| 释义 |
Definition of lactase in English: lactasenoun ˈlakteɪzˈlækteɪs mass nounBiochemistry An enzyme which catalyses the hydrolysis of lactose to glucose and galactose. Example sentencesExamples - While most people can digest lactose with no difficulty, some have trouble because they do not produce the enzyme lactase, which splits lactose into digestible parts.
- The enzyme lactase breaks down the lactose to galactose and glucose.
- Lactose, the sugar present in milk, is split in the small intestine by the enzyme lactase into its constituent glucose and galactose molecules, allowing absorption of the glucose.
- Many people take extra doses of naturally produced enzymes, such as lactase, pepsin and trypsin, in supplement form.
- The role of lactase is to hydrolyze lactose into galactose.
Origin Late 19th century: from lactose + -ase. Definition of lactase in US English: lactasenounˈlaktāsˈlækteɪs Biochemistry An enzyme that catalyzes the hydrolysis of lactose to glucose and galactose. Example sentencesExamples - Lactose, the sugar present in milk, is split in the small intestine by the enzyme lactase into its constituent glucose and galactose molecules, allowing absorption of the glucose.
- While most people can digest lactose with no difficulty, some have trouble because they do not produce the enzyme lactase, which splits lactose into digestible parts.
- The enzyme lactase breaks down the lactose to galactose and glucose.
- The role of lactase is to hydrolyze lactose into galactose.
- Many people take extra doses of naturally produced enzymes, such as lactase, pepsin and trypsin, in supplement form.
Origin Late 19th century: from lactose + -ase. |