Hydro-distillation
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Hydro-distillation is a type of steam distillation that is commonly used for the extraction of essential oils from plant material. It involves placing the plant material in a still, adding water, and heating the mixture to generate steam, which carries the essential oil out of the plant material and into a collection vessel. Hydro-distillation can be a time-consuming process, but it is often preferred over other methods of essential oil extraction because it can result in a higher yield of oil and a higher quality product.