在自然界,花粉是一种主要的致敏原。每当春暖花开之季最容易引起花粉过敏的多为种子树,以枸树、蓖麻、地肤,法国梧桐居多,这些植物花粉量大体积小,空气中含量高,在风起的日子更容易传播,所以春天郊游时出现花粉过敏者更多。花粉中含有的油质和多糖物质被人吸入后,可被鼻腔黏膜的分泌物消化,随后释放出十多种抗体,如果这种抗体和入侵的花粉相遇,并大量积 In nature, pollen is a major allergen. Whenever the spring season most likely to cause pollen allergies are mostly seed trees to citrus, castor, Kochia scoparia, the majority of French Indus, the pollen of these plants is small in size, high in the air, in the wind of the day Easier to spread, so there are more pollen allergies in the spring outing. Pollen contained in the oily and polysaccharides substances were inhaled, nasal mucosal secretions can be digested, and then released a dozen antibodies, if this antibody and the invasion of pollen and a large number of products