lactase definition

  • noun:
    • An enzyme occurring in a few yeasts plus in the intestinal drinks of animals and catalyzing the hydrolysis of lactose into glucose and galactose.
    • A β-galactosidase chemical that is involved in the hydrolysis of disaccharide lactose into constituent galactose and sugar monomers.
    • A ferment which inverts lactose to dextrose and galactose.
    • any one of several enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactose

Related Sources

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  • Hypernym for "lactase"
  • Medical Dictionary for "lactase"
    • Enzyme that stops working the milk…
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