1. Dry the industrial Fried Dough Twists leaves (moisture ≤ 10%) and crush them to 50-100 meshes.
2. Extract flowers and leaves using carbon dioxide supercritical equipment.
3. Add the extract to purified water for pre-treatment.
4. Concentrate the pre processed liquid and perform molecular distillation.
5. Perform resin column chromatography on molecular distillation products to collect cannabinoid. Destroy the separated THC.
6. Crystallize the collected cannabinoid to obtain the finished product of cannabinoid crystal.