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Refined oils (distillation)
.Distillation is a method used widely in extraction of essential oils, the principle of distillation is to use the hot water or steam into the separation of volatile oil from plants. The infiltrate into plant tissue.Mixed with hot water or steam distillation of essential oils, however, to obtain a good quality of it. Rely on technique and the chemical and physical things together, generally, the technique รกลั on essential oil is used.Methods:
.1.1 distillation with hot water (Water distillation & Hydro - distillation) is the simplest way of refining essential oil distillation by this way. The area still have a dip in boiling water, all might find some plants, light, or a steam pipe through the fire.Such as thin leaves petals soft
.Caution in refined by this way. The plant will be no heat. In the middle are often more heat than the side. Problems in burning of the sample.Essential oils. The solutions are using steam or may be used closed steam coil dip in the boiler, but the use of this steam coil unfit with flowers of some kind. When the petals are steam coil will shrink to become glutinous mass must use method is put into the water.Distillation, bark, too, if the way with distilled water will seep in and bring the smell out. Or it will spread out from the bark more easily. So the method selection is still based on the kinds of plants used in distillation
.1.2 water and steam distillation (water and steam distillation) refined by this method the sieve of secondary to distilled over water in the condenser. Bring to a boil, steam is floating up through the plant or sample to distillation.The steam from the boiling water to steam saturated or called wet steam, not too hot, is still the most convenient. The quality of the oil out than the first method. This is widely used in the production of Refined Oils Trade
.1.3 steam distillation (direct steam distillation) this way, put on the rack in the condenser, which is not water. Steam outside may be wet steam. Or steam hot but pressure above the atmosphere, sent on the pipes under the grill.Steam must be adequate to help keep it spread out from the volatile sample. For example, some of which may use the heat, but some species can use wet that oil will be released!The advantage of this method is distillation can be distilled quickly. When the plants put underdog, do not waste time waiting for the hot steam heat. The amount of imported refined it. The essential oil of much
.The 3 distillation method. The practitioner should also consider. Distribution of essential oil and water through a thin membrane hundreds of plants, the hydrolysis of various elements. Due to contact with water at any time.Due to the heat, although before the plant very loudly to cut or break before make cell to achieve the essential oil out of the cells easily. Yet
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