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Development in Control of Pesticide Residue

The use of Parathion to prevent against agricultural pests in Taiwan started in 1952, and society began to pay attention to pesticide residue issues in 1959.

Between 1959 and 1962, the Taiwan Agricultural Research Institute, Council of Agriculture established a bioassay for pesticide residue.
This method has many notable advantages: it is simple, it can quickly and accurately determine whether fruits and vegetables being tested contain residual pesticide, it is relatively low-cost, and it does not require precision instruments. Taking advantage of their sensitivity to pesticides, houseflies were fed fruit and vegetable juice to check whether they survived after being fed and to determine accordingly the content of pesticide residue in vegetables and food.

Quick testing techniques were developed on the basis of toxicology in 1981 and have been used until today.
After the bioassay had been used for 20 years, the Taiwan Agricultural Research Institute followed the bioassay technique developed in the early days and developed the quick testing technique for residual pesticide based on toxicology in 1981 to reflect the gradual increase in the type and complexity of pesticide. With Acetylcholine-esterase (AChE) extracted from houseflies, they developed quick testing techniques such as (1) organophosphate and (2) carbamate. These quick testing techniques greatly shorten analysis time because they streamline the pre-processing steps for samples, are suitable first-line safeguard options, and have complementary effects with existing chemical analysis techniques. In addition, quick test stations and a pesticide residue monitoring network have been set up in places of origin and markets since 1985. There are currently approximately 380 test stations throughout Taiwan.

Taiwan Agricultural Research Institute transferred "rapid bioassay of pesticide residuals" through exclusive authorization for a period of 15 years to WuMaiTo Biotechnology Co., Ltd. by means of package plant export in September 2014.
WuMaiTo Biotechnology Co., Ltd. is the exclusive technical manufacturer authorized by the Taiwan Agricultural Research Institute with technical transfer for the package plant export of rapid bioassay of pesticide residuals. The company mainly undertakes the rapid bioassay technique for fruits and vegetables from the Institute as its mainstream in business development and exercises applicable rights and fulfills its duties in accordance with the national management guidelines for the Council of Agriculture. Content of the company's business behavior is as follows:

  • Produces and manufactures toxin-detection reagents (AChE) for national tests. The technique was authorized by the government.
  • Collaborates with the Taiwan Agricultural Research Institute in developing the quick residual poisons testing absorptiometer. The product meets the TARI regulations and authorization for collaboration is granted.
  • Assists the civil society in establishing related test stations for residual poisons to meet the needs for food safety control on markets.
  • Sells enzyme-based raw materials.
  • Sells enzyme re-packaging test reagent kits.
  • Assists in and provides staff and operators educational training and confers the Certificate of Successful Completion.
  • Authorizes distributors throughout the nation.