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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

Poor industrial hygiene - the most frequent reason for complaints

In 2019, more than half a million food companies were inspected by the monitoring authorities of the federal states of Germany. The number of complaints remained the same as in the previous year at 12.9%. The most frequent complaints were violations of hygiene regulations: Nearly 50% of the complaints were about violations of the regulations ... Continued

Analysis of Glyphosate residues in our daily Products

Glyphosate is a non-selective herbicide used since 1974 in numerous countries worldwide. Lately, there is an emotional discussion in the media and consequently the number of reports on residues of glyphosate in food have increased substantially. Due to the high polarity of glyphosate it is not possible to analyze it together with the other pesticides ... Continued

Food Supplements in Online Shops

Food supplements are legally defined as foodstuffs which serve to supplement the diet. They are usually offered in the form of tablets or capsules and can thus provide the body with additional vitamins or minerals, for example.   Obligation to notify food supplements   Before a food supplement can be placed on the market, it ... Continued

We are shocked! - Dark chocolates tested

They say chocolate makes you happy – but only if it is safe and of good quality! 24 different dark chocolates have been tested recently, but not all of them were found to be good. According to the Cocoa and Chocolate Products Regulation, chocolate is defined as a product containing at least 43% total dry ... Continued

Biocompatibility: No plan - no report!

  Among all the hurdles that the legislator has set up before medical devices can enter the market, the proof of biocompatibility poses particular challenges. Specialized service laboratories have an impressive number of corresponding tests in their repertoire: But which of these does your medical device really need?   In principle, the answer to this ... Continued

DSI-pharm achieved GMP compliance for 400 MHz-NMR

In October 2020, a complete device qualification of the AscendTM 400 MHz-NMR (Picture 1) used by DSI-pharm was performed to achieve GMP ready status. This was carried out by GMP trained Bruker engineers and included testing the operation of the system to determine that it meets Bruker`s factory specifications as well as testing the computer ... Continued

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