Economical aspects of sugar. The structure of sucrose in the crystal and in solution. Sucrose crystalization. Amorphous sugar. Sucrose solubility. Theological properties of sucrose solutions and suspensions. Analysis of sucrose solutions. Physical properties. Technological value of sucrose in food products. Role of sucrose in retention of aroma and enhancing the flavor of foods. Sucrose: its potential as a raw material for food ingredints and for chemicals. sucrose and osmotic dehydration.