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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 tobias.wiezorek@tentamus.com.

Welcome to QSI America!
Experts in honey and agave syrup testing

Honey and bee products

Agave Syrup

Consulting & Training

QSI America – a Tentamus company

Global Service. Same Quality.

Our 14,000 sqft laboratory is located in Corona, California and operates since more than 17 years in the field of quality assurance.

At QSI America, the quality control of Honey and Bee Products is our specialty and we pride ourselves on our ability to facilitate large scale operations while still being able to provide personable quality service to our customers.
We are proud to show our roots which are based in QSI, Bremen, Germany. We took all more than 50-year knowledge and brought it to Corona, California to support the American market and offer high end solutions to your analytical needs in products such as Honey, Beehive Products, Agave Syrup.

We belong to Tentamus Group, a network of 55 laboratories worldwide and growing. Our network allows us to encompass a broad spectrum of services. As a group, we are your one stop shop for all your testing needs!

Feel free to contact us! We would be happy to answer any questions and provide advice concerning Honey product safety, hygiene, and quality control.

Lates News

frozen peas residues

Frozen peas: Free from pesticides and lead

Frozen peas make our lives easier because they are healthy and very quick to prepare. Whether in a soup, as a side dish or in a casserole – nothing can go wrong with frozen peas. But in addition to the simple preparation and quick availability, the taste and especially the harmlessness in terms of contaminants ... Continued
VelaLabs supports biosimilar development with proliferation assay

Bevacizumab and its biosimilars - treating cancer

FACES OF CANCER Over 100 types of cancer – a group of diseases involving abnormal cell growth with potential of invading and spreading into other parts of the body – affect about 100 million people worldwide, with over 8 million deaths anually. The risk of cancer increases with age and is more likely in developed ... Continued

Legionella Testing in Water

Protect your community and business against Legionaires’ disease outbreaks by monitoring water regularly for Legionella. Columbia Laboratories now offers TNI accredited Legionella testing in water. Columbia Laboratories offers a suite of water and environmental testing, and Legionella testing is key to continuing to protect communities. Should I test for Legionella? Any water system, with the ... Continued

Columbia Laboratories is CDPHE Certified!

After nearly a year of rigorous validations, on site audits and method review, Columbia Laboratories joined the short list of qualified testing laboratories. “Our Colorado clients have been very patient as we ensured proficiency and compliance while completing this accreditation process,” said Kelly O’Connor, sales director for Columbia Labs. “We made sure we have all ... Continued

One in four pre-cut fruit salads has defects

Food business operators are responsible for the safety of their products. This includes complying with hygiene requirements during food production, processing, storage and distribution. The company has to ensure that the facilities and materials are clean, the fruit is washed before cutting, the cooling temperature is maintained and the employees are trained regularly. If these ... Continued

The New FCC Honey Identity Standard

Some experts claim that honey is the third most adulterated food in the world. As the conversation around honey authenticity becomes more prevalent, as well as legal action against those who allegedly participate in counterfeit operations, a standardized guide for honey is becoming increasingly important.   As of December 1, 2021, the new Honey Identity Standard ... Continued

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