This enzyme belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. The systematic name of this enzyme class is prunasin beta-D-glucohydrolase. This enzyme is also called prunasin hydrolase.
Kuroki G, Lizotte PA, Poulton JE (1984). "Catabolism of (R)-Amygdalin and (R)-Vicianin by Partially Purified β-Glycosidases from Prunus serotina Ehrh. and Davallia trichomanoides". Z. Naturforsch. C. 39: 232–239.