“Treatment of this glycosylation-dependent repigmentation process with the early-stage carbohydrate processing inhibitors deoxynojirimycin (dNM), castanospermine (CS), …) at 0.8 mM, 40 micrograms/ml, and 30 nM, respectively, in the presence of 2 mM theophylline (Tp) almost completely inhibits the reappearance … 48-72 h after removal of Glc.”