Skip to main content

Table 4 K m and V max values of α-glucosidase in the presence of different concentration of QEF8

From: In vitro α-glucosidase inhibitory activity of isolated fractions from water extract of Qingzhuan dark tea

Concentration of QEF8 (mg/mL)

K m (mmol/L)

V max (mmol/L s)

K i (μg/mL)

0.00

0.81 ± 0.01 d

0.23 ± 0.005 a

77.10

0.02

1.54 ± 0.05 c

0.23 ± 0.007 a

0.06

2.00 ± 0.08 b

0.220 ± 0.003 a

0.10

2.64 ± 0.10 a

0.23 ± 0.006 a

  1. Note: At the same column, different small letters mean a significant difference at p < 0.05 level compared to each other