this method is widely used for the peeling of fruit ang vegetables ang is capable of giving very satisfactory results. the process consist of passing the product to be peeled through a bath of sodium hydroxide solution ,or 'lye' as it is usually called. peel 300 gm of potatoes or apples by passing through 30-50% solutions of NaOH, time of immersion very from 1/2 to 5 minutes ang record the percentage of waste ang some remarkable of peeled potatoes.