Table 2. Evaluation of cholesterol determination in milk and human serum samples by standard addition method.

Samples	Added (mM )	Found (mM )	Recovery (%)	RSD (%)
Milk sample 1	0	0.071	—	2.5
	0.1	0.162	91.0	2.4
	0.5	0.540	93.8	3.0
Milk sample 2	0	0.062	—	2.0
	0.1	0.156	94.0	3.5
	0.5	0.646	98.0	2.8
Serum sample 1	0	1.850	—	4.3
	5	6.981	102.3	4.5
	10	11.963	101.1	3.2
Serum sample 2	0	1.197	—	3.7
	5	6.390	103.9	4.2
	10	11.120	99.2	4.0

(n = 3).