From each sample, 200 mg were hydrolyzed in 4 ml of 72% H2SO4 (v/v) at 30˚C for 1 h. The hydrolyzate was diluted in 112 ml of water and maintained at 121˚C and 1.2 atm for 1 h. The solution was filtered using Whatman filter paper No.
From each sample, 200 mg were hydrolyzed in 4 ml of 72% H2SO4 (v/v) at 30˚C for 1 h. The hydrolyzate was diluted in 112 ml of water and maintained at 121˚C and 1.2 atm for 1 h. The solution was filtered using Whatman filter paper No.