Giant Molecules 2

CHEMISTRY SSS3 First Term

WEEK 10

Giant Molecules 2

Performance objectives

Students should be able to:

1. Explain the hydrolysis of sucrose and starch

Content

Sucrose

Sucrose is common sugar. It is a disaccharide, a molecule composed of two monosaccharides: glucose and fructose. Sucrose is produced naturally in plants, from which table sugar is refined. It has the molecular formula C₁₂H₂₂O₁₁.

Sucrose is a non-reducing disaccharide composed of glucose and fructose linked via their anomeric carbons. It is obtained commercially from sugarcane, sugar beet (beta vulgaris), and other plants and used extensively as a food and a sweetener. Sucrose is derived by crushing and extraction of sugarcane (Saccharum officinarum) with water or…