Description: | 4-Nitrophenyl ?-D-Cellobioside (p-Nitrophenyl ?-D-cellobioside) is a cellotriose analog, a chromogenic substrate for the detection of cellulase activity. Exoglucanases, endoglucanases, and ?-glucosidases hydrolyze 4-Nitrophenyl ?-D-Cellobioside to yield p-nitrophenol (PNP)[1][2]. |