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Revista de Chimie (Rev. Chim.), Year 2011, Volume 62, Issue 6,





Irenne Gabriela Trofin, Corina Claudia Vlad, G. Dabija, L. Filipescu
Influence of Storage Conditions on the Chemical
Potency of Herbal Cannabis

Abstract:

The aim of the present paper was to investigate the stability of cannabinoids in herbal cannabis upon long-term storage. The content of tetrahydrocannabinol (D9-THC), cannabinol (CBN), and cannabidinol (CBD) in herbal cannabis from ten different regions of the world were measured for up to four years of storage in darkness at 4°C and in natural light of laboratory at 22°C. The degradation of D9-THC was faster in the first year than in subsequent years, and more pronounced for the samples exposed to light at 22°C than those stored in darkness at 4°C. The content of CBN increases during the storage and the increase is more pronounced for the samples exposed to light at 22°C than those stored in the darkness at 4°C. These results are consistent with those obtained for D9-THC. Also, a new criterion for the chemical potency ranking in different herbal cannabis grades was approached on the basis of the D9-THC degradation kinetics. Keywords: cannabis, chemo-type, potency, cannabinoid


Issue: 2011, Volume 62, Issue 6
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