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Table 3 Evaluation of pre compression parameters (HF1-HF3 and GF1-GF3)

From: Factorial design approach to fabricate and optimize floating tablets based on combination of natural polymer and rice bran wax

Formulation Code

Loose bulk density (gm/cm3)*

Tapped bulk density (gm/cm3)*

Hausner ratio (HR)*

Carr’s index (CI)*

Angle of repose (θ°)*

HF1

0.39 ± 0.05

0.55 ± 0.12

1.41 ± 0.19

11.11 ± 0.05

0.58 ± 0.02

HF2

0.44 ± 0.05

0.5 ± 0.1

1.15 ± 0.35

10.93 ± 0.05

0.39 ± 0.02

HF3

0.33 ± 0.01

0.65 ± 0.0

1.9 ± 0.13

11.12 ± 0.06

0.52 ± 0.03

GF1

0.55 ± 0.05

0.63 ± 0.09

1.22 ± 0.19

11.11 ± 0.06

0.51 ± 0.03

GF2

0.52 ± 0.05

0.59 ± 0.0

1.13 ± 0.11

10.86 ± 0.06

0.51 ± 0.05

GF3

0.44 ± 0.06

0.51 ± 0.09

1.17 ± 0.34

10.96 ± 0.07

0.46 ± 0.03

  1. *Values are expressed as mean ± S.D., n = 3*