From: Self-microemulsifying system of an ethanolic extract of Heliopsis longipes root for enhanced solubility and release of affinin
System
Excipient 1
Excipient 2
Excipient 3
A
Transcutol® HP
Labrasol®
Labrafil®
B
Tween® 80
C
Propylene glycol (PG)
D
Tween 80®/PG (1:1)