The vegetables, Chinese kale and Pakchoi, which are popular among the Thai people, found to have problems with residues of pesticide. pesticide in both Kale Pakchoi were chlorpyrifos cypermethrin. This research was study efficiency residue reduction samples by using various household wash processing. process included washing normal water, 0.10% NaCl, baking soda, water flowing, blanching. Pesti...