Method of preparing green olives (healthy fruits): The fruits of green olives free of wounds and cohesive in the solution of alkali brings to dissolve a mixture of alkaloids and alkali salts lag behind the manufacture of olive oil soap with canning, to get rid of bitter material and this method of desalination It is called after calcination with calcined olives. The fruits treated in this way earn special taste desired by the consumer. The use of sodium hydroxide (tectarum) has recently been used alone in the desalination process and is used at 5%. The treatment time varies depending on the type, size, water temperature used and the concentration of the alkaline solution used. These factors and duration are determined by practice.