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Any of various unsaturated hydrocarbons, C10H16, found in essential oils and oleoresins of plants such as conifers and used in organic syntheses.

[Obsolete terp(entine), variant of turpentine + -ene.]

ter·pe′nic adj.
ter′pe·noid′ adj. & n.


(Elements & Compounds) any one of a class of unsaturated hydrocarbons, such as the carotenes, that are found in the essential oils of many plants. Their molecules contain isoprene units and have the general formula (C5H8)n
[C19: terp- from obsolete terpentine turpentine + -ene]
terˈpenic adj


(ˈtɜr pin)

1. any of a class of monocyclic hydrocarbons of the formula C10H16, obtained from plants.
2. any of the oxygenated derivatives of this class.
[1870–75; terp(entine), earlier sp. of turpentine + -ene]
ter•pe′nic, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.terpene - an unsaturated hydrocarbon obtained from plants
hydrocarbon - an organic compound containing only carbon and hydrogen
limonene - a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
References in periodicals archive ?
2 Triterpenes protect the liver, lower blood pressure and cholesterol, prevent platelet clumping that leads to heart attack and stroke, fight allergic responses triggered by histamine, and also possess anticancer activity.
Several secondary metabolites have been isolated from different Phyllanthus species, including flavonoids, lignans, alkaloids, triterpenes, phenols and tannins (Chang etal.
rotundus is rich in alkaloids, anthraquinone, coumarins, steroids, triterpenes, flavonoids, saponins, tannins, and resins.
Modern pharmacological studies have shown the birch triterpenes to have antiallergic, antiviral, antimicrobial, hepatoprotective and antitumor properties.
Phytochemical analysis of the extract revealed the presence of alkaloids, flavonoids, saponins, triterpenes, cardiac glycosides and proteins.
Nature of product Triterpenes (%) Polysaccharide (%) A(fruiting body extract) 1.
A Danish company has developed a method to greatly concentrate and enhance the triterpenes found in shea nut, yielding a 70% triterpene extract.
Its beneficial activity is related to the content of various secondary metabolites such as polyphenols, carotenoids, triterpenes, and essential oils.
Triterpenes of Lantana tiliaefolia: 24-Hydroxy-3-oxours-12-en-28-oic acid, a new triterpene.
The active ingredient in FlexNow is a unique complex of triterpenes extracted from the shea nut.
In fact, Reishi has the most triterpenes of any mushroom.
minor, the presence of the triterpenes [alfa]-amyrin and lupeol in C.