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Food Processing and Technology I
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Assignment no. 1
PART 1
# Homework 1: Food deterioration methods

Submitted by:- Submitted to:-
Surjit Kaur Xavier Aguirre Garza
300852404

INTRODUCTION
The spoilage of food is the process in which food deteriorates up to that point in which it is not digestible to eat for humans or its quality of edibility is not good. Organoleptic properties, nutritional value, safety, and aesthetic appeal varies with food deterioration. The food is subjected to physical, chemical, and biological deterioration respectively. Various causes of food deterioration are as follows a) The growth of micro-organisms (bacteria, yeast, and mold etc.) b) Activities of natural food c) By Insects, parasites, and rodents d) Temperature (high or low) e) Dryness or Moisture content f) Air (mostly oxygen) g) Light h) Time (King, 2004)

Furthermore, the major types of food deterioration are:- a) Microbiological spoilage. b) Enzymatic spoilage c) Chemical spoilage d) Fat oxidation e) Environmental spoilage

EXAMPLES OF FOOD SPOILAGE AND FOOD PRODUCTS

TABLE:- It shows various types of foods having spoilage under various conditions

Food preservation involves the a) Use of heat b) Cold c) Drying (water activity) d) Acid (pH) e) Sugar f) Salt g) Smoke h) Chemicals i) Radiation j) Mechanical methods. (Frazier and Westhoff, 2009)

Examples of food deterioration involves:- a) Microorganisms involved in food spoilage b) Common mould on bread c) Canned food spoilage

FOOD SPOILAGE MICRO-ORGANISMS
Spoilage is complex process and huge amount of food is lost due to microbial, chemical and other processes.

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