Determination of Aflatoxin M1 and Chloramphenicol in Milk Based on Background Fluorescence Quenching Immunochromatographic Assay

Table 2

Test stability of the strip for AFM1 and CAP.

Concentration		/ at month 1	/ at month 2	/ at month 3	/ at month 4	/ at month 5	RSD (%)
AFM1	0.00	0.5996	0.5892	0.5930	0.6004	0.5915	0.84
	0.25	0.6594	0.6588	0.6479	0.6581	0.6482	0.89
	0.50	0.7184	0.7091	0.7122	0.7093	0.7159	0.57
	1.00	0.8458	0.8513	0.8475	0.8434	0.8522	0.43
	2.00	0.9416	0.9425	0.9368	0.9570	0.9485	0.82
CAP	0.0	0.6531	0.6508	0.6549	0.6528	0.6545	0.25
	0.1	0.7063	0.7122	0.7051	0.7066	0.7081	0.39
	0.3	0.8054	0.8031	0.8024	0.8105	0.8062	0.40
	0.5	0.8509	0.8473	0.8516	0.8526	0.8479	0.27
	1.0	0.9406	0.9380	0.9415	0.9402	0.9411	0.14

AFM1, aflatoxin M1; CAP, chloramphenicol; RSD, relative standard deviation.