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Honey and bee products

Agave Syrup

Coffee and Cocoa

Tea, herbal- and fruit teas

Hemp and its products

Pharmaceutical products

Quality Services International GmbH – a Tentamus company

QSI  is a leading laboratory for quality control of food, honey and pharmaceutical raw materials. We offer independent laboratory and consulting services* in the areas of Food and pharmaceutical raw materials. Our GMP-certificate is a perfect Addition to our services. Therefore we are a reliable and officially authorized partner for production, trade and export as well as associations and institutions when it comes to product safety, hygiene and quality control.

Our more than 60 years of expertise with an extensive spectrum of analyses is accredited by the state and our tailor-made special solutions leave nothing to be desired. Thanks to our unique full-service group of companies under the umbrella of the Tentamus Group, we are able to offer complete analytics and innovative solutions for national and international requirements of external quality control – even for special requests.

Please see for yourself! We would be happy to submit you an offer tailored to your needs. We are looking forward to your enquiry – and will find the best solution for you! QSI – a lab for life.

* Consulting services do not fall within the scope of accreditation.

Memberships and cooperation

QSI is an active member of the following associations and working groups: Honig-Verband, Deutscher Teeverband, Deutscher Kaffeeverband, BLL, GDCh/LChG, DIN Kommitee: Honig, Kaffee, Tee, AOAC International, F.E.E.D.M., International Honey Commission, NHPDA, EIHA

All News

VelaLabs dedicated to Brexit Services!

January 2019: Chaotic Brexit situation will also have consequences for release of (bio)pharmaceuticals and time to market Your batch release (testing) for the EU market is now performed in the UK?   Do you want to prepare for an alternative in case Brexit issues are arising? After Brexit, batch release of (bio)pharmaceuticals for the EU ... Continued

Environmental impact of pharmaceutical residues

Pharmaceutical residues are not directly visible in the water, such as plastic bags or garbage, but can cause considerable damage to people and nature. The European Commission now wants to curb this and presented a new strategy on 12 March 2019.   The main objectives of the new strategy are:   Promoting a more careful use ... Continued

QTS Analytical in strong start to 2019

The laboratory team at QTS Analytical have been working hard amid increased demand for residues testing during the start of 2019. Offering a suite of pesticide screens to cover a variety of customer needs, QTS prides itself on quick turnaround without a compromise on the quality of results. The ISO17025 accredited laboratory is now offering ... Continued

Characterization and Analysis of Pheromones by Renolab GLP – A Tentamus Company

Pheromones are natural molecules used by living beings to communicate with other members of their species, and by humans to protect crops. Synthetic, carefully crafted pheromones are utilized to cause sexual confusion in parasites and protect plants from their attacks while preventing the release of extraneous chemicals into the environment. Their use increased gradually as ... Continued

Cold chain interruption may cause changes in food texture

Deep freezing is a careful process for preserving food. It stops the cell metabolism of the spoilage microorganisms. The industry uses different methods for this purpose – one is the so-called shock freezing at about -40 °C.  The water present in the food expands, but only very small ice crystals are formed. The cell walls ... Continued

Frozen convenience products to become healthier

Products such as frozen pizzas will contain less fat, salt and sugar in the future. This was agreed by the Federal Minister of Agriculture and the food industry. The ingredients will be reduced from 2019. By the end of the year, the industry associations are to work out a concept with the ministry. According to ... Continued

Tentamus laboratories in your vicinity