Table 3 α-Glucosidase inhibition of various subfractions obtained from the ethyl acetate fraction

QEF1

12.31 ± 0.60 **

y = 0.074 × − 0.411

0.986

QEF2

7.57 ± 0.54 **

y = 0.075 × − 0.068

0.989

QEF3

6.22 ± 0.70 **

y = 0.076 × + 0.027

0.968

QEF4

5.39 ± 0.58

y = 0.079 × + 0.074

0.987

QEF5

3.33 ± 0.11 *

y = 0.157 × − 0.022

0.996

QEF6

1.61 ± 0.06 **

y = 0.200 × + 0.178

0.973

QEF7

0.95 ± 0.05**

y = 0.391 × + 0.128

0.961

QEF8

0.066 ± 0.01**

y = 4.640 × + 0.193

0.968

Acarbose

4.64 ± 0.57

y = 0.045 × + 0.291

0.987