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碘为合成甲状腺激素的原料,当人体缺乏碘时,引起地方性甲状腺肿,大量的碘有抗甲状腺的作用,在甲亢病人表现尤为明显。碘的另一特点是杀菌作用,不仅杀菌谱广而且杀菌效力强,对原虫、细菌、真菌以及孢子都有效,文献报道认为碘是最有效的局部消毒剂。然而用碘作消毒剂有如下缺点:碘有异臭,易挥发,难溶于水(25℃为0.034%),故增加碘的溶解度及稳定性等
Iodine is a raw material for the synthesis of thyroid hormones. When the body lacks iodine, it causes endemic goiter. A large amount of iodine has anti-thyroid function and is especially obvious in patients with hyperthyroidism. Another feature of iodine is bactericidal effect, not only broad bactericidal spectrum and strong bactericidal effect on protozoa, bacteria, fungi and spores are effective reported in the literature that iodine is the most effective local disinfectants. However, iodine as a disinfectant has the following disadvantages: iodine odor, volatile, insoluble in water (25 ℃ to 0.034%), it increases the solubility of iodine and stability