Fig. 1From: Comparative study of acid- and alkali-catalyzed 1,4-butanediol pretreatment for co-production of fermentable sugars and value-added lignin compoundsEnzymatic hydrolysis of glucan and xylan, as well as total sugar yield from biomass (a: 20 FPU/g; b: 10 FPU/g)Back to article page