Insight into the Hydrolytic Selectivity of β-Glucosidase to Enhance the Contents of Desired Active Phytochemicals in Medicinal Plants

Table 1

Chemical structures of glycosides in medicinal plants.

Substrate	Chemical name	Latin name of medicinal plant	Structure	Sugar residue	Linkage of glycosyl group
					Between sugar moieties	Sugar residue-backbone
Liquiritin	Liquiritigenin-4-O-glucopyranoside	Glycyrrhizae Radix		glucopyranoside	N/A	βGlc
Geniposide	Genipin-1-O-glucopyranoside	Gardeniae Fructus		glucopyranoside	N/A	βGlc
Baicalin	Baicalein-7-O-glucuronide	Scutellariae Radix		glucuronide	N/A	βGlr
Glycyrrhizin	18β-glycyrrhetinic acid-3-O-glucuronopyranosyl-β-glucuronide	Glycyrrhizae Radix		glucuronopyranosyl-glucuronide	β(1,2)Glr	βGlr
Hesperidin	Hesperetin-7-O-rutinoside	Citri Pericarpium		Rutinoside; (rhamnopyranosyl- glucopyranoside)	α(1,6)Rha	βGlc
Neohesperidin	Hesperetin-7-O-neohesperidoside	Citri Pericarpium		Neohesperidoside; (rhamnopyranosyl- glucopyranoside)	α(1,2)Rha	βGlc
Naringin	Naringenin-7-O-neohesperidoside	Citri Pericarpium		Neohesperidoside; (rhamnopyranosyl- glucopyranoside)	α(1,2)Rha	βGlc

N/A, not applicable; Glc, glucopyranoside; Glr, glucuronide; Rha, rhamnopyranoside.