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 (yo͞o′kə-lĭp′tôl′, -tōl′, -tŏl′) also eu·ca·lyp·tole (-tōl′)
A colorless oily liquid, C10H18O, derived from eucalyptus and used in pharmaceuticals, flavoring, and perfumery. Also called cineole.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌjuːkəˈlɪptɒl) or


(Elements & Compounds) a colourless oily liquid with a camphor-like odour and a spicy taste; it is obtained from eucalyptus oil and used in perfumery and as a flavouring. Formula: C10H18O. Also called: cineol
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈsɪn iˌoʊl)

also cin•e•ol

(-ˌɔl, -ˌɒl)

a colorless liquid terpene ether, C10H18O, used in flavoring, perfumes, and medicine.
[1880–90; alter. of New Latin oleum cinae=oleum oil + cina wormseed]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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In addition, studies have identified the following components: eugenol (70-80%), 1,8-cineol, [alpha]-humulene, [beta]-caryophyllene and cadinene derivatives (Tucker et al.
The 3 major identified compounds were piperitone (51%), 1,8-cineol (11.7%), and linalool (11.1%); some of these compounds are known to have depressive activity on the central nervous system.
zerumbet flowers oil, 1,8-cineol and terpinen-4-ol, exhibited repellent action against A.
Meanwhile, 1,8-cineol - which gives eucalyptus its smell - can cause liver damage in vast quantities.
[IC.sub.50] values for essential oils have illustrated their effectiveness in past studies that of Oregano (Origanum vulgare), thyme (40) and 1,8-cineol (41,42) against food borne pathogens.
Therapeutic concentrations of 1,8-cineol (1.5 [micro]g/mL = [10.sup.-5]M) inhibited significantly cytokine production in lymphocytes and monocytes [47, 48].
The same author suggested that there could be two main chemotypes for essential oil composition in rosemary: one with high concentrations of 1,8-cineol and the other characterized by low levels of this compound associated to a high level of alpha-pinene (29%) followed by camphor (12.7%).
Composicao quimica do oleo essencial de Eucalyptus citriodora TR (min) Area(%) IK (Cal.) IK (Tab.) Composto Identificado 8,95 1,18 1037 1026 Eucaliptol (1,8-cineol) 9,99 0,25 1061 1054 [gamma]-terpinene 11,62 0,36 1094 1095 Linalol 13,54 10,58 1138 1144 Neo-isopulegol 13,93 68,20 1146 1148 Citronelal 14,57 0,60 1160 1155 Iso-isopulegol 15,56 0,24 1179 1186 [alpha]-terpineol 17,19 8,69 1211 - N.I.(1*) 21,86 7,02 1307 - Acetato de [alpha]-terpenila* 22,81 2,84 1329 - Acetato de citronelita* 24,61 0,04 1368 - Phosphoryl fluoride* TR= Tempo de Retencao em minutos; IK (cal.) = Indice de Kovats calculado; IK (tab.) = Indice de Kovats tabelado.