Table 2.

Physicochemical characterization of salep and granules

Characterization parameters	Salep ± SD (n=3)
Tap density (g/mL) of powder	0.75±0.9
Tap density (g/mL) of granules	328.09±0.1
Bulk density (g/mL) of powder	0.666±0.86
Bulk density (g/mL) of granules	251.79±1.2
Hausner ratio of powder	1.12±0.3
Hausner ratio of granules	0.76±0.088
Carr’s index (%) of powder	12±1.03
Carr’s index (%) of granules	23.43±1.5
Moisture content (%) of powder	2.191±0.9
Moisture content (%) of granules	3.251±1.5
pH	4.18±0.78
Swelling index at pH 7.4	2,150±1.97
Swelling index at pH 7	4,900±0.9
Swelling index at pH 6.8	1,150±1.07
Swelling index at pH 1.2	4,650±0.98
Swelling index at pH 4.5	5,900±0.85

Abbreviation: SD, standard deviation.