Although soy proteins are safe for human consumption, if you’re allergic to soy, your immune system identifies the proteins as unsafe. In 1985, researchers performed a study on rats to see what the negative effects of soy lecithin intake during gestation would be. Nutrients. Jacqueline A. Pongracic, MD, FAAAAI, American Academy of Allergy Asthma & Immunology, Allergist / Immunologists: Specialized Skills. Our team periodically reviews articles in order to ensure content quality. Most people who are allergic to soy may tolerate soy lecithin, according to the University of Nebraska Food Allergy Research. 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. What are the side effects of soy lecithin? Although an allergic reaction to soy lecithin is highly unlikely, a person with a soy allergy may experience allergy symptoms. Tingling in the mouth 2. Although we strive to deliver accurate and up-to-date information, no guarantee to that effect is made. // Leaf Group Lifestyle, Symptoms of Allergies to Chickpeas and Soy, SoyConnection.com: Soy Lecithin Fact Sheet, Küllenberg D, Taylor LA, Schneider M, Massing U. Lecithin is a byproduct of soy processing, and is made up of fatty substances that are useful as emulsifiers in the food industry. By continuing to browse this site, you are agreeing to our use of cookies. Soy lecithin allergy was suspected on adverse reactions to candies and was proven through DBPCFC and IPTs. As such, "lecithin" on food labels can refer to egg lecithin, soy lecithin or vegetable oil lecithin. Soybeans and soy lecithin. Lecithin is yellow-brownish fatty substance derived from soy, and other food sources. Severe allergic reaction symptoms include: Call 9-1-1 if you experience these symptoms. Rarely, a soy allergy will cause anaphylaxis, a potentially life-threatening reaction that impairs breathing, causes a sudden drop in blood pressure and can send the body into shock. Soy lecithin is a by-product of soy beans and is commonly used in foods to stabilize and provide a greater shelf life. The Negative Effects of Soy Lecithin. Most allergists do not recommend that patients with soy allergy avoid soy lecithin. Soy Allergy Avoidance Hidden Names for Soy Author: Kids With Food Allergies Subject: How to read labels for hidden names for soy when you need to avoid due to soy allergy. However, as soy lecithin is not completely protein-free, some individuals who are allergic to soy may still have a reaction. Thus, it appears that the concern regarding asthma inhalers and peanut or soy allergy is due to the combination of misperceptions explained above. When you eat soy-based products, your immune system overreacts to the soy protein and begins to attack it. Hives develop in clusters of flat welts that are extremely itchy. If you experience allergy symptoms after eating soy lecithin, it is related to the proteins found in soy beans. IPTs, already shown to demonstrate the alterations induced by hidden allergens such as in breast milk (3), yielded similar results. All allergic reactions to soy milk are a result of a malfunction of the immune system. All skin-related rashes are elevated from the skin, red and puffy in nature. Asthma symptoms from a soy lecithin allergy include: If you experience asthmatic reactions, contact your doctor immediately. A downloadable allergen card (Soy - Allergen card 750.58 KB) for those with soy allergy has been developed to help make shopping a little easier. Histamine in the body causes irritation and inflammation in the areas of the body it is being produced. Diane Marks started her writing career in 2010 and has been in health care administration for more than 30 years. Ask your doctor about soy oil and lecithin. Soy is among the eight most common foods inducing allergic reactions in children and adults. Studies show that most people who have an allergy to soy may eat products that contain soy lecithin and soy oils. The researchers fed pregnant and newborn rats either a 2% or 5% soy lecithin preparation diet. What is soy lecithin. Adverse reactions have been described, due to the inhalation of a bronchodilator with soy lecithins in the excipient, or to intravenous infusions (2, 3). 2011;472(7341):57. doi:10.1038/nature09922, Stremmel W, Hanemann A, Ehehalt R, Karner M, Braun A. Phosphatidylcholine (lecithin) and the mucus layer: Evidence of therapeutic efficacy in ulcerative colitis?. This is because these substances are fat-based, and people with allergies react to the protein portion of the food. However, if no alternatives exist and the medication is necessary, after a discussion of risks vs benefits, one might consider administration of the first dose under medical observation. An allergy to soy lecithin refers to a hypersensitivity to this substance, which is added to a number of food and pharmaceutical products. Soy lecithin does contain trace levels of soy proteins and these have been found to include soy allergens. The most common symptoms of a soy allergy are rhinitis and digestive symptoms, according to the Cleveland Clinic 2. Fish sauce can sometimes be used as a substitute for soy sauce. The information contained on this site is for informational purposes only, and should not be used as