Table 3.

Enzymes involved in the hydrolysis of complex heteroarabinoxylans.

Enzyme	Objective
Endo-β-l,4-xylanase	β-1,4-xylose linkage hydrolysation of the xylan backbone
Exo-xylanase	β-1,4-xylose linkage hydrolysation, releasing xylobiose
β-Xylosidase	Release short-chain xylooligosaccharides and xylose from xylobiose
α-L-Arabinofuranosidase	Terminal non-reducing α-arabinofuranose hydrolysation from arabinoxylans
α-Glucuronidase	Release glucuronic acid from glucuronoxylans
Acetylxylan esterase	Acetylester bond hydrolysation in acetyl xylans
Ferulic acid esterase	Feruloylester bond hydrolysation in xylans
ρ-Coumaric acid esterase	ρ -coumaryl ester bond hydrolysation in xylans