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Nowadays, there is a growing need for applications in food control
and safety analysis to cope with the analysis of a large number of
analytes in a very complex matrix. New analytical procedures are
demanding sensitivity, robustness, effectiveness and high
resolution within a reduced analysis time. Most of these
requirements may be met to a certain extent by the total or partial
automation of the conventional analytical methods, including sample
preparation or sample pre-treatment coupled on-line to an
analytical system. Despite the advances in chromatographic
separations and mass spectrometry techniques, sample preparation is
still one of the most important parts in any analytical method
development and an effective sample preparation is essential for
achieving good analytical results. Obviously, ideal sample
preparation methods should be fast, accurate, precise and must keep
sample integrity. For this reason, and over the last years,
considerable efforts have been made to develop modern approaches in
sample treatment techniques that enable the reduction of the
analysis time without compromising the integrity of the extraction
process. The aim of this book is to discuss new trends in sample
preparation techniques applied to food analysis, and it will
address not only the principles of each technique, but the most
relevant applications in food control and safety analysis published
over the few last years.
There is a growing need for high-throughput separations in food and
environmental research that are able to cope with the analysis of a
large number of compounds in very complex matrices. Whereas the
most common approach for solving many analytical problems has often
been high-performance liquid chromatography (HPLC), the recent use
of fast or ultra-fast chromatographic methods for environmental and
food analysis has increased the overall sample throughput and
laboratory efficiency without loss (and even with an improvement)
in the resolution obtained by conventional HPLC systems.This book
brings together researchers at the top of their field from across
the world to discuss and analyze recent advances in fast liquid
chromatography-mass spectrometry (LC-MS) methods in food and
environmental analysis. First, the most novel approaches to achieve
fast and ultra-fast methods as well as the use of alternative and
complementary stationary phases are described. Then, recent
advances in fast LC-MS methods are addressed, focusing on novel
treatment procedures coupled with LC-MS, new ionization sources,
high-resolution mass spectrometry, and the problematic confirmation
and quantification aspects in mass spectrometry. Finally, relevant
LC-MS applications in food and environmental analysis such as the
analysis of pesticides, mycotoxins, food packaging contaminants,
perfluorinated compounds and polyphenolic compounds are
described.The scope of the book is intentionally broad and is aimed
at worldwide analytical laboratories working in food and
environmental applications as well as researchers in universities
worldwide.
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