Determination of 4-Methylimidazole in Ammonia Caramel Using Gas Chromatography–Tandem Mass Spectrometry (GC-MS/MS)

Table 2

The content of 4-MeI in 7 different ammonia caramel samples produced in pilot scale.

Sample Number	Mean value [mg kg^−1]	SD	RSD [%]
1	11.1	1.56	14.0
2	6.47	0.34	5.25
3	13.4	0.44	3.39
4	8.34	0.89	10.7
5	12.3	1.51	12.3
6	10.4	1.10	10.6
7	10.4	1.61	15.6

SD: standard deviation; RSD: coefficient of variation.