期刊
FOOD BIOPHYSICS
卷 11, 期 3, 页码 213-225出版社
SPRINGER
DOI: 10.1007/s11483-016-9432-9
关键词
Nanoemulsions; Food synergy; Gastrointestinal tract; Nutraceuticals; Lipid digestion; Delivery system
资金
- Cooperative State Research, Extension, Education Service, USDA, Massachusetts Agricultural Experiment Station [MAS00491]
- USDA, NRI [2013-03795]
The influence of oil type on the ability of excipient emulsions to improve the solubility, stability, and bioaccessibility of curcumin was examined. Oil-in-water emulsions were prepared using coconut, sunflower, corn, flaxseed, or fish oils. These excipient emulsions were then mixed with powdered curcumin and incubated at 30 or 100 degrees C. For all oils, more curcumin was transferred from powder to excipient emulsion at 100 degrees C (190-200 mu g/mL) than at 30 degrees C (30-36 mu g/ mL), which was attributed to increased curcumin solubility with temperature. Oil type influenced the stability and bioaccessibility of curcumin when excipient emulsions were exposed to simulated gastrointestinal tract conditions, which was attributed to differences in the molecular composition and physicochemical properties of the oils. Overall, the use of fish oil led to the highest effective curcumin bioavailability (38 %). This study provides valuable information for optimizing excipient emulsions to increase curcumin bioavailability in food, supplement, or pharmaceutical applications.
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