a substitute for the advice of a professional health care provider. The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data. Hives; itching; or itchy, scaly skin (eczema) 3. A literature search found few case reports of allergic reactions that have been attributed to soy lecithin. They have less of the soy protein that causes the food allergy reaction. The only medication that can treat anaphylaxis is epinephrine (adrenaline), administered through an auto-injector as soon as symptoms are apparent. Some people tolerate soy oil and lecithin, while others do not. Soy lecithin is a by-product from the processing of soybean oil. Considering the small amount of protein present, the risk of a reaction from these medications is thought to be very small, yet there are case reports of reactions. This triggers the person’s immune defenses, leading to reaction symptoms that can be mild or very severe. Lecithin has been used in alternative medicine as a possibly effective aid in treating liver disease. It can also refer to lecithin blends, most of which contain soy and another type of lecithin. Soy lecithin is a food additive derived from soy bean oil and typically does not contain sufficient protein to cause allergic reactions in individuals allergic to soy. The level of soy lecithin in bread can be 0.015% (6). Mourad AM, De Carvalho Pincinato E, Mazzola PG, Sabha M, Moriel P. Influence of soy lecithin administration on hypercholesterolemia. It is a hypersensitivity to ingesting compounds in soy (Glycine max), causing an overreaction of the immune system, typically with physical symptoms, such as gastrointestinal discomfort, respiratory distress, or a skin reaction. Lifelong choline supplementation ameliorates Alzheimer's disease pathology and associated cognitive deficits by attenuating microglia activation. National Library of Medicine. A severe allergic reaction may occur. Ask your doctor if you should avoid these forms of soy. So, it releases a large amount of antibodies in the body, which in turn, causes allergic reactions. 2017;9(8):815. doi:10.3390/nu9080815. Skin reactions are a common symptom of an allergy to soy lecithin. In: Drugs and Lactation Database (LactMed) [Internet]. Soy lecithin is widely used in the food industry as an emulsifier and stabilizing agent in the production of foods such as margarine, mayonnaise, chocolate and baked goods 1).Lecithin is the common name for a series of related compounds called phosphatidylcholines. Soy allergy is a condition where a person is allergic to proteins naturally found in soy, but soy lecithin allergy is a separate allergy. Cholesterol. For most people, soy allergy is uncomfortable but not serious. Update October 23, 2019. Rarely, however, an allergic reaction to soy can be frightening and even life-threatening. General itching may be felt anywhere in the body, but primarily in the mouth, lips or throat. At Healthfully, we strive to deliver objective content that is accurate and up-to-date. Other medications, such as antihistamine and corticosteroids, may be prescribed to treat mild symptoms of a food allergy, but it is important to note that there is no substitute for epinephrine thi… Soy allergies are triggered by soy proteins, so whether lecithin triggers an allergic response or not depends on its protein content. Soy lecithin is a nontoxic food additive. If you experience adverse reactions after eating foods containing soy lecithin, discontinue its use and see you caregiver. Improves Cholesterol Levels. Since these two products contain small amounts of soy protein, they could cause an allergic reaction in someone who is highly sensitive to soy products. Most allergists do not recommend that patients with soy allergy avoid soy lecithin. However, apparently, soy lecithin does not contain sufficient soy protein residues to provoke allergic reactions in the majority of soy-allergic consumers. A soy allergy is a hypersensitivity to the proteins found in soy, according to Lucile Packard Children’s Hospital. This site uses cookies. Egg-derived lecithin is not usually a concern for those allergic to eggs since commercially available egg lecithin is highly purified and devoid of allergy-causing egg proteins. Aging Cell. In the food industry, asthma from soy lecithin inhalation has been reported (6). As in any other allergy, symptoms occurs because an overreaction of the immune system. Health effects of dietary phospholipids. Skin reactions manifest themselves in the form of general itching, eczema or hives, according to the Cleveland Clinic 2. A study at the University of Nebraska said the reason for this is that lecithin has been linked to allergies. The attack is carried out by IgE antibodies and histamine. Dietary soy lecithin supplementation is most strongly connected with … Additionally, both soy and soy lecithin have genistein, which might have … Soy lecithin is a food additive derived from soy bean oil and typically does not contain sufficient protein to cause allergic reactions. The body creates antibodies and histamine to fight off the allergen, according to MedlinePlus. Lecithin. 