Hydrolysis of terminal non-reducing beta-D-fructofuranoside residues in beta-D-fructofuranosides. Isoform Secreted is glycosylated. Isoform Intracellular is not glycosylated. Present with 1780 molecules/cell in log phase SD medium. Produced by alternative initiation at Met-21 of isoform Secreted. Belongs to the glycosyl hydrolase 32 family.