Allergy To Soy Lecithin

May 26, 2021

Soy lecithin contains a small amount of soy protein. Soy lecithin allergy was suspected on adverse reactions to candies and was proven through DBPCFC and IPTs.

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Many allergists do not even advise their soybean-allergic patients to avoid soybean lecithin when it is included as an ingredient on food.

Allergy to soy lecithin. Some people can be allergic to other legumes such as peanut. J Pediatr Gastroenterol Nutr. Soy is commonly used in processed foods.

Renaud C1 Cardiet C Dupont C. So it releases a large amount of antibodies in the body which in turn causes allergic reactions. They can include flushing andor itching skin swelling lips andor tongue wheezing shortness of breath hoarseness or tightness in the throat nausea and vomiting colic abdominal cramps and diarrhea.

A soy allergy is a hypersensitivity to the proteins found in soy according to Lucile Packard Childrens Hospital. When you eat soy-based products your immune system overreacts to the soy protein and begins to attack it. Soy lecithin does contain trace levels of soy proteins and these have been found to include soy allergens.

However apparently soy lecithin does not contain sufficient soy protein residues to provoke allergic reactions in the majority of soy-allergic consumers. Allergy to soy lecithin in a child. But my daughter has now had two suspicious incidents of hives with the lecithin.

Most allergists do not recommend that patients with soy allergy avoid soy lecithin. Soy lecithin is a food additive derived from soy bean oil and typically does not contain sufficient protein to cause allergic reactions. The allergist said soy lecithin is usually tolerated by those with soy allergy.

As your allergist may have explained soy lecithin is a lipid derivative of soy that contains only trace amounts of soy protein. Soy beans are a legume and are in the same family as peanut beans peas and lentils. For this reason products containing soy lecithin will label those foods for the presence of soy.

Four major protein fractions in soybean are implicated as causing soy allergic reactions. An example of an allergy that may be present alongside allergies to soy components is birch pollen allergy. Soy lecithin allergy is the condition where the immune system becomes hypersensitive to lecithin obtained from soy beans.

Common allergies such as those to nuts do not appear to be linked to soy allergies. Should she avoid it too. Organizational on-line sources FARE FAARP CoFAR indicate that food products containing soy lecithin can be consumed safely by nearly all patients with soy allergy.

Symptoms of a soy allergy may be limited to one area of the body or may involve many areas. But some individuals can develop a serious allergic reaction which can manifest in itching severe skin rash urticaria cough shortness of breath wheezing and unusual swelling especially of the face tongue and the throat. However they are just as likely to be allergic to other foods for example some infants with cows milk allergy are also allergic to soy.

If you experience allergy symptoms after eating soy lecithin it is related to the proteins found in soy beans. Soy lecithin is derived from highly processed soy oil and has very little if any soy protein 100-500 ppm. The amount of soy protein in soy lecithin is low enough that it usually does not result in an allergic reaction in most people allergic to soy³.

Often those with an allergy to soy lecithin also have allergies to other substances because the immune system recognizes similar proteins present in related foods or non-related substances. The immune system identifies lecithin as a harmful foreign particle. Lecithin is a byproduct of soy processing and is made up of fatty substances that are useful as emulsifiers in the food industry.

Even though allergies to soy lecithin are not yet well documented the latter is known to contain higher concentrations of proteins than does soy oil as documented in the present case. An allergy to soy lecithin can sometimes produce a few mild symptoms like sneezing a runny nose minor skin rash and hives. 1Université René Descartes Paris V France.

Soy allergy is a condition where a person is allergic to proteins naturally found in soy but soy lecithin allergy is a separate allergy. However as soy lecithin is not completely protein-free some individuals who are allergic to soy may still have a reaction.

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