Food and Beverage Analysis

A recent study has shown that PFAS "forever chemicals" are present in some fast food packaging to a potentially alarming degree.

Online SPE–LC–MS/MS combined with the method presented enabled automated cleanup of food extracts and determination of PFAS compounds in the ng/kg range.

SIFT–MS analysis has potential to screen large numbers of packaging samples for the volatile MOH fraction, providing a rapid indication of packaging material contamination.

LCGC Europe spoke to Giorgia Purcaro from the University of Liège in Belgium, about her work investigating mineral oil hydrocarbons (MOH) using GCxGC and the practical advantages that a novel LC–GCxGC–TOF-MS/FID method offers the analyst.

The 20th International GC×GC Symposium will take place from 28 May–1 June 2023, and will be held in Canmore, Alberta.

The monitoring of per- and polyfluoroalkyl substances (PFAS) into food is an important environmental and health concern. Raquel Sendón García, PhD, is a Faculty Member in the Department of Analytical Chemistry of Nutrition and Food Science, and a Faculty of Pharmacy member at the University of Santiago de Compostela in Spain. She has been performing research on food contamination and the presence of potentially harmful chemicals in foods for some time. We recently spoke to her about her work using GC–MS and other analytical techniques to analyze PFAS migration into food from packaging materials.

This article presents a new column technology that uses reversed phase separation and offers excellent peak shape, resolution, and robustness for a wide variety of food matrices.

Webinar Date/Time: Tue, Mar 28th 2023 11am EDT | 8am PDT | 5pm CET

As our knowledge about PFAS in food continues to develop, and regulations evolve, we must continue to refine our analytical methods.

Webinar Date/Time: Thu, Mar 2, 2023 11:00 AM EST

Webinar Date/Time: Tuesday, February 21st, 2023 Morning session: 9:30 am EST - 12:15 pm EST Afternoon session: 2:00 pm EST - 4:00 pm EST Wednesday, February 22nd, 2023 Morning session: 9:30 am EST - 12:15 pm EST Afternoon session: 2:00 pm EST - 4:00 pm EST

Immersive sorptive extraction coupled with comprehensive two-dimensional gas chromatography and time-of-flight mass spectrometry (GC×GC–TOF-MS) was used to compare flavour profiles from popular brand soft drinks with those of imitation products.

Webinar Date/Time: Airing 1: Tuesday January 17, 2023 at 9am EST | 2pm GMT | 3pm CET Airing 2: Tuesday January 17, 2023 at 2pm EST | 1pm CST | 11am PST

This month we interview Raviraj Chandrakant Shinde from India, about his work on the analysis of various food contaminants using chromatography and mass spectrometry, and the challenges involved in analyzing polar and ionic pesticides.

Untargeted GC–MS metabolomics with sample derivatization is shown here to be effective for measuring the chemical profiles of traditional and plant-based meat products.

Webinar Date/Time: Fri, Dec 2, 2022 11:00 AM EST

How to lower the limits of quantitation as the regulatory landscape continues to evolve.

This article presents SFC and UHPLC—both coupled with HRMS—methods for the analysis of short-, medium-, and long-chain CPs in fish oil-based dietary supplements.

This method greatly facilitates the analysis of a large number of pesticides.

The importance of accurate analysis methods for EtO and 2-CE in food is essential and the demand for robust methods that are able to deliver high sample throughput with minimal instrumental downtime is high.

In this study, SFC and UHPLC—both coupled with HRMS—methods for the analysis of short-, medium-, and long-chain CPs in fish oil-based dietary supplements were developed and validated at concentration levels of 0.6 and 3.0 µg/g lipid weight (lw).

This method for PFAS analysis in milk and infant formula is robust, reliable, and reproducible, with scope to expand the list of PFAS in the future.

This article describes the method development involved in the authentication of nutraceuticals, particularly those containing Panax ginseng, which is popular because of possible positive effects on human health.

This method for PFAS analysis in milk and infant formula is robust, reliable, and reproducible, with scope to expand the list of PFAS in the future.

In our study, a fast and sensitive liquid chromatography coupled to tandem mass spectrometry (LC–MS/MS) method for the determination of vitamin D2 in fresh mushrooms and its metabolite 25(OH)D2 in the blood of volunteers regularly consuming UV-treated mushrooms has been introduced.

Per- and polyfluoralkyl substances (PFAS) are found in our food. Sensitive, precise, and accurate analytical methods are needed to estimate human exposure to these chemicals. A comparative study was performed between two extraction and cleanup methods (solid-phase extraction [SPE] and dispersive SPE) for the analysis of PFAS in apples. Both methods showed excellent sensitivity, precision, and accuracy. dSPE has some benefits over conventional SPE, and vice versa. The advantages and disadvantages of both methods are discussed.

The aim of this study was to develop an efficient method to enable a rapid determination of nine 3-MCPDEs and seven GEs in vegetable oils within a single run employing supercritical fluid chromatography coupled to high-resolution tandem mass spectrometry (SFC–HRMS/MS).

The Column spoke to Philipp Weller from the Institute of Instrumental Analytics and Bioanalytics at the Mannheim University of Applied Sciences, Germany, about the benefits of nontargeted screening approaches in food safety and environmental analysis using GC–IMS, and the best way to approach data processing and model building with the generated data.

Pesticide testing is crucial to assessing the safety of fruits and vegetables for consumption. The traditional extraction method for pesticides from produce is the QuEChERS method. This method is tedious, manual, time consuming, and wasteful. Thus, there is a need for improved methods of extraction. In this application note, the EDGE®, in combination with Q-Matrix™ Hydra, a water-removing sorbent, was used to extract a panel of pesticides from 10 g of homogenized cucumber, tomato, and green pepper in less than 9 min. The recoveries of the pesticide panel were greater than 70% for each matrix tested, and these results were highly reproducible. The EDGE provides a fully automated extraction that combines both the sample and sorbent into one sample vessel, alleviating the human burden of extraction and the need for multiple sample transfers.

Rudolf Krska and Michael Sulyok from the University of Natural Resources and Life Science in Vienna, Austria, discuss their recent work developing a multi‑analyte approach using liquid chromatography tandem mass spectrometry (LC–MS/MS), and the issues surrounding agrocontaminants in animal feeds.