Fig. 1From: Precise pretreatment of lignocellulose: relating substrate modification with subsequent hydrolysis and fermentation to products and by-productsYields of metabolites from anaerobic fermentation of untreated and pretreated straw. a Dissolved organic carbon, b hydrogen, c ethanol, d pH, and e acetate. Error bar represents the standard deviation from three independent incubation batchesBack to article page