Thank you for your inquiry.
The reference copied below will give you a protocol for oral challenge to food additives, including Yellow 5 (Table IV), and more detailed protocols can be seen by looking up the following references in this chapter: 71, 73, 81, 82, 83, and 84.
Thank you again for your inquiry and we hope this response is helpful to you.
J Allergy Clin Immunol 2009;123:S365-83.
Work Group report: Oral food challenge testing
Anna Nowak-We² grzyn, MD,a Amal H. Assa'ad, MD,b* Sami L. Bahna, MD, DrPH,c* S. Allan Bock, MD,d* Scott H. Sicherer, MD,a* and Suzanne S. Teuber, MD,e* on behalf of the Adverse Reactions to Food Committee of the American Academy of Allergy, Asthma & Immunology New York, NY, Cincinnati, Ohio, Shreveport, La, Denver, Colo, and Davis, Calif
Phil Lieberman, M.D.