Food Additives

 

Definition
A substance added to food to preserve or enhance the taste and appearance of the food

 

Types and functions of food additives

 

Food additive

Function

Example

Preservatives

Slow down or inhibit the food from being rot

  • Sodium nitrite
  • Sodium benzoate

 

Antioxidant

Slows down the oxidation by oxygen in the air

Ascorbic acid

Flavouring

Improve the taste or smell of the food

  • Monosodium glutamate (MSG)
  • Aspartame

Stabiliser and thickening agent  

To give a smooth and uniform texture to the food

  • Gelatine
  • Acacia gum

Colouring

Replace the faded colour of food or colours the food to improve the appearance and taste of food

  • Azo compound
  • Triphenyl compound

 

The side effect of food additives

 

Food additive

Side effect due to excessive intake

Preservatives

  • Tiredness
  • Skin itchiness
  • Diarrhoea
  • Food poisoning
  • Cancer

Antioxidant

  • Damage to liver, brain, and kidneys
  • Hair loss

Flavouring

  • Chest pains
  • Nausea
  • Dizziness
  • Headaches
  • Increase in heartbeat rate

Colouring

  • Cancer
  • Asthma
  • Stunted development
  • Skin diseases

Food Additives

 

Definition
A substance added to food to preserve or enhance the taste and appearance of the food

 

Types and functions of food additives

 

Food additive

Function

Example

Preservatives

Slow down or inhibit the food from being rot

  • Sodium nitrite
  • Sodium benzoate

 

Antioxidant

Slows down the oxidation by oxygen in the air

Ascorbic acid

Flavouring

Improve the taste or smell of the food

  • Monosodium glutamate (MSG)
  • Aspartame

Stabiliser and thickening agent  

To give a smooth and uniform texture to the food

  • Gelatine
  • Acacia gum

Colouring

Replace the faded colour of food or colours the food to improve the appearance and taste of food

  • Azo compound
  • Triphenyl compound

 

The side effect of food additives

 

Food additive

Side effect due to excessive intake

Preservatives

  • Tiredness
  • Skin itchiness
  • Diarrhoea
  • Food poisoning
  • Cancer

Antioxidant

  • Damage to liver, brain, and kidneys
  • Hair loss

Flavouring

  • Chest pains
  • Nausea
  • Dizziness
  • Headaches
  • Increase in heartbeat rate

Colouring

  • Cancer
  • Asthma
  • Stunted development
  • Skin diseases