Ultrasonic-Assisted Fabrication of Concentrated Triglyceride Nanoemulsions and Nanogels

Langmuir : the ACS Journal of Surfaces and Colloids
Mohammad NejatianRassoul Kadkhodaee

Abstract

In many food products such as gels, pastes, jellies, creams, sausages, and selected dressings or spreads, it is desirable to formulate concentrated triglyceride nanoemulsions so as to deliver lipophilic functional agents. In this study, the ability of ultrasonication to form nanoemulsions and nanogels containing high concentration of sunflower oil was investigated in the presence of sodium dodecyl sulfate (SDS) as a surfactant. The influence of SDS and oil concentration and duration of sonication on the physical stability, mean droplet diameter, and rheological properties of emulsions were determined. Ultrasonication for up to 9 min was highly effective on fabrication of stable nanoemulsions (an average droplet size of 158-171 nm) at low oil/surfactant ratio (10:0.7). The viscosity and storage modulus increased with decreasing the droplet size particularly at higher oil concentrations. The viscous nanoemulsions (containing 60, 50, and 40 wt % oil) transformed into viscoelastic gels when sonicated for 3, 9, and 30 min, respectively. On the basis of the findings of the present study, such textural and rheological modifications, resulted from droplet size decreasing, could be potentially useful in designing reduced fat gel-like pr...Continue Reading

References

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Dec 8, 2010·Journal of Agricultural and Food Chemistry·Sung Je LeeDavid Julian McClements
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Aug 20, 2014·Langmuir : the ACS Journal of Surfaces and Colloids·Vivek Vardhan Erramreddy, Supratim Ghosh
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Aug 20, 2017·Advances in Colloid and Interface Science·Ha Seong Kim, Thomas G Mason
Mar 30, 2018·Journal of Agricultural and Food Chemistry·Ziqian LiYanxiang Gao

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Citations

Mar 2, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Tahir MehmoodZaheer Ahmed
Mar 3, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Tahir Mehmood, Anwaar Ahmed

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