期刊
FOOD CHEMISTRY
卷 221, 期 -, 页码 620-628出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.11.129
关键词
Niosome; alpha-Tocopherol; Heating method; Entrapment efficiency; Release behavior
资金
- National Science Foundation and Technology of Iran
- Research Institute of Food Science and Technology (RIFST)
alpha-Tocopherol-loaded niosome was developed using modified heating method. The influence of surfactants (Span60 and Tween60) in different mole ratios, presence or absence of cholesterol (Chol) and dicetyl phosphate (DCP) as well as different concentration of a-tocopherol (alpha-TOC) on mean size, polydispersity index, zeta potential and entrapment efficiency (EE) was evaluated. The results showed that alpha-TOC loaded niosomes exhibited a small mean size (73.85 +/- 0.6-186 +/- 0.58 nm), narrow size distribution and high EE (61.13 +/- 0.52-98.92 +/- 0.92). By decreasing the HLB, the EE and stability of the niosomes increased. The DCP and Chol improved the physicochemical properties of niosomes. 3:1 mole ratio of Span 60:Tween 60, 4 mg/ml of a-TOC and 25:12.5:2.5 mole ratio of surfactant: Chol: DCP was the optimum formulation in the encapsulation of a-TOC applying niosome system. The niosomes had sustained release profile in the simulated gastric and intestinal fluid. (C) 2016 Elsevier Ltd. All rights reserved.
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