Rheology as a Tool to Predict the Release of Alpha-Lipoic Acid from Emulsions Used for the Prevention of Skin Aging

Table 5

ALA released from emulsions A and B in various periods of time (mean ± SD, ).

	Time (h)	Amount of ALA (g/mL)	Amount of ALA per area (g/cm^2)	% released
A	2	0 ± 0	0	0
	4	292.42 ± 0.04	1156.46	37.90
	8	366.13 ± 0.01	1447.97	47.46
B	2	343.35 ± 0.01	1357.88	44.50
	4	386.67 ± 0.01	1529.20	50.12
	8	537.27 ± 0.01	2124.79	69.64

Standard deviation (); SD <5% in all results.
Different letters means statistically different values.