week four- unit operations

Question 1

List the aims of food processing

Answer 1

Extend shelf-life
increase variety in the diet
Provide nutrient required for health
generate income for the economy

Question 2

Define unit operations and describe various types of unit operations and their function in the enhancement of the food product.

Answer 2

Preliminary operations: material handling/ transfer, and preparation

conversion operations: peeling, size reduction, mixing, heat exchange, shaping or forming, fermentation, crystallisation.