alltatup
Firstly thank you for providing this, although i disagree with the article as you will read. There was much viable information from the papers cited there. I am much grateful for that.
I believe the writer misinterpreted data from the papers he cited and did not completely or thoroughly read them. Although for a breif moment i thought the guy was on to something, but ended up confused by the end. Until i read the three cited articles and papers, all became clear.
The main points of his confusion i believe are in the difference between stored degradation and biosynthesis degradation (living plant). Although he makes some great points about the transition from clear to opaque which i was always wondering about.
He cites a paper done on stored cannabis and the indication of age by analyzing cannabis samples. These results provided a relationship profile of the concentration ratio between THC to CBN and storage time to provide approximate age of a STORED cannabis sample.
He used this to prove to himself, plus his questionable test results that THC does not significantly degrade and that the transition of THC to CBN was not a complete conversion. Or perhaps not even happening. Basically concluding that amber is not a negative quality. At least thats what i could conclude from his somewhat confusing writing.
However what he failed to understand was that the paper was about STORED cannabis and not biosynthetically active (living plant) cannabis. And also his interpretation of THC to CBN was wrong, there was a complete identifiable measurement from THC to CBN. This 'ratio' is what allows the method of aging to work in the first place. As the THC needs a reference in order to work. As the original THC level is unknown, CBN is used as the reference due to it being the converted chemical. Although some amount is not directly converted to CBN, this was merely pointed out as to adjust for error in the calculation. Thats it.
The other paper he cited was basically about the anatomy & physiology of THC in the trichome. Quite fascinating paper really. Bascially one part of the paper detailed the aging of trichomes and the relationship of its color to its cannabinoid profile. What they found was that as the trichome aged from mature to aged and then to senescence. There was a clear distinction between them with the cannabinoids.
This paper alone made clear points about the transition of age and color and its effects on cannabinoid levels. He further cites Mel. Frank who also cites papers saying very similar conclusions.
Here Mel Frank cites
"In marijuana, the more color that the gland heads developed, the less THC they contained, and in the case of hemp, the less CBD. In both cases, color indicated a loss of THC or CBD—and the deeper the color, the more serious the loss, since pure THC is transparent."
He continues talking about the conversion of THC to CBN
"Keep in mind that while THC and CBD are both produced by the plant, CBN is not; it is the oxidative degradation product of THC. In other words, THC exposed to oxygen (air) degrades to CBN and the higher the temperature, the faster the degradation."
And here he talks about the relationship of the color to THC degradation.
"In fact, the color change reflects the aging of the gland contents, and the color itself most likely comes from the polymerization of essential oils in the gland heads; these essential oils give marijuana varieties their distinctive fragrance and taste. The color change may indirectly indicate that THC is changing to CBN"
One thing that he does seem to be correct on is the transition of the trichome from clear to cloudy. Which he quotes as..
"Transparent resins, regardless of color, are a sign that the plant is actively carrying out resin biosynthesis. When biosynthesis ceases, resins turn opaque as cannabinoid and aromatic levels decline."
Basically what this means is that THC is highest when trichomes are clear and opaque is an indication of the decline in manufacturing of these cannabinoids. There is much more i dissected from the article but this is the most important from it.
Basically i would ignore what was written and understand these important points.
THC most definitely converts into CBN.
Color shifting has been shown as the degradation of cannabinoids, as pure THC is clear.
Color shifting appears to highlight the transition of THC to CBN in studies, as such using it as a indicator in maturity is possible.
Opaque or clowdy resin is a indication of the downregulation of cannabinoid manufacturing, particularly THC.
I will be using this information to rewrite my original article on trichomes which will be a while yet before its published. Much thanks again Alltatup.