KCSE ONLINE

Esoma Online Revision Resources

Order this CD Today to Experience the Full Multimedia State of the Art Technology!

Food Hygiene

Food Spoilage and Food Poisoning

INTRODUCTION

  • Food spoilage is the deterioration of food, making it unfit for human consumption.
  • Food poisoning is the illness caused by eating contaminated food.

Objectives
By the end of the lesson you should be able to:


  • Explain causes and prevention of food spoilage and food poisoning.

  • Identify signs and symptoms of food poisoning.

Causes of Food Poisoning

  • Chemical Contamination
  • Bacterial Contamination
  • Natural Poisoning

Chemical Contamination

photo
Pesticides

Bacterial Contamination

photo
Using chopping board to chop meat
then:

photo

The same chopping board is used to chop fruits before cleaning

Natural Poisoning


Poorly stored maize

Maize with aflatoxins


Causes of Food Spoilage


1. Poor storage of foods


2. Chemicals present in food containers wrappers and packets


3. Keeping food for too long until it rots, wilts or withers.


1. Poor storage of foods

  • Cover cooked foods to keep off bacteria, pests and pets.
  • Milk should not be stored together with strong smelling foods as it absorbs their smell.

Chemicals in Food


Canned Meat


Chocolate wrapper

Prolonged Storage


Mould Bread


Rotten Meat

Food poisoning and food spoilage can be prevented by:


1. Storing harmful chemicals such as kerosene, detergents away from food.


2. Thoroughly drying grains before storage and then storing them in a clean dry and well ventilated grain store.


3. Not buying foods that have expired or are about to expire.


4. Washing hands, preparing, cooking and serving food in a clean environment.



5. Washing fruits and vegetables before using them.


Signs and Symptoms of Food Poisoning

The signs and symptoms of food poisoning are:

  • Violent vomiting
  • High fever
  • Severe abdominal pain
  • Dizziness
  • Diarrhoea
  • General body weakness
  • Shivering


Order this CD Today to Experience the Full Multimedia State of the Art Technology!

For Best results INSTALL Adobe Flash Player Version 16 to play the interactive content in your computer. Test the Sample e-Content link below to find out if you have Adobe Flash in your computer.

Sample Coursework e-Content CD

Other Goodies for KCSE ONLINE Members!

Coursework e-Content CD covers all the topics for a particular class per year and costs 1200/- ( Per Subject per Class ).

Purchase Online and have the CD sent to your nearest Parcel Service. Pay the amount to Patrick 0721806317 by M-PESA then provide your address for delivery of the Parcel. Alternatively, you can use BUY GOODS TILL NUMBER 827208 Ask for clarification if you get stuck.

Install ADOBE Flash Player for Best Results

For Best results INSTALL Adobe Flash Player Version 16 to play the interactive content in your computer. Test the link below to find out if you have Adobe Flash in your computer.

Search

Subject Menu