Research Article

Lactose Hydrolysis in Milk and Dairy Whey Using Microbial β-Galactosidases

Table 1

Efficiency of milk lactose hydrolysis using A. oryzae and K. lactis β-galactosidases in 3, 6, and 9 U/mL concentrations and 2 h of reaction.

Enzyme conc. (U/mL)Aspergillus oryzaeKluyveromyces lactis
10°C 55°C 10°C 37°C
(g/L) (%) (g/L) (%) (g/L) (%) (g/L) (%)

31.043.962.9811.3212.8848.9418.8771.70
63.4513.128.2131.2018.0868.7019.1572.78
93.0211.488.0830.7018.0568.6019.4373.84

Means with different superscripts in the same column are significantly different, according to Tukey test ().