Multiresidude Low Level Quantification of Pesticides in Food

2008/04/25   下载量： 175 次

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Food safety concerns are on the rise amongst consumers worldwide. In 2006, sweeping changes were made to the Food Hygiene Law in Japan regarding residues of agricultural chemicals, including pesticides, in foods. As a result,standard residue values were established for approximately 800 pesticides. All food items produced in or imported into Japan are required to meet the standards established by this law. If pesticide residues in any food items exceed these standards, then the distribution and sale of the food is prohibited. This Positive List System has had a significant effect not only on the Japanese domestic production, but also on much of the food exported to Japan from various foreign countries such as China, the United States, and Taiwan. There are numerous types of pesticides regularly used in the agricultural industry, including insecticides, fungicides, herbicides, and growth regulators. Because each type has different physicochemical properties, there are limitations on simultaneous analysis. Among the pesticides for which standard values are currently set, GC/MS/MS can analyze approximately 300 compounds. The superior selectivity of this technique allows interference-free quantification, even with peak coelution, and provides positive confirmation of various pesticides in a single analytical run. To accurately monitor pesticide residues, a high throughput multi-residue screening method that can quantitate a large number of pesticide residues during a single analytical run is needed.

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赛默飞色谱与质谱
钻石会员 丨 第23年
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