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Table 3 Kinetic modeling of drug release from herbal gel formulations

From: Design and characterization of camptothecin gel for treatment of epidermoid carcinoma

Formulation code Zero order First order Higuchi’s equation Peppa’s equation
R2 Slope R2 Slope R2 Slope R2 Slope
F1 0.9738 0.1972 0.8688 0.0018 0.8109 4.251 0.8033 1.479
F2 0.9639 0.2164 0.8677 0.0023 0.8170 4.705 0.8483 1.504
F3 0.9700 0.2186 0.7228 0.0028 0.7989 4.686 0.7207 1.541
F4 0.9617 0.2419 0.8489 0.0039 0.8494 5.368 0.7891 1.596
F5 0.9753 0.2060 0.8811 0.0019 0.8173 4.455 0.7781 1.508