Table 2 Physicochemical property of natural mucoadhesive agent

1

pH (1% w/v)

6.8 ± 0.023

6.6 ± 0.023

6.7 ± 0.023

6.2 ± 0.040

2

Viscosity (1% w/v)

1.156 ± 0.020

1.274 ± 0.033

1.133 ± 0.005

1.137 ± 0.004

3

Bulk density (g/ml)

0.623 ± 0.011

0.523 ± 0.009

0.462 ± 0.008

0.372 ± 0.004

4

Tapped density (g/ml)

0.720 ± 0.010

0.573 ± 0.11

0.791 ± 0.012

0.681 ± 0.018

5

Carr’s index (%)

11.98 ± 0.054

15.98 ± 0.073

12.81 ± 0.080

11.23 ± 0.066

6

Angle of repose

24.72 ± 0.076

22.917 ± 0.023

22.56 ± 0.064

19.58 ± 0.080