Simply put, this process activates the cannabinoids in the plant – primarily THC and CBD into its bioavailable form – with the use of heat. Because when you use it in its raw form, the cannabinoids aren’t activated and therefore don’t produce the potent health benefits we know and love it for. Sounds simple enough, right?
Source: https://cannabisworld.biz/2022/08/01/3-tips-for-decarbing-your-weed-for-the-best-results/