Under the Galata bridge you find a handful of colourful boats that sell amazing fish sandwiches â balik ekmek. Basically, fresh mackerel is grilled on these boats, then stuffed with a bit of onion and salad into a roll and drizzled with lemon juice. Such a simple pleasure, yet amazing.
Ice cream is a colloid combining an emulsion and a foam, with milk fat, ice crystals and air (a liquid, a solid and a gas) spread throughout another liquid (the water from the milk). In traditional homemade ice cream, the lecithin in egg yolks acts as the emulsifier, keeping the colloid stable.
Emulsions are just one example of a colloid, a mixture where one substance is evenly dispersed in another. Fog and clouds are colloids of water in air. Smoke is a colloid of solid particles in air. As we have seen, foams are colloids of a gas in water, and emulsions are colloids of one liquid in another.Ink is a colloid of a solid pigment in water. Styrofoam is a colloid of a gas in a solid. Gels are a colloid of a liquid in a solid. There are also colloids of solids in other solids, as in some types of glass.One type of colloid often encountered in cooking are hydrocolloids.tyrofoam is a colloid of a gas in a solid. Gels are a colloid of a liquid in a solid. There are also colloids of solids in other solids, as in some types of glass. One type of colloid often encountered in cooking are hydrocolloids.