Lactose Meaning: Definition, Examples, and Translations
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lactose
[ˈlæk.toʊs ]
Definitions
Context #1 | Noun
food intolerance
A sugar present in milk. Some people are unable to digest lactose, leading to symptoms such as bloating, gas, and diarrhea.
Examples of usage
- Lactose intolerant individuals lack the enzyme needed to break down lactose.
- Many dairy products now come in lactose-free versions to accommodate those with lactose intolerance.
Context #2 | Noun
chemistry
A disaccharide sugar composed of galactose and glucose, found in milk.
Examples of usage
- Lactose is the primary carbohydrate in mammalian milk.
- The lactose molecule consists of a glucose molecule and a galactose molecule linked together.
Translations
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Interesting Facts
Health
- Many people around the world cannot digest lactose well, a condition known as lactose intolerance.
- Symptoms of lactose intolerance can include tummy aches and bloating after consuming dairy products.
Science
- Lactose is made up of two simpler sugars, glucose and galactose.
- Some organisms, like certain bacteria, can break down lactose and use it for energy.
Pop Culture
- Lactose-free products have become very popular, allowing those with lactose intolerance to enjoy dairy without discomfort.
- Popular milk alternatives, such as almond or oat milk, cater to those avoiding lactose.
Cooking
- In baking, lactose can contribute to browning and flavor, especially in recipes using milk or dairy.
- Lactose plays a role in fermentation, which helps make products like yogurt and cheese.
Origin of 'lactose'
Main points about word origin
- The word comes from the Latin 'lac', which means 'milk'.
- It was first identified in 1780 by the scientist Carl Wilhelm Scheele.
The word 'lactose' originated in the early 19th century from the Latin word 'lac' meaning milk and the suffix '-ose' indicating a sugar. Lactose is a natural sugar found in milk and dairy products, essential for the growth and development of young mammals. The concept of lactose intolerance arose due to the inability of some individuals to digest lactose properly, leading to various digestive issues.