Skip to main content

Table 1 Composition of plant biomass polymers.

From: Regulators of plant biomass degradation in ascomycetous fungi

Polymer type Polymer Monomers
Cellulose   d-Glucose
Hemicellulose Xylan d-Xylose
Glucuronoxylan d-Glucuronic acid, d-xylose
Arabinoglucuronoxylan d-Xylose, l-arabinose
Arabinoxylan d-Xylose, l-arabinose
Galacto(gluco)mannan d-Glucose, d-mannose, d-galactose
Mannan/galactomannan d-Mannose, d-galactose
Xyloglucan d-Glucose, d-xylose, d-fructose, d-galactose
β(1,3)/(1,4)-glucan d-Glucose
Pectin Homogalacturonan d-Galacturonic acid
Xylogalacturonan d-Galacturonic acid, d-xylose
Rhamnogalacturonan I d-Galacturonic acid, l-rhamnose, d-galactose, l-arabinose, ferulic acid, d-glucuronic acid
Rhamnogalacturonan II d-Galacturonic acid, l-rhamnose, d-galactose, l-arabinose, l-fucose, d-glucose, d-manno-octulosonic acid (KDO), d-lyxo-heptulosaric acid (DhA), d-xylose, d-apiose, l-acetic acid
Inulin   d-Fructose, d-glucose
Starch Amylose d-Glucose
Amylopectin d-Glucose
Various gums   d-Galacturonic acid, l-rhamnose, d-galactose, l-arabinose, d-xylose, l-fucose (depending on the specific gum type)
Lignin   Monolignols: ρ-coumaryl alcohol, coniferyl alcohol, sinapyl alcohol