Table 3.

Intra- and interday precision and accuracy data of GlcNAc and GalNAc determination (n = 5 independent replicates).

Compound	FCa	Intraday			Interday
		MACb	RSDc	ACd	MACb	RSDc	ACd
GlcNAc	25	24.11	1.2	96.4	25.10	1.7	100.4
	75	75.10	0.4	100.1	74.49	1.6	99.3
	120	121.78	0.7	101.5	121.68	1.0	101.4
	150	158.48	0.3	105.7	153.17	1.3	102.1
GalNAc	10	10.31	2.2	103.1	10.37	1.7	103.7
	25	24.55	2.0	98.2	24.91	1.8	99.6
	50	48.54	1.7	97.1	50.13	1.6	100.3
	100	104.07	0.7	104.1	101.95	1.1	101.9

^aFC = fortified concentration (mg/mL).

^bMAC = mean absolute concentration (mg/mL).

^cRSD = relative standard deviation (%).

^dAC = accuracy of GlcNAc and GalNAc (%).