The enzyme 1,2-α-L-fucosidase catalyzes the following chemical reaction: methyl-2-α-L-fucopyranosyl-β-D-galactoside + H2O ⇌ {\displaystyle \rightleftharpoons } L-fucose + methyl β-D-galactosideIt belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. Wikipedia