A Herbal Oil Extraction Plant is designed to isolate essential oils and active compounds from medicinal and aromatic herbs such as lemongrass, tulsi (holy basil), neem, peppermint, rosemary, and others. The most common extraction techniques include steam distillation, hydrodistillation, solvent extraction, and CO₂ supercritical extraction https://keronebiochar.com/herbal-oil-extraction/