Member of Tentamus - Visit Tentamus.comAnalyse von Lebensmitteln und Pharmaprodukten bei QSI und DSI

We are at your service!

Our laboratories are still open and reliably carry out your analyses.

Feel free to use our Live Chat if you have any questions or send your inquiry at analytics.bre@tentamus.com.

Welcome to Quality Services International GmbH

a Tentamus company

QSI and DSI-pharm under the umbrella of Quality Services International GmbH combine the competence in the field of food and pharma analysis. Due to the merger of the two locations Bremen and Oldenburg, Quality Services International GmbH is your competent partner for food and pharma analyses.

QSI Laboratory for food analysis

Food

DSI Pharm Logo

Pharma

Quality Services International GmbH – a Tentamus company

As an ISO 17025 accredited laboratory, which is equipped with state-of-the-art laboratory equipment, as well as experienced, continuously trained specialists, QSI can provide a comprehensive range of analyses for foodstuff which is focused, among other products, on honey, coffee, tea and herbs.

Find out more about our services in the Food section.

QSI – a lab for life.

DSI-pharm – a Tentamus company

DSI has many years of expertise in analysis of pharmaceuticals and pharmaceutical raw materials.

As a GMP certified laboratory we support our clients in regards of pharmaceutical quality control quickly, reliably and without complications.

Find out more about our services in the Pharma section.

DSI – a lab for life.

News

Plant Based Meat Alternatives- Testing considerations

With the rise of plant-based meats in the market, the team at Columbia Labs has compiled key considerations for safety and quality testing: Plant-based ingredients have different levels and forms of macronutrients than their animal counterparts Carbohydrates in milk is lactose, in meat is glycogen and in pea its soy. These different components affect spoilage ... Continued

New and Improved: Potato Pesticide Profile

Columbia Labs has updated their pesticide profile for potatoes to include more analytes with lower LOQ’s. The profile now includes pesticides that are allowed for use on potatoes in the U.S. Columbia Labs updated list meets U.S. CFR tolerance levels as well as many export countries in the EU with the updated Limits of Quantitation. ... Continued

Coming this month: Metals speciation for Inorganic Arsenic

There are two different forms of arsenic: organic and inorganic. Inorganic arsenic is highly toxic and is therefore a public health concern; the organic form (commonly found in fish and seafood) is less harmful. The main source of exposure to inorganic arsenic is food; particularly grain-based processed products such as wheat bread, rice, milk, dairy products, and ... Continued

Benzene in Cosmetics – Where Is It Coming From?

The summer of 2021 has been clouded by negative press about Benzene residues in cosmetic products which have then been followed by product recalls.   What is Benzene? According to the American Cancer Society, although Benzene is among the 20 most widely used chemicals in the United States, benzene is known to cause cancer and the ... Continued

Oxymatrine – since 1st July 2021 classified as pesticide in the EU

Since the beginning of 2019, the scope of the comprehensive pesticide screening by GC-MS/MS, LC-MS/MS (> 600 parameters) at QSI (outsourced within Tentamus Group to bilacon GmbH, lab codes 88500, 88550) also includes matrine and oxymatrine. Both substances are alkaloids that occur naturally in plants of the Sophora family. Sophora is a genus of about ... Continued

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