[64]
Cyanogen-bromide activated sepharose	Wine	93%	HPLC-FD	[65]
Cyanogen-bromide activated sepharose	Beer	96%	HPLC-FD	[66]