Keeping Lupins Safe: The Role of Reference Standards

Lupins are considered a valuable source of protein and are especially popular in vegan and gluten-free products. However, alongside their positive properties, they also pose health risks that should not be underestimated.

The German Federal Institute for Risk Assessment (BfR) points out that lupin seeds contain natural defense compounds: so-called quinolizidine alkaloids (QA). These alkaloids can cause symptoms such as nausea, dizziness, heart rhythm disturbances, and gastrointestinal problems if consumed excessively or processed inadequately. Products made from bitter lupin varieties are particularly affected, as they contain significantly higher QA levels than cultivated sweet lupins.

In addition to toxicological risks, allergies also play a role: lupins can trigger cross-reactions in people with peanut allergies. Studies show that up to 20% of peanut-allergic individuals also react to lupins, sometimes with severe symptoms such as shortness of breath or anaphylactic shock. There is also a risk of initial sensitization in individuals without known allergies. With the increasing consumption of lupin-containing products, the number of such cases is rising.

Data on QA levels in processed foods is still incomplete. Therefore, the EU has launched a monitoring program to systematically assess contamination. For manufacturers, this means: careful selection of raw materials and adherence to good manufacturing practices are essential. Products made from sweet lupins that have been properly processed are considered safe. Nevertheless, consumers should pay attention to highly concentrated lupin products such as flours or powders and avoid bitter wild varieties. Allergy sufferers should avoid lupins altogether.

Our Contribution to Product Safety

At Cfm Oskar Tropitzsch, we support manufacturers and laboratories in ensuring the quality and safety of lupin-containing products. We offer reference substances for quinolizidine alkaloids. These standards enable reliable analytical control and help comply with legal requirements and internal quality guidelines. Together, we contribute to making plant-based innovations safe and trustworthy.

→ Do you have questions about our reference substances? Dr. Sandra Miklos will be happy to assist you.

→ Here is the link to the German Federal Institute for Risk Assessment’s article.