Table 2.

Rapamycin solubility in the solvents used and formulations at 25 °C.

Excipients	Rapamycin Solubility (mg mL−1) 1
Transcutol® P	144.8 ± 4.5
Ethanol absolute	86.1 ± 4.0
Oral solution Rapamune®	15.7 ± 0.2
Glycerin	<0.01
Petroleum oil	<0.01
Paraffin oil	<0.01

¹ Data are represented as mean ± standard deviation. All measurements are done in triplicates (n = 3).