The first is saponification, which involves reacting various oils or fats with alkali in order to produce neat soap and glycerol in a mix that contains about 30 percent water.
Pirmais solis ir pārziepjošana — dažādām eļļām vai taukiem reaģējot ar sārmu, tiek iegūta ziepju masa, kas satur ap 30 procentiem ūdens, un glicerīns.