Fig. 1
Preparation of corn husk hydrolysate. a Total reducing sugars released from corn husk treated with 0.4 M H2SO4 at various temperatures for 6 h, with 10% (w/v) solid loading; b concentrations of total reducing sugars and HMF before and after detoxification of corn husk hydrolysate. c Corn husk hydrolysate with color changed from dark brown to pale yellow after detoxification. Data are represented as mean ± standard deviation with n = 3