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. 2010 Oct-Dec;2(4):321–324. doi: 10.4103/0975-7406.72132

Table 3.

Influence of various penetration enhancers on the permeability of LHCl

Study code Penetration enhancer *Permeability coefficient Kp ×102(cm hr1) Enhancement factor (E.F.)
PS1 Distilled water Control-1 6.322 (0.013) 1.00
PS6 Ethanolic IPB Control-2 6.490 (0.019) 1.00
PS7 Turpentine (5%) 7.450 (0.021) 1.15
PS4 DMSO (5%) 7.491 (0.032) 1.185
PS8 Pine oil (5%) 7.018 (0.036) 1.08
PS9 Menthol (5%) 7.183 (0.044) 1.11
PS5 2- Pyrrolidone (5%) 6.844 (0.052) 1.08
PS3 DMF (5%) 6.422 (0.071) 1.01
*

Results are a mean of triplicate observations. SEM values are given in parenthesis. Control 1 was used for solution codes PS3, PS4, and PS5. Control 2 was used for solution codes PS7, PS8, and PS9.Drug Concentration = 100 μg/ml