Difference between revisions of "Essential oil"
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== Description == | == Description == | ||
| − | A fragrant, volatile plant extract with a characteristic odor. Essential oils are typically composed of terpenes that are extracted from the leaves, stems, flowers, or twigs of plants by steam distillation, solvent extraction or by pressing. They are nondrying and nonsaponifiable. Essential oils, or essences, are used in perfumes, flavorings and pharmaceuticals. Examples of essential oils are: [ | + | A fragrant, volatile plant extract with a characteristic odor. Essential oils are typically composed of terpenes that are extracted from the leaves, stems, flowers, or twigs of plants by steam distillation, solvent extraction or by pressing. They are nondrying and nonsaponifiable. Essential oils, or essences, are used in perfumes, flavorings and pharmaceuticals. Examples of essential oils are: [[lemon oil|lemon]], [[cedar oil|cedar]], [[cinnamon oil|cinnamon]], [[clove oil|clove]], [[peppermint oil|peppermint]], [[lavender oil|lavender]], [[almond oil|almond]], [[rosemary oil|rosemary]], and wintergreen. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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aceite esencial (Esp.); huile essentielle (Fr.); olio essenziale (It); essence, perfumes | aceite esencial (Esp.); huile essentielle (Fr.); olio essenziale (It); essence, perfumes | ||
| − | == | + | ==Physical and Chemical Properties== |
| − | Soluble in ethanol, carbon disulfide, carbon tetrachloride, chloroform, ligroin and fatty oils. Insoluble in water. | + | * Soluble in ethanol, carbon disulfide, carbon tetrachloride, chloroform, ligroin and fatty oils. Insoluble in water. |
| + | * Density = 0.85-1.10 g/ml | ||
| − | + | ==Resources and Citations== | |
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* R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 | * R. J. Gettens, G.L. Stout, ''Painting Materials, A Short Encyclopaedia'', Dover Publications, New York, 1966 | ||
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* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982 | * Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982 | ||
| − | * Art and Architecture Thesaurus Online, | + | * Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 14:24, 5 August 2022
Description
A fragrant, volatile plant extract with a characteristic odor. Essential oils are typically composed of terpenes that are extracted from the leaves, stems, flowers, or twigs of plants by steam distillation, solvent extraction or by pressing. They are nondrying and nonsaponifiable. Essential oils, or essences, are used in perfumes, flavorings and pharmaceuticals. Examples of essential oils are: lemon, cedar, cinnamon, clove, peppermint, lavender, almond, rosemary, and wintergreen.
Synonyms and Related Terms
aceite esencial (Esp.); huile essentielle (Fr.); olio essenziale (It); essence, perfumes
Physical and Chemical Properties
- Soluble in ethanol, carbon disulfide, carbon tetrachloride, chloroform, ligroin and fatty oils. Insoluble in water.
- Density = 0.85-1.10 g/ml
Resources and Citations
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000