terpenes

  • 101essential oil — any of a class of volatile oils obtained from plants, possessing the odor and other characteristic properties of the plant, used chiefly in the manufacture of perfumes, flavors, and pharmaceuticals. [1665 75] * * * Any of a class of highly… …

    Universalium

  • 102global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …

    Universalium

  • 103terebic acid — Chem. an acid, C7H10O4, formed by the oxidation of certain terpenes and historically important in the discovery of the structures of many terpenes. Also, terebinic acid. [1855 60] * * * …

    Universalium

  • 104Ružička, Leopold — ▪ Swiss chemist in full  Leopold Stephen Ružička  born Sept. 13, 1887, Vukovar, Croatia, Austria Hungary [now in Croatia] died Sept. 26, 1976, Zürich, Switz.       Swiss chemist and joint recipient, with Adolf Butenandt (Butenandt, Adolf) of… …

    Universalium

  • 105Wallach, Otto — ▪ German chemist born March 27, 1847, Königsberg, Prussia [now Kaliningrad, Russia] died Feb. 26, 1931, Göttingen, Ger.  German chemist awarded the 1910 Nobel Prize for Chemistry for analyzing fragrant essential oils and identifying the compounds …

    Universalium

  • 106Wagner–Meerwein rearrangement — A Wagner–Meerwein rearrangement is a class of carbocation 1,2 rearrangement reactions in which a hydrogen, alkyl or aryl group migrates from one carbon to a neighboring carbon.[1][2] Several reviews have been published.[3][4][5] …

    Wikipedia

  • 107Günther Ohloff — (born July 21, 1924 in Tapiau near Königsberg; died November 9, 2005 in Bernex near Geneva) was a prominent German fragrance chemist. Contents 1 Life 2 Career 3 A …

    Wikipedia

  • 108Arômes du vin — Les arômes du vin sont très nombreux et très variés. Ils peuvent être classés selon leur origine, selon des groupes d arômes voisins ou encore selon leur ressemblance chimique. Sommaire 1 Œnologie 1.1 Arômes primaires ou arômes variétaux 1.2… …

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  • 109 Matricaria recutita — Camomille sauvage Matricaria recutita …

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  • 110 Caulerpa taxifolia — Ch …

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