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Food Hygiene

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.

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

 

 



 Food Hygiene 

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 Food Hygiene  

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KCSE ONLINE WEBSITE provide KCSE, KCPE and MOCK Past Papers which play a great role in students� performance in the KCSE examination.

Choosing the KCSE mock examination revision material saves you a lot of time spent during revision for KCSE. It is also cost effective 

Ask for clarification if in doubt, vitae dignissim est posuere id.

 Food Hygiene 




sit amet congue Mock Past Papers, give you an actual exam situation in readiness for your forthcoming national examination from the Kenya National Examination Council KNEC

Choosing the KCSE mock examination revision material saves you a lot of time spent during revision for KCSE. It is also cost effective sapien. 

Choosing the KCSE mock examination revision material saves you a lot of time spent during revision for KCSE. It is also cost effective sapien. 



 Food Hygiene

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