chemical cuisine - UK College of Agriculture

Download Report

Transcript chemical cuisine - UK College of Agriculture

CHEMICAL CUISINE
Dr. Sandra Bastin, RD, LD
University of Kentucky
Cooperative Extension Service
Objectives





Are food additives safe or do they
increase our risk of cancer and other
diseases?
What laws affect food additives?
Who monitors food additives?
Why are food additives used?
Can you identify food additives in food?
Definition of Food Additive
A food additive is any substance used to
provide a technical effect in foods.
Laws Governing Food Additives



The Food & Drug Act of 1906
The Food, Drug & Cosmetic Act
The Delaney Clause


GRAS
Prior Sanctioned Substances
Who Monitors Food Additives?



Food & Drug Administration (FDA)
The Food Safety & Inspection Service
(FSIS)
US Department of Agriculture (USDA)
Why are food additives used?
1.
2.
3.
4.
To maintain or improve nutritional
quality;
To preserve quality and/or freshness;
To assist in processing or preparation;
and
To make food more appealing.
To Maintain or Improve
Nutritional Quality


Enrichment
Fortification
To Preserve Quality
and/or Freshness
Preservatives
 Antioxidants

To Assist in
Processing or Preparation




Anti-Caking Agents
Emulsifiers
Humectants
Leavening Agents



Maturing &
Bleaching Agents
pH Control Agents
Thickeners &
Stabilizers
To Make Food More Appealing




Colors
Flavors
Flavor Enhancers
Sweeteners
Food Additive from A - Z



Those considered safe.
Non toxic but …
May pose risk.
Because an additive is not on the list
is not an indication of
safety or non-safety.
Activity
 Read the
ingredient list on a
food label.
 Can you find the
food additives?
 Do you know
what each food
additive does?
Ingredient List
Crust:
wheat four with malted barley flour, water, partially
hydrogenated vegetable oil (soybean and/or cottonseed oil)
with soy lecithin, artificial flavor and artificial color (beta
carotene), soybean oil, yeast, high fructose corn syrup, salt,
calcium propionate added to retard spoilage of crust, 1-cysteine
monohydrochloride.
Sauce:
tomato puree (water, tomato paste), water green
peppers, salt, lactose and flavoring, modified food starch, sugar,
corn oil, xanthan gum, garlic powder.
Topping:
low moisture part skim mozzarella cheese
(pasteurized milk, cheese cultures, salt, enzymes.
Additives in List






Soy Lecithin = Emulsifier
Beta Carotene - Color
High Fructose Corn Syrup = Flavoring
Calcium Propionate = Preservative
1-cysteine monohydrochloride =
Dough Conditioner
Xanthan Gum = Thickener