Research Article

The Effect of Formulation Excipients and Thermal Treatment on the Release Properties of Lisinopril Spheres and Tablets

Table 2

Physicochemical properties of the tablets before and after thermal treatment.

ParametersLCALLCADLCA60LC50A40
Before After BeforeAfterBefore AfterBefore After

Weight (mg)422.9 ± 6.1404.7 ± 2.5420.8 ± 1.5397.1 ± 2.0421.3 ± 1.7420.8 ± 3.7418.8 ± 3.9418.7 ± 6.1
Thickness (mm)2.99 ± 0.033.00 ± 0.012.74 ± 0.012.77 ± 0.022.98 ± 0.013.02 ± 0.023.47 ± 0.043.58 ± 0.07
Diameter (mm)12.01 ± 0.0312.06 ± 0.0312.03 ± 0.0512.05 ± 0.0712.04 ± 0.0512.14 ± 0.0412.02 ± 0.0212.09 ± 0.02
Hardness (kP)8.43 ± 0.437.04 ± 0.387.35 ± 0.466.56 ± 0.462.8 ± 0.314.02 ± 0.344.09 ± 0.624.80 ± 0.53
Disintegration (min)60 ± 0.0060 ± 0.0060 ± 0.0060 ± 0.0013.00 ± 3.0931.00 ± 10.5260 ± 0.0047.60 ± 11.07
Friability (%)0.050.000.060.0011.770.070.000.00

; data are expressed as mean ± standard deviation. Formulation parameters were evaluated before and after thermal treatment.