From:  Isolation, characterization, and encapsulation of a lupeol-rich fraction obtained from the hexanic extract of Coccoloba uvifera L. leaves

Comparison of the Papp values for the HDPAF/PEO nanofibers-loaded with the fraction and the neat fraction with permeability response at 15 minutes

SamplePapp × 108 (cm/s)
HDPAG/PEO nanofibers-loaded with fraction 61.48 ± 0.01
Fraction 6ND
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ND: not detectable