Skip to main content
. 2019 Jan 10;11(1):108. doi: 10.3390/polym11010108

Table 2.

Kinetic parameters obtained after fitting the release data from the MHASt-emulsions with LP and CT to different release models (mean ± standard deviation (SD), n = 6).

Model K R2adjusted AIC T50%
(min)
T90%
(min)
DE24 h
(% ± SD)
2.5%-MHASt-emulsion with LP First order 0.05 0.723 55.3 14.3 47.5 38.4 ± 5.4
Higuchi 14.68 0.731 38.3 12.0 39.0
Korsmeyer–Peppas 25.63 0.973 25.6 56.3 2388.9
n—0.18
Weibull α—3.14
β—0.20
Ti—0.53
0.972 26.3 83.9 12432.0
5%-MHASt-emulsion with LP First order 0.01 0.838 30.4 111.1 369.1 8.1 ± 0.2
Higuchi 2.53 0.960 16.6 390.1 1263.9
Korsmeyer–Peppas 3.53 0.989 4.2 13,683.2 185,438.2
n—0.39
Weibull α—27.17 0.985 5.1 148,476.5 1,028,8670.6
β—0.35
Ti—0.40
7.5%-MHASt-emulsion with LP First order 0.00 0.273 24.5 182.2 605.1 5.3 ± 0.9
Higuchi 1.63 0.871 13.1 979.1 3172.1
Korsmeyer–Peppas 2.84 0.997 9.3 71,257.0 723,399.2
n—0.27
Weibull α—31.79 0.996 11.7 902,911.8 39,677,378.5
β—0.24
Ti—0.40
2.5%-MHASt-emulsion with CT First order 0.05 0.139 50.1 15.8 52.6 40.1 ± 8.3
Higuchi 11.99 0.775 40.7 18.2 58.8
Korsmeyer–Peppas 25.10 0.988 22.2 38.8 743.7
n—0.20
Weibull α—3.31 0.974 28.3 283.7 2577.2
β—0.21
Ti—0.40
5%-MHASt-emulsion with CT First order 0.02 0.886 31.6 43.8 145.7 17.9 ± 0.3
Higuchi 5.65 0.981 18.3 78.4 254.0
Korsmeyer–Peppas 5.60 0.988 14.4 85.8 291.9
n—0.40
Weibull α—14.72 0.974 22.1 153.9 1015.0
β—0.47
Ti—0.42
7.5%-MHASt-emulsion with CT First order 0.01 0.8693 25.6 94.5 313.8 9.3 ± 1.7
Higuchi 2.91 0.9884 8.6 317.0 1027.2
Korsmeyer–Peppas 2.50 0.9967 0.5 228.4 660.9
n—0.49
Weibull α—33.44 0.9846 11.8 507.4 2717.3
β—0.51
Ti—0.40

K—release constant; R2ajusted—adjusted coefficient of determination; AIC—Akaike Information Criterion; T50%—time required for 50% dissolution; T90%—time required for 90% dissolution; DE24 h—dissolution efficiency at 24 h of release study; n—release exponent; α—scale parameter; β—shape parameter; Ti—location parameter.