Difference between revisions of "Vegetable oil"
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== Description == | == Description == | ||
| − | An oil extracted from plant parts, such as seeds, fruits, or nuts. Vegetable oils contain a mixture of glycerides. Drying oils with a high number of unsaturated glycerides ([ | + | An oil extracted from plant parts, such as seeds, fruits, or nuts. Vegetable oils contain a mixture of glycerides. Drying oils with a high number of unsaturated glycerides ([[oleic%20acid|oleic]] and [[linoleic%20acid|linoleic]]) can oxidize to form hard, insoluble films. Nondrying oils contain mostly saturated glycerides and do not thicken readily. |
Examples of vegetable oils: | Examples of vegetable oils: | ||
| − | -Drying oils ([ | + | -Drying oils ([[linseed%20oil|linseed]], [[tung%20oil|tung]], [[perilla%20oil|perilla]], [[walnut%20oil|walnut]], etc.) -mainly used in paints |
| − | -Semidrying oils ([ | + | -Semidrying oils ([[cottonseed%20oil|cottonseed]], [[soybean%20oil|soybean]], etc.) -used in paints, soaps and food |
| − | -Nondrying oils ([ | + | -Nondrying oils ([[coconut%20oil|coconut]], [[corn%20oil|corn]], [[olive%20oil|olive]], etc.) -mainly used as food products |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 12:05, 10 May 2016
Description
An oil extracted from plant parts, such as seeds, fruits, or nuts. Vegetable oils contain a mixture of glycerides. Drying oils with a high number of unsaturated glycerides (oleic and linoleic) can oxidize to form hard, insoluble films. Nondrying oils contain mostly saturated glycerides and do not thicken readily.
Examples of vegetable oils:
-Drying oils (linseed, tung, perilla, walnut, etc.) -mainly used in paints
-Semidrying oils (cottonseed, soybean, etc.) -used in paints, soaps and food
-Nondrying oils (coconut, corn, olive, etc.) -mainly used as food products
Synonyms and Related Terms
huile végétale (Fr.); aceite vegetal (Esp.); olio vegetale (It);
Additional Information
J.S. Mills, R.White, The Organic Chemistry of Museum Objects, Butterworth Heinemann, London, 1994.
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 485
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000