甘露糖为一种单糖，分子式C6H12O6，自色晶体或结晶粉末，味甜带苦。极易溶于水，微溶于乙醇。D-甘露糖与氯化钙容易形成结晶化合物，并显示复杂的变旋光作用。D-甘露糖可被酵母发酵。
D-mannose is a monosaccharide, the formula CBH, OB white crystal or crystalline powder, it tastes sweet and bitter highly soluble in water, slightly soluble in ethanol, D-mannose and calcium chloride easily form crystalline compounds and shows complex optical rotation, D-mannose can