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New articles on fragrance profiling & Markes’ involvement in QUAFETY food-safety project

Tuesday, 17 November 2015 at 11:44:AM

LCGC The ColumnTwo new articles on the analysis of essential oils and the safety of fresh-cut fruit authored by Markes’ staff have recently appeared in LCGC journals.

The first article, in the September 2015 issue of LCGC: The Column, describes the use of GC×GC with Markes’ BenchTOF technology for analysing the complex mixture of volatiles present in essential oils.

The article shows how GC×GC, combined with highly sensitive mass spectral identification with BenchTOF, enables the rapid and effective screening of essential oils. It also demonstrates the use of Select-eV soft electron ionisation to assist identification of sequiterpenes while avoiding a reduction in sensitivity.

To read more, download the article – Improving quality control of essential oils with GC×GC–TOF-MS and “soft” ionization.


The second article appears in the October 2015 issue of LCGC: Current Trends in Mass Spectrometry, and reports on the VOC profiling of cantaloupe melon, as part of a collaboration between Markes International and a team of researchers at Cardiff University. The research, led by Dr Carsten Müller and Dr Hilary Rogers, was undertaken as part of the EU-funded QUAFETY project for improving the quality and safety of fresh-cut foods.

The article shows how a method based on thermal desorption with GC–TOF MS can elucidate how key volatiles vary with the size of the melon pieces, and highlights how such analytical information will be of value in efforts to improve food flavor, understand shelf life, and detect microbial contamination.

To read more, download the article – Combining thermal desorption GC and TOF-MS for the determination of melon VOC profiles.

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