変へん旋せん光こうへんせんこうMeanings1nounmutarotationchemistryChemistry term for the change in optical rotation when an anomeric carbon equilibrates between alpha and beta forms in solution.グルコースの水すい溶よう液えきでは変へん旋せん光こうが観かん察さつされる。Mutarotation is observed in aqueous solutions of glucose.