Milk And Its Sugar-Lactose

Milk And Its Sugar-Lactose

Question 1. What is milk sugar? Mention its composition.
Answer:

• Lactose is the milk sugar.

Composition:

• Lactose consists of p-D-galactose and p-D glucose which are held together by a p (1→ 4) glycosidic bond.

“Understanding milk and lactose through FAQs: Composition, functions, and uses explained”

Question 2. Mutarotation.
Answer:

Definition:

• It is defined as the change in the specific optical rotation representing the interconversion of a and p forms of D-glucose to an equilibrium mixture.

Equilibrium mixture contains.

“Importance of studying milk and lactose for nutrition students: Questions explained”

1. 63% – P anomer
2. 36% – a – anomer
3. 1 % – open-chain form.

Question 3. Heparin. (or) Glycogen – structure and function/structure of animal starch.
Answer:

• It is one of the important mucopolysaccharides present in the body.

Composition:

It is composed of alternating units of N – sulfo – D – glucosamine 6-sulfate and glucuronate 2 – sulfate.

“Factors influencing success with milk and lactose studies: Q&A”

Functions:

• Acts as anticoagulant.
• Helps in the release of the enzyme lipoprotein lipase which clears the turbidity of Iipemic plasma.