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Gaschromatography for food analysis

Coronavirus Update – QSI and DSI-pharm remain open

We are pleased to announce that QSI and DSI-pharm will remain open & operational despite the current Corona Pandemic. Our work is vital for the food and pharmaceutical supply chain. Therefore we have taken several safety measures to ensure that our customers can rely in our quality and services. Some of these safety measures taken
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Coffee sensory kit with typical coffee flavours and off-flavours

coffee sensory kit – now available

The popularity of coffee – beverage and natural stimulant all in one – is not only due to its capability to keep us awake and productive during a long day. Equally important for its triumphant success around the world is its characteristic, rich flavour, which is one of its most important quality features. Consequently, coffee
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biological, nature, honey, QSI

Pesticide residues in organic products and their assessment

It seems obvious that no pesticide residues should be detectable in organic products. But even organic products cannot always be completely free of harmful substances. From air and water, for example, pesticides can get into the soil and then into the plants. Pesticides used in the neighbourhood also occasionally drift onto organic fields. Occasionally, organic
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QSI offers the quantitative analysis of terpenes in plant products. GC/MS is used to analyze 21 terpenes, even under GMP conditions.

Quantitative determination of terpenes

Terpenes are molecules constructed from isoprene units that occur naturally in plants. As secondary metabolites, they have a wide range of functions such as attracting pollinating insects, protecting against herbivores or as growth regulators. Terpenes are the main component of essential oil and have a decisive influence on the aroma of plants products such as
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QSI and Diapharm Oldenburg to go together in the future

Bremen – QSI GmbH is pleased to announce the merger with Diapharm Analytics GmbH from Oldenburg – both companies of the Tentamus Group. QSI CEO Gudrun Beckh reports: “Already during our summer party, we were able to inform our employees about the good news that we will be able to go together in the future.
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Cocotea 2019

At the fifth international conference for coffee, cocoa and tea, industry and research met for a three-day technical exchange. QSI was represented at the event by Arne Dübecke and Annika Hoffmann. On the first day Arne Dübecke gave a presentation on pyrrolizidine alkaloids (PA) in tea and herbs. He explained which challenges have to be
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