But a scientist from the CSIR-National Chemical Laboratory (NCL) in Pune, Asmita Prabhune, asks, “How clean is the apple, or any other fruit and vegetable that we bite into?” Fruit and vegetables are among the healthiest foods on our plates. “A quick rinse under the tap or a wash with salt water or vinegar is often assumed to be enough. The startup’s flagship innovation, Sophab, is a specialised concentrate engineered to remove 99 per cent of pesticides, pathogens, and chemical residues from fresh vegetables and fruits. You add your fruits and vegetables to this water, keep it for two to three minutes, rub gently with your hands, and that’s all.