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How Essential Oils Are Extracted? Essential oils being used in aromatherapy are actually extracted from roots, leaves of plants, barks and flowers. The process of which essential oils are extracted from the said sources are called as distillation. The process of distillation is usually a lengthy one but, this guarantees the extraction of oil without affecting its quality. In essence, distillation is the process of extracting components required from liquid using the process of condensation and heating. Whether you believe it or not, there are many ways on how distillation for essential oils can be done like: Water distillation – here, water is being poured to a container and then, other raw materials are placed to it for boiling. The oil is separated from water since water and oil are insoluble substances. The separated oil is then stored in a container for further use.
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And while the process might seem simple to do, it is actually a time consuming one. This said method is helping in maintaining oil properties as the water prevents it from overheating and thus, it restricts evaporation of the beneficial components in it.
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Steam + Water Distillation – steam as well as water together is pushing the oil out on plants and from that point, the essential oils are gathered which leaves the steam behind. Steam Distillation – for this process, the plant extracts are placed in a container and a lid is put on it so by that, the steam won’t evaporate. As soon as it begins to release oil, the extracts will be steamed. While doing this method, it is vital that you control the controlled temperature. The temperature ought to be set accordingly and at the same time, it has to be enough for the extracts to release oil and not burn it. And when the steam process is finally over, the steam that is containing essential oils are condensed by passing it in a specialized cooling system. The steam condensed forms liquid from where the water is separated from oil. The process is cumbersome while extracting only little amount of oil. Hydro Diffusion – in this distillation process, the steam is fed from top onto botanical material rather than from the bottom. Cohobation – when doing this method, it normally extracts rose oil. The process makes rose oil via water distillation. The oil is extracted and the components are called phenyl ethyl alcohol are dissolved to distilled water and doesn’t form part of extracted essential oils. The phenyl ethyl alcohol is distilled from water and then, it is added back to oil in the right proportion in order to form rose oil. The entire process not to mention is quite daunting and lengthy.