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  • Title: Cellulose nanofibrils for one-step stabilization of multiple emulsions (W/O/W) based on soybean oil.
    Author: Carrillo CA, Nypelö TE, Rojas OJ.
    Journal: J Colloid Interface Sci; 2015 May 01; 445():166-173. PubMed ID: 25617611.
    Abstract:
    Cellulose nanofibrils (CNF) were incorporated in water-in-oil (W/O) microemulsions and emulsions, as well as water-in-oil-in-water (W/O/W) multiple emulsions using soybean oil. The addition of CNF to the aqueous phase expanded the composition range to obtain W/O/W emulsions. CNF also increased the viscosity of the continuous phase and reduced the drop size both of which increased the stability and effective viscosity of the emulsions. The effects of oil type and polarity on the properties of the W/O/W emulsions were tested with limonene and octane, which compared to soybean oil produced a smaller emulsion drop size, and thus a higher emulsion viscosity. Overall, CNF are a feasible alternative to conventional polysaccharides as stability enhancers for normal and multiple emulsions that exhibit strong shear thinning behavior.
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