1·The allergen in jackfruit does not sensitize the immune system, but once birch pollen has done so, the immune system may react to jackfruit too.
菠萝蜜中的过敏原不会使免疫系统敏感，但是一旦桦树花粉刺激了免疫系统，免疫系统也会对菠萝蜜有反应。
2·Milk is a common allergen that can trigger inflammation, stomach problems, skin rashes, hives and even breathing difficulties.
牛奶是一种常见的过敏原，可以触发引起炎症、胃病、皮疹、麻疹甚至是呼吸困难。
3·This raises the danger that people will start ignoring the message, putting themselves at risk of consuming food that does contain a dangerous level of the allergen.
这样反而增加了危险，人们开始忽视标签信息，品尝含有危险浓度过敏原的食物，把自己置于危险之中。
4·As a result companies play it safe and put warning labels on products that may not in fact contain high enough levels of allergen to have any effect.
结果，为稳妥起见，公司为产品放上警告的标签，而那个产品中也许其实并不含有会产生后果的足量过敏原。
5·For 75 percent of those 35 million, ragweed is the primary allergen, he added.
对于这35,000,000人的75%来说，豚草是首要过敏原，他补充道。
1·Study the relationship between allergic skin diseases and allergen in 3 kind of chronic urticaria, chronic eczema and dermographism.
探讨慢性荨麻疹、慢性湿疹、皮肤划痕症3种变应性皮肤病与变应原的关系。
2·The explosive reactions are activated when an allergen (such as pollen particles) binds to receptors on the surface of the mast cell, which then opens and secretes part of its contents.
当变应原(例如花粉微粒)粘附到肥大细胞表面受体后，将引发爆炸反应，肥大细胞裂开并且分泌出部分内含物。
3·Methods To test 5 common kinds of itch Dermatoses by allergen Skin Prick Test.
方法应用变应原皮肤点刺试验对5种常见的瘙痒性皮肤病进行检测。
4·Peanut is quite a potential food allergen.
花生是重要的食物变应原。
5·This significant difference in symptom reduction for ASTELIN persisted at each time point during the 8-hour allergen exposure versus placebo.
氮卓斯汀喷雾剂在8小时变应原暴露期间任一时间点与安慰剂组比较持续减轻症状，有显著差异性。