Steam Distillation: While usually employed for necessary oils, this technique has been adapted for extracting various alkaloids. It makes use of steam to vaporize parts, which might be then condensed and gathered. Conolidine has become the topic of scientific experiments, including a single released in Nature Chemistry in 2011, https://daltonsifwx.anchor-blog.com/18322207/detailed-notes-on-conolidine-treat-knee-pain