Ketohexose A ketose SUGAR with six carbon atoms, e.g. fructose.

一种六碳的。如果。

Glucose cyclizes to form asix- membered pyranose ring whilst five –carbon surgars and six-carbon ketose sugars (ketohexoses) such as fructnose rings.

状结构 碳和更大的，醛基或基与的另一碳原子上的羟基反应。