To get rid of residues of chemical pesticides is a problem with the agricultural sector of Thailand. Impact on the health and economic impact of Thailand vegetable exports to the EU. At present, imports of chemicals, pesticides used in agriculture. To prevent vegetables from damage from the infestation of pests and diseases. It is mainly caused by chemical residues. It is interesting to study how to reduce the amount of pesticide residues in vegetables are many. Research studies have found that washing vegetables by using a chemical reaction that uses light as a catalyst of titanium dioxide with ozone effectively reduce chemical residues best. And potassium permanganate solution, too, can lose up to 93.50 percent.
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