Steam distillation of various aromatic herbs and flowers can result in two products; an essential oil as well as a watery herbal distillate.
22.
Steam distillation is also widely used in petroleum refineries and petrochemical plants where it is commonly referred to as " steam stripping ".
23.
Racemic limonene is known as dipentene . d-Limonene is obtained commercially from citrus fruits through two primary methods : centrifugal separation or steam distillation.
24.
Distilled essential oils have been employed as medicines since the invention of distillation in the eleventh century, when Avicenna isolated essential oils using steam distillation.
25.
Islamic cultures contributed significantly in the development of western perfumery in both perfecting the extraction of fragrances through steam distillation and introducing new, raw ingredients.
26.
The dark blue essential oil, extracted by steam distillation of the flowers, is generally used as an anti-inflammatory or in chest rubs for colds and influenza.
27.
Extraction of patchouli's essential oil is by steam distillation of the dried leaves, requiring rupture of its cell walls by steam scalding, light fermentation, or drying.
28.
This method has many benefits including avoiding petrochemical residues in the product and the loss of some " top notes " when steam distillation is used.
29.
The major alkane present in an essential oil obtained by extraction and steam distillation was the n-C??alkane nonacosane ( 55.8 and 10.7 %, respectively ).
30.
The modern mass production of rose water through steam distillation was refined by medieval Islamic world which led to more efficient and economic uses for perfumery industries.
