一、微量元素硒的发现史1918年,瑞典科学家别兹里斯发现了硒元素。起初,人们对硒的毒性研究较多,最早记述硒的毒性间接地来自中国,在马可波罗的著作中,曾描述他的驮畜由于吃了一种现在证实为富硒的饲草而患 First, the discovery of trace elements selenium History In 1918, the Swedish scientist Bez Reese discovered selenium. Initially, there were more studies on the toxicity of selenium. The earliest account of the toxicity of selenium was indirectly from China. In Marco Polo’s book, he described that his pack animal was suffering from a forage that is now confirmed to be selenium-enriched