The enzyme β-L-arabinosidase (EC 3.2.1.88) catalyzes the following chemical reaction

a β-L-arabinoside + H₂O ${\displaystyle \rightleftharpoons }$ L-arabinose + an alcohol

It belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. The systematic name is β-L-arabinoside arabinohydrolase. It is also called vicianosidase.

• Dey PM (April 1973). "β-L-Arabinosidase from Cajanus indicus: a new enzyme". Biochimica et Biophysica Acta (BBA) - Enzymology. 302 (2): 393–8. doi:10.1016/0005-2744(73)90167-8. PMID 4699248.