Krill lecithin as surfactant for preparation of oil/water nanoemulsions as curcumin carriers
Curcumin is a component in Curcuma longa L. with documented bioactive properties but has low bioavailability. To overcome this problem, curcumin nanoemulsions are prepared employing omega-3-rich phospholipids from krill oil as a surfactant and serve as curcumin carrying systems. The phospholipids are obtained through aqueous (LAD) and ethanolic (LED) degumming processes. The data obtained shows that LAD has a recovery of 70.7 ± 0.51% (w/w) phospholipids, being more efficient than LED with 45.97 ± 1.27% (w/w). Also, a higher content of omega-3 fatty acids is found in LAD with 36 ± 2.14% (w/w). From the critical micellar concentration (CMC) as an assessment of emulsifying capability, it is found that the krill oil (KO), LAD, and LED has a CMC in the range 0.666–0.700 g L−1. Two formulations with different surfactant levels are developed: experiment A with 9.5% and experiment B with 4.75% (w/w) of krill lecithin are obtained by aqueous degumming. In the formulation of nanoemulsions average particle sizes of 139 ± 2.5 and 142 ± 5.3 nm are produced for experiments A and B, respectively. These results indicate that krill lecithin is an omega-3 rich good surfactant which can be employed to encapsulate curcumin.
Main Authors: | Velasco-Rodríguez, Luz del C., Rascón, Martha P., Calvo, Maria V., Montalvo, Rita M., Fontecha, F. Javier, García, Hugo S. |
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Other Authors: | Consejo Nacional de Ciencia y Tecnología (México) |
Format: | artículo biblioteca |
Language: | English |
Published: |
Wiley-VCH
2021
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Online Access: | http://hdl.handle.net/10261/263206 http://dx.doi.org/10.13039/501100003141 |
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