Table 2.

Mean recoveries of ustiloxin B from spiked rice grain samples detected by icELISA.

Spiked Content of Ustiloxin B (ng/g)	Detected Content of Ustiloxin B (ng/g)	Mean Recovery of Ustiloxin B (%)
0	-	-
100	103 ± 3	103.5 ± 3.4
250	252 ± 8	100.8 ± 3.2
500	506 ± 24	101.2 ± 4.8
1000	926 ± 24	92.6 ± 2.4
2000	1984 ± 35	99.2 ± 1.8
4000	3947 ± 58	98.7 ± 1.5
5000	4906 ± 72	98.1 ± 1.4

Note: Recoveries were determined after subtraction of the background content of ustiloxin B. The spiked concentrations of ustiloxin B in diluted (50-fold) solutions were 0, 2, 5, 10, 20, 40, 80 and 100 ng/mL. The detected concentrations of ustiloxin B in diluted (50 folds) solutions were 2.07, 5.04, 10.12, 18.52, 39.68, 78.94 and 98.12 ng/mL. Data represent the means of triplicate ± standard deviations.