Fig. 5From: Direct IBE fermentation from mandarin orange wastes by combination of Clostridium cellulovorans and Clostridium beijerinckiiTotal sugar concentration in the culture medium containing removed peel (a) and strained lees (b) degraded with or without C. cellulovorans. Values are mean ± SE of three independent samples. An asterisk indicates a significant difference (p < 0.05)Back to article page