Simultaneous Determination of Lactulose and Lactose in Conserved Milk by HPLC-RID

Table 2

Concentrations of lactose and lactulose found in five different commercial brands of condensed milk.

Brand codification	Concentration in condensed milk (g/100 mL)
	Lactose	Lactulose
COND1	13.86 ± 1.15	43.56 ± 3.28
COND2	10.63 ± 0.22	44.31 ± 1.75
COND3	9.96 ± 0.01	48.97 ± 1.22
COND4	13.60 ± 0.56	44.62 ± 1.18
COND5	12.36 ± 0.03	43.72 ± 0.02

COND: condensed milk brand.
Values with the same letter in the column indicate that there is no statistically significant difference between the samples to the level of 5%.
Values represent the mean ± SEM.