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carbon dioxide extraction

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carbon dioxide extraction,
n in aromatherapy, a method of extracting essential oils using compressed carbon dioxide for a solvent. An expensive method, it uses lower temperature than most methods, thus ensuring that the essential oils are not heat-damaged.


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The amount of such oxygenated compounds as linalol, decilic aldehyde, neral and geranial in cold-pressed essential oils was concentrated tenfold when using supercritical carbon dioxide extraction.
According to a Sainsbury's press release, the retailer "has worked with the cork manufacturer Sabate for two years to develop natural cork based closures which go through a process of carbon dioxide extraction to 'clean' them (i.
 
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