This is the gold standard for efficiency. A solid sample is placed in a "thimble," and a solvent is heated until it evaporates, condenses, and drips onto the sample. Once the chamber fills, it siphons back into the flask, creating a continuous cycle of fresh, hot solvent washing the material. Infusion and Decoction (The Kitchen Classics)
Solid Liquid Extraction - an overview | ScienceDirect Topics solid liquid extraction hot
While cold extraction (like cold brew coffee) is gentler, heat provides three major advantages: This is the gold standard for efficiency