Fig. 1From: Optimization of alkaline pretreatment and enzymatic hydrolysis for the extraction of xylooligosaccharide from rice huskResponse surface plot for alkaline pretreatment of rice husk describing the interaction of independent variables such as alkaline concentration, steaming temperature and steaming time. a Effect of alkaline concentration and streaming time, b effect of alkaline concentration and streaming temperature, and c effect of streaming time and streaming temperatureBack to article page