Version 2.78

Descriptions

Lactose is a disaccharide that consists of -D-galactose and -D-glucose molecules bonded through a 1-4 glycosidic linkage. Lactose makes up around 2-8% of the solids in milk. The name comes from the Latin word for milk, plus the -ose ending used to name sugars. Its empirical formula is C12 H22 O11 and its molecular weight is 342.3 gmol. Digestion of lactose:Infant mammals are fed on milk by their mothers. To digest it an enzyme called lactase (1-4 disaccharidase) is secreted by the intestinal villi, and this enzyme cleaves the molecule into its two subunits for absorption. Since lactose occurs mostly in milk, in most species the production of lactase gradually ceases with maturity, and they are then unable to metabolise lactose. This loss of lactase on maturation is also the default pattern in most adult humans. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See http://creativecommons.org/licenses/by-sa/3.0/ for details. Source: Wikipedia, Lactose (Wikipedia)

A disaccharide of GLUCOSE and GALACTOSE in human and cow milk. It is used in pharmacy for tablets, in medicine as a nutrient, and in industry. Source: National Library of Medicine, MeSH 2006

Basic Part Properties

Part Display Name
Lactose
Part Type
Component (Describes the core component or analyte measured)
Created On
2000-05-04
Construct for LOINC Short Name
Lactose

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
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Language Variants Get Info

Tag Language Translation
zh-CN Chinese (China) 乳糖
fr-CA French (Canada) Lactose
et-EE Estonian (Estonia) Laktoos
es-ES Spanish (Spain) Lactosa
it-IT Italian (Italy) Lattosio
tr-TR Turkish (Turkey) Laktoz
ru-RU Russian (Russian Federation) Лактоза
nl-NL Dutch (Netherlands) lactose
fr-BE French (Belgium) Lactose