Sample detection and treatment method for pesticide residues in lemons and application of sample detection and treatment method

The invention discloses a sample detection and treatment method for pesticide residues in lemons, which aims to extract the pesticide residues on the epidermis of the lemons and comprises the following steps: firstly, separating the epidermis from pulp of the lemons, and extracting the epidermis, cutting the epidermis into pieces, and washing and soaking the epidermis with an extracting solution, so that the pesticide residues on the epidermis of the lemons are removed; and collecting an extracting solution, and carrying out subsequent detection steps. An extracting solution comprises a buffer solution, sugar, triton and water, an organic solvent is not used, and the extracting solution is greener and safer; the pesticide residue extraction method disclosed by the invention is used as a pretreatment method for detecting a sample, is simple to operate and wide in application range, does not need step-by-step extraction and filtration, and can effectively extract more than 90% of pesticide, so that the accuracy