Enzymatic Synthesis of the Flavone Glucosides, Prunin and Isoquercetin, and the Aglycones, Naringenin and Quercetin, with Selective 𝜶-L-Rhamnosidase and 𝜷-D-Glucosidase Activities of Naringinase

Table 2

Optimum pH values for the hydrolysis of 4-NGP and 4-NRP with β-D-glucosidase and α-L-rhamnosidase activities of naringinase.

Substrate	Optimum pH	Nonlinear parameters	𝑟^2
4-NGP	4.1	𝐴max=0.060, p𝐾1=2.6, p𝐾2=5.5	0.892
4-NRP	3.4	𝐴max=0.181, p𝐾1=1.3, p𝐾2=5.6	0.984