Please note: cross-reactivity in allergy is common. If you are allergic to grass pollen it may be wise to avoid eating wheat during the grass pollen season because wheat is a cultivated grass and your immune system may recognise the similarity.
Allergic Diseases of the Eye, Dr. Leonard Bielory, The Medical Clinics of North America, 90 (2006): pages 129-148.
Allergy and Allergic Disease, 1997, Editor A.B. Kay, 'John Wiley & Sons', ISBN 978-1-4951-5720-9, Chapter 62, Quantification of IgE both as total immunoglobulin and as allergen specific antibodies. T.G. Merritt