Evolução da presença de pesticidas em hortofrutícolas

  • Tiago Xavier Costa Tavares (Student)

Student thesis: Master's Thesis

Abstract

Pesticides are products applied to crops in order to avoid and minimize effects caused by pests. These products have been increasingly controlled and subject to gradually stricter rules, both for food and environmental reasons, especially in Europe. Currently, the most used analysis method for detection and quantification of these compounds in fruit and vegetables is the QuEChERS method, which consists of extracting and separating the active substances from the respective samples, followed by an analysis in GC MS/MS or LC-MS/ MS. At European level, the plant protection products that can be used and the respective Maximum Residue Limits (MRL) for each crop are defined. Values detected above the MRL or products not allowed for a given crop are in legal breach. Taking into account the concerns with the consumers health and the impact that phytopharmaceuticals have on the environment, more and more agricultural techniques and other types of innovative methods have emerged, such as “Zero Waste” (already explored by some national producers) whose objective is to minimize the use of pesticides, using other alternatives that are more beneficial for the consumer and the environment. The main goal for this work is to analyze the results of pesticides determined in fruit and vegetable products, within the scope of the analytical control plan of a national company, in the period from 2019 to 2022 and to assess whether there is any pattern or trend over the years.
Date of Award27 Jul 2023
Original languagePortuguese
Awarding Institution
  • Universidade Católica Portuguesa
SupervisorSara Margarida Bernardes Queda da Silva (Supervisor)

Keywords

  • Pesticides
  • Agriculture
  • Fruits & vegetables
  • Nonconformities

Designation

  • Mestrado em Biotecnologia e Inovação

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