Food_Allergies___Intolerances._09

Food_Allergies___Intolerances._09 - FS 150 Food Allergens...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
FS 150 FS 150 Food Allergens Food Allergens & & Intolerances Intolerances NN, Unit 17 NN, Unit 17
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Public Perception Public Perception Many people think that they are allergic to foods, but they confuse: metabolic food disorders and other non-immunological reactions to foods with true food allergy !
Background image of page 2
What is a Food Allergy? What is a Food Allergy? A food allergy is an immune system response to a protein in a food that the body mistakenly believes is harmful If the immune system is not involved, it is not a true food allergy
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What is Food Intolerance? What is Food Intolerance? An adverse reaction to a normally harmless substance in food that does NOT involve the body’s immune system
Background image of page 4
Immunoglobulin E Immunoglobulin E One of five classes of immunoglobulins (antibodies) made by the body to protect the host against invading allergens Plays a key role in food allergies
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Adverse Reactions to Foods Adverse Reactions Immunological (Hypersensitives) Non-Immunological (Intolerances) Microbial IgE Mediated Non-IgE Mediated Food Allergy Celiac Disease Toxicological Example: Scombroid Poisoning Metabolic Example: Lactose Intolerance Infections Example: Salmonellosis Toxins Example: Staphylococcal enterotoxins FDA
Background image of page 6
Food Intolerances Food Intolerances Do not involve the immune system Metabolic food disorders Lactose intolerance Idiosyncratic reactions Sulfiting agents (sulfites) Monosodium glutamate (MSG) Food additives (colors)
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Lactose Intolerance Lactose Intolerance Metabolic disorder Associated with a deficiency of the intestinal enzyme, lactase Persons unable to metabolize lactose in dairy products Lactose maldigestion
Background image of page 8
Idiosyncratic Reaction Idiosyncratic Reaction An adverse reaction to a food or food component among certain individuals occurring through unknown mechanisms
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Sulfite Sensitivity Sulfite Sensitivity Used in many foods as a preservative Small amounts can cause a severe
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 33

Food_Allergies___Intolerances._09 - FS 150 Food Allergens...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online