eli5 How exactly does one “de-caffeinate” coffee? Are they actually removing the chemical?

Question

eli5 How exactly does one “de-caffeinate” coffee? Are they actually removing the chemical?

In: 548

Answer 1

‘Selective’ solvents- unlike water, the ‘universal solvent’ due to its bipolarity- take a subset of molecules which may be otherwise dissolved into broader acting solvents.