every human being consumes vegetable and simultaneously pesticides so how to overcome it?
You can detect pesticide residues on plant surfaces very effectively using portable electronic-nose (e-nose) devices; (see attached links to methods and research results):
Article Identification of insecticide residues with a conducting-pol...
Conference Paper Fungicide Residue Identification and Discrimination Using a ...
As asked, you are basically out of luck -- or this is a huge market awaiting a clever product.
The basic answer is that there is no such product. wherein the average non-scientist home owner can reliably detect pesticides on the produce that they bring into their homes. The standard homeowner (in any country), does not have the skill, and does not have access to a GC-MS or LC-MS. A brief look at the electronic nose seems like it might be a step in this direction, but the equipment does not seem to be a product that a homeowner would have, nor would they know about PCA and be able to analyze the results. I would be interested to know if Alphus agrees or disagrees with this evaluation.
The game is entirely different if the question was about methods a scientist could use to detect pesticides on produce in a home. There is also an issue about sensitivity. I could test for one or two pesticides down to about 0.005 ppm. It is much easier if you are only detecting presence/absence, and have a high threshold.
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