期刊
FOOD CHEMISTRY
卷 248, 期 -, 页码 78-85出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2017.11.091
关键词
Citral-loaded solid lipid nanoparticles; High-pressure homogenization; Physicochemical properties; Encapsulation; Acidic surroundings
资金
- National Natural Science Foundation of China [31401535]
- Natural Science Foundation of Shanghai [14ZR1440400]
Citral-loaded solid lipid nanoparticles (citral-SLNs) were prepared via a high-pressure homogenization method, using glyceryl monostearate (GMS) as the solid lipid and a mixture of Tween 80 (T-80) and Span 80 (S-80) at a weight ratio of 1: 1 as the surfactant. The microstructure and properties of the citral-SLNs were characterized by dynamic light scattering (DLS), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and thermal gravimetric analysis (TGA). The chemical stability of citral in the citral-SLNs was analyzed by solid-phase microextraction gas chromatography (SPME-GC). The GC results showed that 67.0% of the citral remained in the citral-SLN suspensions after 12 days, while only 8.22% remained in the control. Therefore, the encapsulation of citral in the solid lipid can enhance its stability in acidic surroundings.
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