Methods for Detection of Aflatoxins in Agricultural Food Crops

Table 1

Comparison of different methods of aflatoxin analysis.

Method	Need for a label	Need for prior sample preparation	LOD	Multiple analysis	Need for skilled operator	Field usage	Reference
TLC densitometer		SPE	1–20 ng/Kg	Yes	Yes	No	[30, 31]
HPTLC		Extraction only	Pictogram	yes	yes	No	[32]
HPLC		IAC or SPE		Yes	Yes	No	[33]
LC-MS/MS		Extraction only	0.8 µg/Kg	Yes	Yes	No	[34]
Fluorometer		IAC	5–5000 µg/Kg	Yes	Yes	No	[35]
FTIR			<10 µg/Kg	Yes	Yes	No	[36]
RIA	Radio isotope	Extraction only	1 µg/Kg	Yes	Yes	No	[37]
ELISA	Enzymes	Extraction only		Yes	Yes	No	[38]
Immunodipstick	Colloidal gold	Extraction only	5 µg/Kg	Yes	Yes	Yes	[39]
QCMs		Extraction only	0.01–10 ng/mL	Yes	Yes	No	[40, 41]
SPR		Extraction only	3.0–98 ng/mL	Yes	Yes	No	[42]
OLWS		Extraction only	0.5–10 ng/mL	Yes	Yes	No	[43]
Electrochemical		Extraction only	2 µg/Kg	Yes	Yes	No	[44]
Electrochemical		Extraction only	1 femtomolar	Yes	Yes	No	[45]