Sample Sigma® [g L-1] UCS [g L-1] Theoretical Real Theoretical Real 1 2 3 4 5 6 7 8 1.065 0.979 1.035 1.160 1.065 1.060 0.965 1.069 1.075 1.083 0.955 1.074 0.950 0.969 0.930 1.050 0.870 0.862 1.115 1.252 0.970 0.990 0.890 1.001 0.980 0.995 1.088 1.113 0.916 0.947 1.028 1.171 Mean 0.986 0.986 1.001 1.111 SD 0.076 0.068 0.078 0.080 KS p = 0.964 p = 0.088 SD: Standard deviation. KS: Kolmogorov-Smirnov test

Table 1: Comparison of the theoretical and real purity values of lactobionic acid salts by high performance liquid chromatography (HPLC) analysis.