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13 q&more articles about the topic mass spectrometry

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Vitamin D in plants

Detection and identification of vitamin D metabolites in plant sources

A vitamin is defined as an organic molecule essential for health. Indeed, vitamin D has been associated with bone health and with immune-related effects, however a vitamin D deficiency has been associated with chronic diseases and mortality [1].

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Chlorogenic acids in coffee

Analytics and multivariate data analysis of coffee phenols

Chlorogenic acids (CGAs) are, by definition, esters formed from hydroxycinnamic acids and quinic acid. As such, they are produced by almost all plant species as secondary metabolites. In our diet, we take up substantial amounts of this class of compounds – around 1 g per day, in extreme cases ...

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Analytical quantitation of gluten in foods

Detection of gluten from wheat, rye and barley in gluten-free products for celiac disease patients

According to legislation, foods bearing a gluten-free label must not contain more than 20 mg of gluten per kilogram, which is crucial to ensure food safety for celiac disease patients. Gluten is detected by immunological, genomic, chromatographic and/or mass spectrometric methods, but the ...

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The fingerprint of the diatom

Multi-elemental analysis of diatoms using single-cell-ICP-TOF-MS

In today’s laboratories, elemental analysis methods are used for more than just determining total metal content in various sample matrices. They have become an important tool for life science research in environmental science, medicine and biology.

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Mercury in the environment

A comparison of different analysis techniques for determination and species analysis of mercury

Mercury is undisputedly one of the most toxic elements. In 2013, the Minamata Convention on Mer-cury to restrict the production and emission of this heavy metal was adopted in Geneva. It regulates the production, use and storage of mercury. For example, new mines may no longer be built and ...

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Coffee – A world of variety

Using photoionization mass spectrometry for online analysis and control of the coffee roasting process

Turning green coffee into roasted brown beans conjures myths, trends and desires. From the small gourmet roaster to the industrial plant, the growing consumer interest in quality and variety has increased the need to understand and influence the processes that take place when coffee is being ...

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How to analyze active unknown unknowns?

Discovering compounds that matter for food safety along the global food chain

More than ever, consumers are concerned about the food they consume. For example, for botanical extracts used in food products and food supplements, fraud is quite common. It is evident that specifications, quality control and regulation of botanicals need to be improved [1-3].

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Lipidomics – a new kid on the “OMICS” block

An emerging technology to comprehensively describe entire lipid profiles

Progress in research is – to a large extent – driven by technological and analytical advance-ments. This is particularly true for the field of lipid research in the biomedical field, which was hampered for decades by the limited availability of analytical tools to address the enormous complexity ...

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Oligomers in polyester-based food packaging

Using mass spectrometry to detect the presence of small polymer molecules

For several decades, food packaging has made handling food easier and helped to maintain its quality. Plastic packaging possesses the advantage that it is light and flexible, with a vast variety of polymer modifications allowing a wide range of usages.

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Authentic food

Why a single analysis parameter is not enough

Authentic food is growing in popularity with consumers. In a heavily industrialized market, a regional, single-source and/or specially manufactured product is increasingly becoming a guarantor of greater value. In the premium segment in particular, economically motivated “food fraud” can reap ...

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