At present, the potato consumption has been increasing both in the form of French fried potato and mixing in Naam Naeung sauce. However, the process of cleaning and peeling have to be done manually to resulted in about 20 % loss. And there is still not any appropriate process loses 20 % of potato due to potato' s peeling machine provided in the country.

    Thailand Institute of Scientific and Technological Research (TISTR) by Food Technology Department, under technical support of GTZ , Germany , has been successful in the ensign and development d of Automatic Potato Rubbing Machine which is capable of rubbing and cleaning potatoes. The fresh cleaned potatoes are ready for further production process. This new innovation can really serve the industrial demand.

    Automatic Potato Rubbing Machine has the capacity of more than 500 kilograms per an hour. The machine composes of 8 rubbing roller sets. Each set comprises of sand rubber section, hard brush section and soft brush section. The Rollers move with the velocity of 180 revolution per one minute. Recycling water pump is made of stainless steel. Nozzles are of the clip-eye-let type and they can be taken off for cleaning easily. It takes only 2 minutes for peeling and cleaning. The potatoes from such process are clean and fresh and ready for further production process. The products also have the increasing nutrition value. Because of the rapid machine operation, the loss is less than 6 % potato and it can be applied to any other root plants as well.