2012;11:3. doi:10.1186/1476-511X-11-3. Rhinitis symptoms include: High levels of histamine in the lungs cause the airways to swell, restricting your ability to breathe normally. One analysis found protein concentrations ranging from 100 to 1,400ppm in six different soy lecithin samples. For patients allergic to soy, do they need to watch out for soy lecithin? The same goes for soy lecithin, which … The immune system identifies lecithin as a harmful foreign particle. Allergic Reactions. Cross Reactivity: Do You Need to Avoid Foods Related to Soy? 2010;28(3):490-6. doi:10.1159/000320407, Velazquez R, Ferreira E, Knowles S, et al. Its used in foods that require a natural emulsifier. Skin reactions are a common symptom of an allergy to soy lecithin. The most common commercial lecithin (food additive 322) in Australia is obtained from soybeans. The degree of risk for use of soy lecithin-containing medications in patients who have soy allergy has not been extensively studied. Copyright © 2021 Leaf Group Ltd., all rights reserved. Home / General Health / … Eczema forms as small pimple-like blisters that can bust and crust over, leaving the skin open to infection. Nature. Soy lecithin is considered generally safe for people with a soy allergy, according to SoyConnection.com 1. Soy lecithin is derived from highly processed soy oil and has very little, if any, soy protein (100-500 ppm). She holds a registered nurse license from Citizens General Hospital School of Nursing, a Bachelor of Arts in health care education from California University of Pennsylvania and a Master of Science in health administration from the University of Pittsburgh. Review our cookies information for more details. Most people with a soy allergy are allergic to soy proteins. • Soy lecithin does not contain enough soy protein to cause an allergic reaction even in soy-allergic patients. 2010;2010;824813. doi:10.1155/2010/824813, Wang Z, Klipfell E, Bennett BJ, et al. Opinions vary about whether certain products derived from soy, such as soybean oil and soy lecithin, are safe for a soy-allergic person to ingest. Lecithin is a fat that can be found in many foods like soybeans and egg yolks. The U.S. Food Allergen Labeling and Consumer Protection Act also requires soy lecithin labeling in the United States. doi:10.1111/acel.13037, Blusztajn JK, Slack BE, Mellott TJ. Updated December 3, 2018. The most important side effect is that if you have a serious soy allergy, you should avoid all products which contain it. (10) (For reference, the new FDA gluten-free labeling law requires a gluten concentration of less than 20ppm.) Soy Allergy If you experience allergy symptoms after eating soy lecithin, it is related to the proteins found in soy beans. Soy allergy is a type of food allergy. When a person with a soy allergy is exposed to soy, proteins in the soy bind to IgE antibodies made by the person’s immune system. Lecithin helps control sugar crystallization in chocolates, improves shelf life in some products, and reduces spattering while frying certain foods. Lipids Health Dis. The facts are: • Most peanut-allergic patients are not allergic to soy. Soy oil and soy lecithin are highly processed forms of soy. Soy lecithin allergy is the condition, where the immune system becomes hypersensitive to lecithin obtained from soy beans. Neuroprotective actions of dietary choline. Please note: The risk for an allergic reaction to soy lecithin and soy oils is low, but a reaction can occur. Although soy lecithin is derived from soy, most of the allergens are removed in the manufacturing process. A soy allergy is a hypersensitivity to the proteins found in soy, according to Lucile Packard Children’s Hospital. 2019;18(6):e13037. It is also known as Egg Lecithin, Lecitina, Ovolecithin, Soy Lecithin, Soy Phospholipid, Soybean Lecithin, Vegilecithin, Vitellin, Vitelline, and other names. This is because soy lecithin typically doesnt contain enough of the soy protein responsible for allergic reactions. Consequently, the use of these medications in highly sensitive soy-allergic patients is usually avoided. Soy Lecithin Contains Soy Protein There are two soy products that are not required to be posted on food labels. Soybeans are a member of the legume family. Most people with soy allergies can handle highly refined soy oil. If you are experiencing serious medical symptoms, seek emergency treatment immediately. These are soy lecithin and soybean oil. DBPCFC is considered the gold standard in food allergy (2). Beans, peas, lentils and peanuts are also legumes. Please check with the appropriate physician regarding health questions and concerns. When you eat soy-based products, your immune system overreacts to the soy protein and begins to attack it. Gut flora metabolism of phosphatidylcholine promotes cardiovascular disease. If you have been diagnosed with a soy allergy, talk with your doctor before consuming soy lecithin. Soy lecithin is derived from highly processed soy oil and has very little, if any, soy protein (100-500 ppm). Although the FDA requires general allergy warnings, manufacturers do not need to indicate the source of their lecithin. A soy allergy is a hypersensitivity to the proteins found in soy, according to Lucile Packard Children’s Hospital. 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