Demand for exotic goods, such as wine and oranges, continues to grow in
the western world. However, agricultural regulations can vary significantly
from region to region. Regulatory bodies, such as the United States Food
and Drug Association (US FDA), routinely screen all imported goods
to ensure they meet the domestic limits of tolerance. Detection of low
concentrations of pesticides within complex matrices, such as orange juice
and wine, is a complex process that requires a high level of sensitivity.
This article details how a newly developed “dilute-and-shoot” sample
preparation method for LC–MS–MS multi-residue monitoring (MRM)
pesticide screening can be performed to overcome matrix effects.
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