Definitions for lactaseˈlæk teɪs, -ˌteɪz

This page provides all possible meanings and translations of the word lactase

Random House Webster's College Dictionary

lac•taseˈlæk teɪs, -ˌteɪz(n.)

  1. an enzyme capable of breaking down lactose into glucose and galactose.

    Category: Biochemistry

Origin of lactase:

1890–95

Princeton's WordNet

  1. lactase, Lactaid(noun)

    any of a group of enzymes (trade name Lactaid) that hydrolyze lactose to glucose and galactose

Wiktionary

  1. lactase(Noun)

    A u03B2-galactosidase enzyme that is involved in the hydrolysis of the disaccharide lactose into constituent galactose and glucose monomers.

Freebase

  1. Lactase

    Lactase is an enzyme produced in the digestive system of infants and some, mostly European, adult humans. Lactase is essential to the complete digestion of whole milk. Lactase breaks down lactose, a complex sugar which gives milk its sweetness. Lacking lactase, a person consuming dairy products may experience the symptoms of lactose intolerance. Lactase can be purchased as a food supplement, and is added to milk to produce "lactose-free" milk products. Lactase, a part of the β-galactosidase family of enzymes, is a glycoside hydrolase involved in the hydrolysis of the disaccharide lactose into constituent galactose and glucose monomers. Lactase is present predominantly along the brush border membrane of the differentiated enterocytes lining the villi of the small intestine. In humans, lactase is encoded by the LCT gene.

U.S. National Library of Medicine

  1. Lactase

    An enzyme which catalyzes the hydrolysis of LACTOSE to D-GALACTOSE and D-GLUCOSE. Defects in the enzyme cause LACTOSE INTOLERANCE.

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