本尼迪克特试剂:一种柠檬酸钠、碳酸钠和硫酸铜的溶液,当加入还原糖,如葡萄糖时,其颜色由蓝变为黄或红色。
Benedict 's solution : a solution of sodium citrate , sodium carbonate , and copper sulfate that changes from blue to yellow or red in the presence of reducing sugars , such as glucose .