CBN is a cannabinoid that is less psychoactive than THC. It is an oxidized form of THC that is known for its sedative effects.
We get many questions about the presence of CBN in distilled oil.
CBN naturally occurs in cannabis. Typical concentrations in refined oils are 1.5% or less .
Concentrations of 4% or more might indicate poorly stored or aged cannabis with prolonged exposure to oxygen.
6% CBN and up might indicate a significant vacuum leak in the distillation system purifying the cannabis oil. This occurs with some frequency in short path distillation systems since they generally rely on large amounts of vacuum grease instead of grease free o-ring seals found on spinning band distillation systems.
Vacuum grease often erodes and gets sucked into the short path systems letting in oxygen. Oxidation of THC leads to high CBN concentrations as well as a very dark distillate.
Vacuum grease is not food grade. The fact that it can get into the distillate on a short path system is problematic. Somewhere down the line a customer is consuming vacuum grease. Yuck!
To avoid CBN know the how and when the material was harvest and extracted. Use distillation systems with O-ring joints that do not require vacuum grease and are virtually leak free.
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