Q:

Is raffinose a reducing sugar?

A:

Quick Answer

Raffinose is not a reducing sugar because it does not have an aldehyde group available in an open-chain formation, and it can't form one in solution. A free aldehyde group is what allows a sugar to act as a reducing agent by donating an electron in a redox chemical reaction.

Continue Reading

Full Answer

Raffinose is a closed-chain trisaccharide made of glucose, galactose and fructose. It is found widely throughout the plant kingdom, and it ranks second to sucrose in abundance as a soluble carbohydrate. Humans do not have the enzyme to break down raffinose, and therefore, it passes through the stomach and upper intestine undigested.

Learn more about Food Facts

Related Questions

Explore