steam distillation


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steam distillation

[′stēm ‚dis·tə′lā·shən]
(chemical engineering)
A distillation in which vaporization of the volatile constituents of a liquid mixture takes place at a lower temperature by the introduction of steam directly into the charge; steam used in this manner is known as open steam. Also known as steam stripping.
References in periodicals archive ?
Air-dried plant material was subjected to standard steam distillation (Sample B) and hydrodistillation (Sample C) (50 g for each), during 2h.
Thus, among the above mentioned techniques the most frequently used technique is steam distillation due to its simple procedure that yields approximately 93% of the essential oil [20].
About 0.5 g of dry magnesium oxide powder (MgO) was added and distilled on a micro Kjedahl steam distillation unit.
The base of each product is coconut medium-chain triglyceride (MCT) oil pressed from nongenetically modified coconut oil by a steam distillation process.
Essential oils--the volatile substances of aromatic plants--are collected, usually by steam distillation, from leaves, blossoms, fruit, stems, roots, bark, or seeds.
More pleasant has been the ability to experiment with recipes for gin, which takes on distinct flavours from juniper berries and other botanicals that are introduced as essential oils during steam distillation. After a dozen different tries with citrus concoctions, Top Shelf employees gave the thumbs-up to one with grapefruit, which is now the company's flagship offering.
solvent extraction, steam distillation, and supercritical fluid extraction (SCFE).
Coriander used by some countries for extracting essential oil and fatty oil which is prepared by steam distillation of mature, dried fruits.
Ginger oil obtained by the steam distillation of the dried ginger is mainly used in the flavoring of beverages, confectionery and perfumes.
She says it takes about half an hour to obtain the best essential oil through straight steam distillation. The steam essentially disrupts oil membranes in the lavender plant to release the essential oil.
According to Benoit Cassan, chairman of CRIEPPAM, "the Espieur harvesting machine developed by CRIEPPAM is expected to save 30% of energy during steam distillation by picking up the flowers without the stems." This considerably increases the quality of the essential oil as the scent is concentrated in the blossoms.