Evaluation and Assessment of Aflatoxin M1 in Milk and Milk Products in Yemen Using High-Performance Liquid Chromatography

Table 2

AFM1 in different types of milk products determined by HPLC.

Milk products	Number of samples	Contaminated samples		Exceeding EC regulations >0.05 (μg/L)
		No.	(%)	No.	(%)	Range	Average	SD^a
Liquid milk	38	26	68.42	14	36.84	0.065–0.418	0.183	0.144
Powder milk	60	40	66.66	26	43.33	0.051–2.89	0.635	0.952
Yogurt	62	54	87.09	52	83.87	0.053–.893	0.399	0.310
Cheese	90	74	82.22	38	42.2	0.255–5.955	1.198	0.114
Total	250	190	76	130	52	0.051–5.955	0.604	0.380

^aSD = standard deviation.