Study Examines Storage Conditions Over 12 Months

A team at Wageningen University in the Netherlands released peer-reviewed data on July 2, 2026, detailing how temperature and light exposure affect the stability of minor cannabinoids in stored hemp biomass. The 12-month trial tracked changes in cannabigerol, cannabichromene, and related compounds under controlled warehouse conditions.

Results indicated that samples kept below 15 °C and protected from direct light retained more than 90 percent of initial minor-cannabinoid content. In contrast, ambient-temperature storage with periodic light exposure led to measurable degradation after six months.

Relevance for Processors and Formulators

The findings provide practical benchmarks for companies that aggregate and store hemp before extraction. Proper climate control may reduce the need for frequent re-testing of aged biomass, potentially lowering compliance costs.

Researchers emphasized that the study focused on industrial hemp varieties and did not evaluate therapeutic applications. They recommended that processors adopt routine stability monitoring as part of standard operating procedures.

Next Steps in Research

The Wageningen group plans follow-on work examining the interaction between moisture content and cannabinoid degradation rates. Industry observers expect the data to inform upcoming revisions to European storage guidelines for hemp raw materials.


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