How long after eating foods do reactions normally occur?

How long after eating foods do reactions normally occur?

Will giving the allergic person an antihistamine help?

Will giving the allergic person an antihistamine help?

What should I do if I think someone’s having an allergic reaction?

What should I do if I think someone’s having an allergic reaction?

What is the treatment for anaphylaxis?

What is the treatment for anaphylaxis?

What is epinephrine?

What is epinephrine?

What are some credible sources of information on food allergies?

What are some credible sources of information on food allergies?

Can kissing someone who has recently ingested the food I’m allergic to cause an allergic reaction?

Can kissing someone who has recently ingested the food I’m allergic to cause an allergic reaction?

Can steam and/or dust produced by an allergen food cause an allergic reaction?

Can steam and/or dust produced by an allergen food cause an allergic reaction?

What can I eat in place of allergen foods? How do I ensure I am eating a balanced diet?

What can I eat in place of allergen foods? How do I ensure I am eating a balanced diet?

If I had a minor allergic reaction to a food once, can I continue eating that food?

If I had a minor allergic reaction to a food once, can I continue eating that food?

If the restaurant can’t provide 100% proof that a meal is free of the allergen, should I eat it?

If the restaurant can’t provide 100% proof that a meal is free of the allergen, should I eat it?

 Do restaurants understand and avoid cross contact?

Do restaurants understand and avoid cross contact?

Besides checking the ingredients, is there anything else I should ask or warn my waiter about?

Besides checking the ingredients, is there anything else I should ask or warn my waiter about?

Who should I talk to and what should I tell them about my food allergy to make sure my needs are addressed?

Who should I talk to and what should I tell them about my food allergy to make sure my needs are addressed?

 What are some effective school food allergy management strategies?

What are some effective school food allergy management strategies?

What can I do to empower my child to avoid allergens in school?

What can I do to empower my child to avoid allergens in school?

What happens if my child has a reaction in school?

What happens if my child has a reaction in school?

Who at school should be aware of and involved in managing my child’s food allergy?

Who at school should be aware of and involved in managing my child’s food allergy?

What is epinephrine?

What is epinephrine?

What is the treatment for anaphylaxis?

What is the treatment for anaphylaxis?

What should I do if I think someone’s having an allergic reaction?

What should I do if I think someone’s having an allergic reaction?

Will giving the allergic person an antihistamine help?

Will giving the allergic person an antihistamine help?

How long after eating foods do reactions normally occur?

How long after eating foods do reactions normally occur?

Should I fry allergen and non-allergen foods in the same cooking oil?

Should I fry allergen and non-allergen foods in the same cooking oil?

Should I use separate cooking utensils and cookware for allergy-free dishes?

Should I use separate cooking utensils and cookware for allergy-free dishes?

What is cross contact?

What is cross contact?

If the statement on the label says a food “may contain” an allergen, or was “manufactured on shared equipment” w

If the statement on the label says a food “may contain” an allergen, or was “manufactured on shared equipment” w

What is the food allergen labeling law?

What is the food allergen labeling law?

How do I find allergens on the food label?

How do I find allergens on the food label?

What are some tips for allergen-free grocery shopping?

What are some tips for allergen-free grocery shopping?

Does having asthma or other allergies worsen the reaction?

Does having asthma or other allergies worsen the reaction?

Do some allergens cause worse reactions than others?

Do some allergens cause worse reactions than others?

Are there other symptoms that serve as signals that someone is about to go into anaphylactic shock?

Are there other symptoms that serve as signals that someone is about to go into anaphylactic shock?

What is anaphylaxis?

What is anaphylaxis?

What are symptoms of food allergy? Food intolerance?

What are symptoms of food allergy? Food intolerance?

How are food allergies diagnosed?

How are food allergies diagnosed?

Can I have an allergy to food colors?

Can I have an allergy to food colors?

Can I have an allergy to MSG?

Can I have an allergy to MSG?

What are some other food allergens?

What are some other food allergens?

What are the “big eight” major food allergies?

What are the “big eight” major food allergies?

What is the difference between food allergy and intolerance?

What is the difference between food allergy and intolerance?

Can food allergies be prevented or is there a cure for food allergies?

Can food allergies be prevented or is there a cure for food allergies?

Who is at a greater risk of developing a food allergy?

Who is at a greater risk of developing a food allergy?

How do I know if I have an allergy?

How do I know if I have an allergy?

What is a food allergy?

What is a food allergy?

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Bob Gravani

Professor of Food Science, Cornell University

Cornell University Department of Food Science  

Dr. Robert Gravani is a Professor of Food Science in the Department of Food Science. He received a BS degree in Food Science from Rutgers University and his MS and PhD degrees in Food Science from Cornell University with minors in microbiology and food marketing/management. He was appointed to the food science faculty in 1978 and currently serves as the Department Extension Leader and Director of the National Good Agricultural Practices Program.

Dr. Gravani's primary responsibilities are in the area of food science/food safety extension and outreach where he maintains a very active program and conducts short courses, seminars, and workshops for food processors, food retailers, the foodservice industry, and government regulatory agencies. He is interested in the microbiological safety and quality of foods and consumer knowledge of these important issues.

How long after eating foods do reactions normally occur?

Dr. Bob Gravani discusses how long after eating foods reactions can normally occur.

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Robert B. Gravani: Hi! My name is Bob Gravani and I am a professor of Food Science at Cornell University, my area of interest is food safety and in recent months we have conducted a survey of severely food allergic consumers to better understand how they manage their food allergies. I would like to talk about now, specific allergic reactions, related to foods.

Host: How long after eating food do reactions normally occur?

Bob B. Gravani: Well food allergic reactions can occur as quickly as a few minutes after eating the offending proteins or can occur several hours after eating the offending protein and the severity of those symptoms can vary tremendously from very, very mild skin reaction or runny nose, to very severe and life threatening situations, where anaphylaxis or anaphylactic shock occurs and again, a lot of it is going to depend on the sensitivity of the individual, how much of that offending food allergen will trigger the response and also the specific allergenicity of that protein.

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