Food Additives : Food Additives Integrated Science II Why do we use additives more now than we did in the past? : Why do we use additives more now than we did in the past? The public has come to expect food from farmers, processors, truckers and retailers to be wholesome and free from microbes, toxins, pesticides and drug residues. : The public has come to expect food from farmers, processors, truckers and retailers to be wholesome and free from microbes, toxins, pesticides and drug residues. Wholesome : Wholesome High in nutritional value
Long shelf life
Sensory pleasing Conditions that affect Wholesome : Conditions that affect Wholesome Temperature
Preservation techniques Definition : Definition Food Additives are any substances that become part of a food product.
Food Additives can be intentional or unintentional. Intentional additives: : Intentional additives: Enrichment – restore lost nutrients to food
Fortification – increase nutritional value of food Unintentional Additives: : Unintentional Additives: Insecticides
Plant Growth Regulators
Hormones and Antibiotics Functions/Purposes: : Functions/Purposes: Prolong shelf life
Improve nutritional value Functions/Purposes: cont. : Functions/Purposes: cont. Compensate for vitamin and mineral deficiencies
Facilitate food processing Delaney Clause, 1958 : Delaney Clause, 1958 No substance known to cause cancer in animals or humans at any dose level shall be purposefully added to food. Improper Uses : Improper Uses To disguise faulty or inferior products
To deceive consumers
To destroy nutritional value Improper Uses : Improper Uses To produce effects that can otherwise be achieved safely Government Agencies : Government Agencies United States Department of Agriculture – assess food safety
United States Food and Drug Administration – approve food crops Food additives : Food additives Benefits, risk and types. Benefits : Benefits Reduce food spoilage
Maintain nutrient quality
Lower food costs
Reduce occurrence of disease Risks : Risks Cancer, birth defects, allergies, and health problems can result.
Oil is soluble in body fat.
The cost of food production increases for farmers. Types of Additives : Types of Additives Antioxidants
Prevent fats and oils from spoiling
Improve color of processed foods Types of Additives : Types of Additives Emulsifiers/Stabilizers
Prevent mixed foods from separating
Prevent the growth of spoilage organisms Types of Additives : Types of Additives Sweeteners/Flavor Enhancers
Bring out the taste of foods