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Lavender oil is an essential oil obtained by distillation from the flower spikes of certain species of lavender. There are over 400 types of lavender worldwide with different scents and qualities. There are over 400 types of lavender worldwide with different scents and qualities.
Florentine flask Florentine flask. A florentine flask, also known as florentine receiver, florentine separator or essencier (from the French), other shapes called florentine vase or florentine vessel, is an oil–water separator fed with condensed vapors of a steam distillation in a fragrance extraction process.
The science of distillation is based on the fact that different substances evaporate at different temperatures. Unlike other extraction techniques based on solubility of a compound in either water or oil, distillation will separate components regardless of their solubility. The distillate will contain compounds that vaporize at or below the ...
Distilled products, whether through steam or dry distillation are known either as essential oils or ottos. Today, most common essential oils, such as lavender, peppermint, and eucalyptus, are distilled. Raw plant material, consisting of the flowers, leaves, wood, bark, roots, seeds, or peel, is put into an alembic (distillation apparatus) over ...
Hildegard of Bingen used distilled lavender oil for medicinal treatments in the 12th century, and by the 15th century, oils were commonly distilled from various plant sources. [ 8 ] In the era of modern medicine, the name "aromatherapy" first appeared in print in 1937 in a French book on the subject: Aromathérapie: Les Huiles Essentielles ...
A process of heating oil shale to produce shale oil, oil shale gas, and spent shale is commonly called retorting. Airtight vessels to apply pressure as well as heat are called autoclaves . In the food industry , pressure cookers are often referred to as "retorts", meaning " canning retorts" for sterilization under high temperature (116–130 °C).
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