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+Read Moreภูมิแพ้อาหาร คือ?
อาการของการเป็นภูมิแพ้อาหารเป็นได้ทุกระบบของร่างกาย จากข้อมูลที่พบบ่อยคือ อาการทางระบบทางเดินอาหาร (เมื่อแพ้อาหารจะมีอาการคันปาก อาเจียน ปวดท้อง ท้องเสีย) อาการทางผิวหนัง (เมื่อแพ้อาหารจะมีอาการผื่นคัน ลมพิษ) และอาการทางระบบหายใจ (เมื่อแพ้อาหารจะมีอาการจาม น้ำมูก ไอ หอบ แน่นหน้าอก) ในบางรายอาการแพ้อาจรุนแรงถึงขั้นเสียชีวิตได้. -
+Read MoreFood Allergy?
As with any allergy, a food allergy develops when the immune system attacks a normally harmless substance and creates specific antibodies for this substance. From this point on, whenever the food allergy sufferer eats the food to which they're allergic, the antibodies respond by releasing histamine, which causes allergic symptoms to appear.
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FOOD ALLERGIES AND INTOLERANCES
A food sensitivity is an adverse reaction to a food that other people can safely eat, and includes food allergies, food intolerances, and chemical sensitivities.
Food allergies are sensitivities caused by a reaction of the body's immune system to specific proteins in a food. Current estimates are that food allergies affect as many as 6% of young children and 3% to 4% of adults.
In allergic individuals, a food protein is mistakenly identified by the immune system as being harmful. The first time the individual is exposed to such a protein, the body's immune system responds by creating antibodies called immunoglobulin E (IgE). When the individual is exposed again to the same food protein, IgE antibodies and chemicals such as histamine are released.Histamine is a powerful chemical that can cause a reaction in the respiratory system, gastrointestinal tract, skin or cardiovascular system. In the most extreme cases, food allergies can be fatal. Although any food can provoke an immune response in allergic individuals, a few foods are responsible for the majority of food allergies.
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- Created on Wednesday, 16 May 2018 09:33
- Written by ifrpd-foodallergy
Almond or Mahaleb? Orthogonal Allergen Analysis During a Live Incident Investigation by ELISA, Molecular Biology, and Protein Mass Spectrometry
It is now well known that an incident investigated in the United Kingdom in 2015 of cumin alleged to be contaminated with almond, a risk for people with almond allergy, was caused by the Prunus species, Prunus mahaleb. In the United Kingdom, the Government Chemist offers a route of technical appeal from official findings in the food control system. Findings of almond in two official samples, cumin and paprika, which had prompted action to exclude the consignments from the food chain, were so referred. Herein are described the approaches deployed to resolve the analytical issues during the investigation of the incidents.
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- Created on Thursday, 03 May 2018 08:30
- Written by ifrpd-foodallergy
Novel Approaches for the MS-Based Detection of Food Allergens: High Resolution, MS3, and Beyond
The prevalence of allergic reactions to food is believed to be increasing in industrialized countries worldwide. One of the major tasks in risk management is, therefore, the analytical surveillance of allergen contamination in food and targeted proteomics using MS, which is of hugely growing interest due to its specificity and sensitivity and the possibility to analyze multiple allergens in parallel. Though approximately 200 different foods have been described as having the potential to elicit allergic reactions, current regional labeling requirements are focused on the 5–14 priority allergens that elicit the vast majority of severe reactions or that pose a risk as hidden allergens in food production.
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Institute of Food Research and Product Development, Kasetsart University