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Understanding the Symptoms of Food Allergy

How are food allergies diagnosed?

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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 are food allergies diagnosed?

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  • Transcripts

    Bob Gravani: Hi, I am Bob Gravani. I am a professor of Food Science at Cornell University in Ithaca, New York. My area of interest is food safety, I have worked in this area for my entire professional career and today we are going to talk about a very interesting topic on food allergies. We are going to look at the symptoms, we are going to look at how food allergies are diagnosed?

    Host: How are food allergies diagnosed?

    Bob Gravani: Well I think if a person suspects they have a food allergy the first thing they need to do is go to medical provider, see a physician. The first thing that physician will do is conduct a physical exam of the individual to make sure that there are no underlying issues that might be around. The second thing they will probably do is have the suspected person with a food allergy keep a food diary, kind of log in the foods that they normally eat, determine whether there is pattern there. They would also then provide food elimination diet and they one by one would eliminate certain foods from the diet to see if again reaction could be avoided. They would probably also conduct a skin test where they would see if there were any specific reactions to certain allergens. They might even do a blood test to determine there were antibodies produced to certain food and then last but not least they might conduct a Double-Blind Placebo-Controlled Food Challenge that is a very structured and supervised food challenge were they might address the offending foods and judge the reaction under medical supervision. 1

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