THCA in cannabis sativa/indica plant is converted to CBNA in certain environmental conditions, light exposure and time period. Later CBNA is decarboxylated to CBN.
Delta-9 THC is oxidized to delta-8 THC.
My doubt is does THC (delta-9) also converts to CBN !!
If yes ......... in what conditions delta-9 THC converts to CBN or delta-8 THC (D8) ?