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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 ?
oblongifolium, behaved positively against Liebermann-Burchard test for triterpenes [8].
Zen Nutrients Onco-V Capsules contain resveratrol, green tea extract, quercetin, turkey tail mushrooms, turmeric, garlic, ginger, ginseng, tocotrienols, triterpenes, vitamins A, B, C, D, and E, selenium, zinc, manganese, and molybdenum.
The analysis of major compounds of propolis showed the presence of diterpenicacids, prenylated benzophenones, and triterpenes in the propolis obtained from Cundinamarca Antioquia, and Huila regions respectively.
The phytochemical screening of the fresh fruit, decoction, crude ethanolic, aqueous, hexane, and ethyl acetate extracts was carried out to determine the presence of alkaloids, flavonoids, reducing sugars, cardiac glycosides, saponins, phytosterols, tannins, and triterpenes with the procedures described by Tiwari et al [5].
Sweet natural triterpenes arising from cooperage oak and the effect of oak species (Quercus petraea and Quercus robur) on four recently discovered taste-active triterpenes (three sweet and one bitter) were analyzed.
The authors detected only 3 triterpenes namely asiaticoside, asiatic acid and madecassoside in the plants, this was different from the findings of Hashim et al.
They concluded that the triterpenes and triterpene esters found in shea nuts and shea butter are significant anti-inflammatory and antitumor-promoting agents.
As all pentacyclic triterpenes, the MA biosynthesis derives from de squalene, which is oxidized and cyclized by several enzymes to [beta]-amyrin and subsequently oxidation steps give rise to the triterpenic dialcohol erythrodiol, followed by the hydroxyl pentacyclic triterpencis acids, oleanolic acid (OA) and, finally, MA (Rufino-Palomares et al.
Many species of this genus produce various bioactive compounds such as sesquiterpenes, diterpenes, triterpenes, sterols, and polyphenols (Yi-Bing et al.
Phytochemical study of the resin of Protium carana March (Burseraceae), semisynthetic derivatives of the triterpenes [alfa]-, [beta]-amyrins, determination of activity antioxidant and antibacterial activity evaluation.
Triterpenes extracted from Alstonia scholaris leaves were evaluated for the first time in tumor-bearing C57BL/6 mice and in A549 cells.
Centella asiatica selected triterpenes (CAST) is a standardized mixture of the most significant active ingredients of C.