The question of conversion of thc to cbn in flower has been brought up a few times. I just saw this article/advertisement and thought i would share.
https://mrhempflower.com/cbn
The lab analysis for our CBN products shows around 20 other “mystery” cannabinoids that have yet to be discovered and researched.
The hemp flower goes through the first extraction process that produces a pure full spectrum phytocannabinoid-rich (PCR) oil. After that, our team applies heat and oxygen exposure to the extracted material
Our gummies are infused with full spectrum oil that contains 5mg CBN and 10mg CBD.
Note: Hydrogen sulfide smells like rotten eggs and is toxic. So don't try this procedure in an enclosed area.Dehydrogenation of Tetrahydrocannabinol to Cannabinol:
A mixture of 2.82 g of tetrahydrocannabinol and 0.58g of sulfur in a side-neck test tube was heated to 240-250°C until evolution of hydrogen sulfide had ceased (about twenty minutes). After cooling to 180-190°C, the product was distilled in vacuo onto a cold finger. The resulting material was taken up in about 25cc of petroleum ether (b.p. 30-60°C) the solution cooled and scratched. About 0.5 g of crude cannabinol was thus obtained. On further purification from the same solvent, it gave white crystals, m.p. 75-75°C identical in all respects with an authentic sample of cannabinol.
CBN can be made directly from THC in a laboratory. Roger Adams did it in 1940.
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So the question remains, what is the best available method for the home hobbyist to convert the THC into CBN with their favorite flower?
I have a small stash of old flower that was accidentally left in a storage locker in the southwest US for 9-10 years.
This talk about time and temperature makes me wonder about the butter I make. I stopped doing a decarb step on the ABV, and now just dump it right into a butter/water mix in a crock pot. That mix will boil for hours (at 212*F because of the water), and the subsequent cookies have a pretty good sleep effect at night. I wonder if the time at 212* can be optimized. I now just cook the material until it is just broken down to a water soaked mush, about 6 hours.
The butter is separated from the water after overnight in the fridge. When it is time to make a batch of cookies, the butter and some lechithin is heated to 250* to melt it. There are no bubbles forming, so I assume the decarb is complete.
Any thoughts or ideas on how long the butter should be cooked when extracting fromthe material?