presented by shahla Abid

1. Food Additives
presented by
shahla Abid

2. Food
Additives
Definition:
 Substances that become part of
food product when added during
the processing and making of that
food.
Types of Food Preservatives
Natural Food Additives:
 Herbs or spices to add flavors
 Salt
 Vitamin C
 Chlorophyll
 Beta Carotene
 Antioxidants

3. Food Additives
Artificial Food Additives:
Anti- Caking Agents: stop ingredients from
sticking together.
Antioxidants: Slow or prevent oxidative
deterioration of foods.
Artificial Sweeteners: Increase sweetness
in food without adding kilojouls.
Bulking Agents: Increase volume of food
without majorly changing its available
energy.

4. Food Additives
Colors: Add color to food.
Emulsifiers: Prevent oil and water from
separating, as well as keep fats from clumping
together.
Stabilizers: Maintain even dispersion of
substances in the food.
Flavourants: Improve flavor and aroma of food.
Food Acids: Slow growth of other organisms.
Foaming Agents: Maintain even dispersion of gas
in in aerated foods.

5. Food Additives
Gelling Agents: Change texture of food
through gel formation.
Glazing Agents: Improve appearance of
food by imparting coating on the
surface. Protective also.
Mineral Salt: Enhance texture and flavour.
Preservatives: Slow or prevent
deterioration of and food spoilage.
Propellants: Help propel food out of
container.

6. Food Additives
Raising Agents: Increase the volume of food by releasing
gases.
Functions:
 Improve texture.
 Impart flavor.
 Prevent food spoilage.
 Provide color.
 Preserve nutrient value.
 Improve appearance.
 Improve nutrient value.

7. Food Additives
Side Effects:
Antioxidants: Butylated hydroxyanisole is
carcinogenic.
Artificial Sweeteners: Saccharin cause cancer.
Colors: Combination of food colors and
preservatives (Sodium benzoate) cause allergic
reactions.
Flavor Enhancers: Monosodium glutamate cause
Asthma, drowsiness.

8. Food Additives
Preservatives: Used in soft drinks and
meat, are carcinogenic.
Thickeners: Carrageenan, used in
yougrt, ice cream and other dairy
products has been linked to cancer.