Way group interested in coffee and tea, which are the raw materials of caffeine from coffee and tea to get rid of aphids, which is a problem of the farmer with the starch extraction methods by solvent water.
The attention to the preparation of coffee grounds and tea waste as raw material and caffeine from coffee and tea to get rid of mealy bugs. This is a problem for farmers By solvent extraction with water.
The party organizer interested of coffee and tea residue which is the raw material with caffeine from tea and coffee and get rid of aphids, which is the problem of the farmers. By means of extraction with solvent water.