
Concept explainers
a.
To determine:
If carrageenan, a seaweed extract containing up to 25,000 carbohydrate units, is classified as a monosaccharide, disaccharide, oligosaccharide or polysaccharide.
Introduction:
Carbohydrates are the sugars which provide energy. The body uses carbohydrates in the simple as well as in the complex form. The simplest forms of carbohydrates are monosaccharides. Disaccharides are the form of carbohydrates which are made up of two monosaccharide units. Polysaccharides consist of more than 10 monomer units of monosaccharides and forms a large molecule.
a.

Explanation of Solution
Carrageenan is a type of polysaccharide and it is extracted from the seaweeds. Carrageenan is used in food products to make them thicker and emulsify them. This property makes it useful in the food industries. Carrageenan has zero nutrition value. As it consists of carbohydrate units up to 25,000, it is classified as the polysaccharide. It is also used in coconut and almond oils.
b.
To determine:
Levans, soluble fiber containing three to six carbohydrate units is classified as a monosaccharide, disaccharide, oligosaccharide or polysaccharide.
Introduction:
Carbohydrates are the sugars which provide energy. The body uses carbohydrates in the simple as well as in the complex form. The simplest forms of carbohydrates are monosaccharides. Disaccharides are the form of carbohydrates which are made up of two monosaccharide units. Polysaccharides consist of more than 10 monomer units of monosaccharides and forms a large molecule.
b.

Explanation of Solution
Levans consist of fructose as the monomer units and forms a non-structural carbohydrate. It is a type of
Since the soluble fiber of levan contains 3 to 6 carbohydrate units, it is an oligosaccharide here. Oligosaccharides are carbohydrates containing 3 to 9 monomer units.
c.
To determine:
Maltose, containing two glucose units is classified as a monosaccharide, disaccharide, oligosaccharide or polysaccharide
Introduction:
Carbohydrates are the sugars which provide energy. The body uses carbohydrates in the simple as well as in the complex form. The simplest forms of carbohydrates are monosaccharides. Disaccharides are the form of carbohydrates which are made up of two monosaccharide units. Polysaccharides consist of more than 10 monomer units of monosaccharides and forms a large molecule.
c.

Explanation of Solution
Maltose is composed of two glucose units, therefore it is a disaccharide. It is a type of reducing sugar mainly used in syrups and is present in germinating grain.
The partial hydrolysis of starch forms the maltose. This property of maltose is helpful in digestion.
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Chapter 6 Solutions
EBK LABORATORY MANUAL FOR GENERAL, ORGA
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