Emulsion preparation using beta-cyclodextrin and its derivatives acting as an emulsifier.
The preparation and formation mechanism of n-hexadecane/water emulsions using natural beta-cyclodextrin (beta-CD) and chemically modified beta-CDs (triacylated beta-cyclodextrins) as an emulsifier were investigated. The stable water/oil (W/O) emulsion was formed using tripropanoyl-beta-CD (TP-beta-CD). From observation using the contact angle (theta(ow)) of precipitates derived from CD, it was clarified that oil/water (O/W) emulsion at theta(ow)<90 degrees and (W/O) emulsion at theta(ow)>90 degrees are formed when the composition of each oil and water was mixed with natural beta-CD or triacylated beta-CDs.
Inoue
Motoki
M
College of Pharmacy, Nihon University, Funabashi, Chiba, Japan.
Hashizaki
Kaname
K
Taguchi
Hiroyuki
H
Saito
Yoshihiro
Y