This substance is catabolized by the dye-decolorizing enzyme DypB (“D-Y-P-B”) and the “versatile” peroxid·ase from Pleurotus ostreatus (“plur-OH-tuss oh-stree-AH-tuss”). The beta-keto·adipate pathway mainly transforms breakdown products of this substance into adipic (“ah-dip-ick”) acid. This hydrophobic material is extracted into aqueous alcohols called organo·solvs. Either this substance or its catabolite (“kah-TAA-bo-lite”) guaia·col (“GWAI-uh-call”) is the starting material for synthesis of commercial vanillin. This substance is a mix of three compounds labeled G, S, and H that are linked by beta-O-4-aryl ether bonds. Refineries valorize this energy-rich substance by pre-treating it with deep eu·tectic solvents or enzymes from white rot fungi, then pry it away from a mixture of carbohydrates. The kraft process separates this highly variable mixture of aromatic (-5[1])alcohols from a pulp that is rich in cellu·lose. For 10 points, name this major component of plant biomass that provides strength to wood. ■END■