在木材加工作业中,有的工人出现斑疹、流鼻血等反应。这是怎么回事呢? 原来有一些树种中含有影响人体健康的成分。这类树种除含有纤维素、木质素等主要成分外,还含有萜烯、甾核、生物硷、醌、酚、黄铜、丹宁、碳水化物、脂肪酸等有机化合物。树种不同,所含的化合物的种类也不同 In the wood processing operations, some workers have rash, nosebleeds and other reactions. What’s going on? Some of the original species contained ingredients that affected human health. In addition to these species contain cellulose, lignin and other major components, it also contains terpenes, steroidal nuclei, alkaloids, quinones, phenols, brass, tannins, carbohydrates, fatty acids and other organic compounds. Different tree species contain different types of compounds