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Ferulic acid: a key component in grass lignocellulose recalcitrance to hydrolysis

2014; Wiley; Volume: 13; Issue: 9 Linguagem: Inglês

10.1111/pbi.12292

1467-7652

Dyoni Matias de Oliveira, Aline Finger‐Teixeira, Thatiane Rodrigues Mota, Victor Hugo Salvador, Flávia Carolina Moreira‐Vilar, Hugo Bruno Correa Molinari, R. A. C. Mitchell, Rogério Marchiosi, Osvaldo Ferrarese‐Filho, Wanderley Dantas dos Santos,

Biochemical and biochemical processes

Summary In the near future, grasses must provide most of the biomass for the production of renewable fuels. However, grass cell walls are characterized by a large quantity of hydroxycinnamic acids such as ferulic and p ‐coumaric acids, which are thought to reduce the biomass saccharification. Ferulic acid ( FA ) binds to lignin, polysaccharides and structural proteins of grass cell walls cross‐linking these components. A controlled reduction of FA level or of FA cross‐linkages in plants of industrial interest can improve the production of cellulosic ethanol. Here, we review the biosynthesis and roles of FA in cell wall architecture and in grass biomass recalcitrance to enzyme hydrolysis.