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Interesting!
When this guy* made clear ketchup, he used egg whites to separate remaining solid tomato matter out from the liquid tomato umami. Wonder if that would work for oil at all.
This method makes the oil clearer but it doesn’t remove polar compounds, which are really unhealthy: https://lipidworld.biomedcentral.com/articles/10.1186/s12944-019-0980-0.
Polar compounds can be removed with magnesium silicate.
When you say “this” do you mean the egg whites or the gelatin method? Thanks.
Both methods just use protein to trap large particles. The difference is that with gelatin, the process is reversible with heat. Magnesium silicate is just really pure talcum powder and it’s widely used in food service to clean oil.
