Fig. 8

Relative abundance of major aromatic monomers in lignin stream before and after lipid fermentation by engineered Rhodococcus opacus PD630_FA. Fermentation conditions: 30-g/l soluble substrate concentration, OD 1.0, 1.4-g/l (NH₄)₂SO₄, pH 7.0, 30 °C, 200 rpm, and 96 h. Lignin 1 lignin sample produced from pretreatment Case 1, as described in Table 1