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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

Adamson increased the Scope of Accreditation

Adamson Analytical Laboratories is always working to find ways to better serve our clients. Therefore, we are proud to announce the successful completion of the A2LA evaluation process and addition to our ISO/IEC 17025:2017 scope of accreditation for personal care products, food, dietary supplements, and raw materials.   Accreditation scope has been increased for:   ... Continued

bilacon offers new limit of quantitation for glyphosate in beer

Glyphosate is a crop protection active ingredient for the control of weeds, which is approved in the EU until 2022. According to the World Health Organization’s Cancer Agency, glyphosate is “probably carcinogenic” to humans. However, the BfR assesses glyphosate as non-carcinogenic when used correctly.   Glyphosate in beer   During a review, low levels of ... Continued

Apple juice - Germany's sweetheart

With an annual per capita consumption of 6.8 litres, apple juice is one of the most popular juices in Germany. For the production of 1 litre of apple juice, approx. 1.5 kg of apples are needed. After pressing, the juice is naturally cloudy, i.e. with fruit flesh. By centrifuging and filtering the juice, it finally ... Continued

Wildfires and Smoke Taint Impact on Grapes and Wine

In the midst of the coronavirus pandemic in 2020, wildfires have also been a catastrophic force in Northern and Southern California burning almost 4 million acres to date. Wildfires are adverse ecological disturbances, with the global geographic distribution being heavily dependent upon three major factors- frequency of ignitions, availability of vegetative resources, as well as ... Continued
bilacon tech center zoonosis

bilacon launches new technical center to support zoonosis monitoring

In the past, public food recalls have been increasingly frequent due to the qualitative detection of Listeria monocytogenes. Regulation (EC) No 2073/2005 sets out the microbiological criteria for foodstuffs. For L. monocytogenes a distinction is made between two cases: 100 CFU/g are not exceeded until the end of the expiration date No L. monocytogenes are ... Continued
rice-analysis-berlin-laboratory copy

Rice: Staple food may not always be safe

Rice is a staple food in many regions of the world and it is available in many different varieties. Whether whole grain, round grain or long grain rice, all varieties have one thing in common: the way they are grown. Rice is mainly grown in fields that are completely under water. As a result, the ... Continued

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