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lactose

lactose

35 3.4
A sugar in milk that is made of two smaller sugars
  • noun
  • /ˈlæktoʊs/
  • Specialized
translation icon : lactosa
  • The digestion of milk requires an enzyme, lactase, to digest the milk sugar lactose.
  • lactose intolerance
  • lactose-free
  • lactose intolerant

It also turns out, of course, that milk and cream have lactose, a sugar in them.

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Examples

  • The majority of children were eating dairy products, although a few families reported that children were lactose intolerant.

    Academic text (2006)
  • It also turns out, of course, that milk and cream have lactose, a sugar in them.

  • But it's high in lactose and it's high in in fat, which is what milk is.

  • Again, the lactose in these things are going to spike your blood sugar sky high.

  • However, in many Asian and African populations lacking a long history of dairy farming, lactose intolerance is common.

    Academic text (2009)
  • Today, consumers have access to lactose-free products like milk, cheese, and ice cream, as well as Lactaid tablets.

    Academic text (2003)
  • Many people who are lactose intolerant experience discomfort after consuming products containing lactose.

  • Cheese can vary in lactose content, with some types being easier to digest than others.

  • The nutrition label clearly states the amount of lactose present in the milk.

Synonyms

milk sugar
vslactose
  • Specialized
1 2.7

A sugar in milk that gives it a slightly sweet taste

is the same chemical but given by a specific scientific name

Compounds

lactose intolerance
  • Specialized
4 3.5

The body cannot digest the sugar in milk, causing stomach pain

How Sweet

fructose
  • Specialized
49 4.1
sucrose
  • Specialized
12 3.2
xylose
  • Specialized
9.9
glucose
75 3.4
lactose
  • Specialized
35 3.4

Surface Forms

lactose singular
lactoses plural

Etymology

Lactose comes from the Latin root lac meaning 'milk' and the chemical ending -ose meaning 'sugar', the same -ose you see in glucose and fructose. So lactose literally means 'milk sugar', which is why it names the sugar found in milk.