I have tried solubilizing the fish roe in dilute salt solutions. But that still forms 2 separate layers. How do I form a stable emulsion?
Dear Natasha,
to solubilize, i.e. make a true solution you would need something like lye. Suppose you deal with a food application. To obtain a stabilized dispersion you would first need first intense homogenization, e.g. rotor stator system. Nevertheless, sedimentation or depending on density creaming may also be observed. For this you can apply thickeners common to the food industry.
Particle size reduction along with addition of gums (guma acacia or guma karaya or gum tragacanth) can stabilise the emulsion by suspending the fish roe. These particles may pose a problem during atomisation in a spray dryer, hence disk type atomisers are preferable,
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