Curcumin phytosomal soft gel formulation: Development, optimization and physicochemical characterization

被引:22
作者
Allam, Ahmed N. [1 ]
Komeil, Ibrahim A. [2 ]
Abdallah, Ossama Y. [1 ]
机构
[1] Univ Alexandria, Fac Pharm, Alexandria, Egypt
[2] Med Pharmaceut Ind, Alexandria, Egypt
关键词
curcumin; phospholipid; phytosomes; bioavailability; lipids; softgels; DELIVERY; STABILITY; COMPLEX;
D O I
10.1515/acph-2015-0029
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Curcumin, a naturally occurring lipophilic molecule can exert multiple and diverse bioactivities. However, its limited aqueous solubility and extensive presystemic metabolism restrict its bioavailability. Curcumin phytosomes were prepared by a simple solvent evaporation method where free flowing powder was obtained in addition to a newly developed semisolid formulation to increase curcumin content in soft gels. Phytosomal powder was characterized in terms of drug content and zeta potential. Thirteen different soft gel formulations were developed using oils such as Miglyol 812, castor oil and oleic acid, a hydrophilic vehicle such as PEG 400 and bioactive surfactants such as Cremophor EL and KLS P 124. Selected formulations were characterized in terms of curcumin in vitro dissolution. TEM analysis revealed good stability and a spherical, self-closed structure of curcumin phytosomes in complex formulations. Stability studies of chosen formulations prepared using the hydrophilic vehicle revealed a stable curcumin dissolution pattern. In contrast, a dramatic decrease in curcumin dissolution was observed in case of phytosomes formulated in oily vehicles.
引用
收藏
页码:285 / 297
页数:13
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