The disaccharide known as milk sugar is lactose.
Explanation:
- Lactose is the primary sugar found in milk and dairy products.
- It is composed of glucose and galactose.
Sources of Lactose:
- Milk (cow, goat, human)
- Dairy products like curd, cheese, and yogurt (in varying amounts)
Digestion:
- Broken down by the enzyme lactase in the small intestine
- People lacking lactase may develop lactose intolerance
Key Features:
- Less sweet compared to sucrose
- Important energy source, especially for infants
Conclusion:
Lactose is called milk sugar because it is the main disaccharide present in milk and dairy products.