Table 1 Related parameters of the Hill equation.

From: Synergistic Effect of Compounds from a Chinese Herb: Compatibility and Dose Optimization of Compounds from N-Butanol Extract of Ipomoea stolonifera

Compounds

Emax

k (IC50)

n

R2

R

Sco

99.06%

15.99

1.4126

0.99763

0.99881

Umb

50.21%

70.20

1.35607

0.99662

0.99831

Esc

80.15%

9.07

2.89305

0.99058

0.99528

Hes

98.23%

12.80

1.46786

0.98996

0.99497

Cur

112.25%

3.57

0.74563

0.99212

0.99605