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木尘是一种有机的植物性粉尘,它对人体健康有一定的损害,长期接触木尘可引起职业性哮喘、肺损害和呼吸道癌的发生,且主诉症状可与肺功能改变、X线检查不相一致。木材主要是由纤维素、半纤维素及木质素构成。在木材和树皮中存在着许多有毒物质,如对粘膜具有刺激作用的皂甙在缎木中较多,有些木材中存在着大量茂类物,引起人体的变态反应,欧龙草和树皮上的苔癣也具有致敏作用。
Wood dust is an organic plant dust, it has some damage to human health, long-term exposure to dust can cause occupational asthma, lung damage and respiratory cancer, and the main symptoms may be related to changes in lung function, X-ray examination Not consistent. Wood is mainly composed of cellulose, hemicellulose and lignin. In the wood and bark there are many toxic substances, such as saponins to stimulate the mucosa in satin wood more, in some wood there is a large number of Mao-class material, causing the body’s allergy, the oolong grass and bark The lichen also has a sensitizing effect.