monoterpene

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monoterpene

(ˈmɒnəˌtɜːpiːn)
n
(Chemistry) chem an isoprene unit, C5H8, forming a terpene
References in periodicals archive ?
guajava fresh leaves is composed mainly by hydrocarbon sesquiterpenes (62.0%), followed by oxygenated sesquiterpenes (14.8%), hydrocarbons monoterpenes (1.8%), and oxygenated monoterpenes (1.2%) (Table 1).
is known to produce biologically active compounds such as oligostilbenoids and monoterpenes. Oligostilbenoids are known to have antifungal activity.
Turpentine is composed of terpenes which mainly consist of the monoterpenes such as alpha-pinene and beta-pinene with small quantities of careen, dipentene, camphene and terpinolene.
A total of 58 secondary metabolites, mainly comprising 18 esters, six monoterpene hydrocarbons, two oxygenated monoterpenes, 20 sesquiterpene hydrocarbons, seven oxygenated sesquiterpenes, and four ketones, were positively or tentatively identified.
These compounds were grouped into phenylpropanoids, major compounds (2.64-71.52%), sesquiterpenes (5.40-6.38%), monoterpenes (0.17-4.04%), oxygenated monoterpenes (0.34-0.82%), and oxygenated sesquiterpenes (0.97-1.29%).
It is believed that the relatively high solubility in water and the presence of an alcohol group contribute to the antimicrobial activity of alcoholic monoterpenes [9], which may cause protein denaturation or dehydration of vegetative cells [10].
Iridoids may be envisaged as a biogenetic alternative to the typical monoterpenes and there is evidence for an inverse relationship between the production of monoterpenes and iridoids in the Lamiaceae family [29].
Phytochemical analysis screening from the crude ethanolic extracts of dayak onions was tested for the presence of alkaloids, flavonoids, polyphenols, monoterpenes and sesquiterpenes, steroids and triterpenoids, and quinones, as results shown in Table 1.
Among monoterpenes in wines, wine lactone has the most potent odor.
Essential oils of seven Eucalyptus species were found rich in monoterpene hydrocarbons and oxygenated monoterpenes.
Bordelon noted that the proper development of Traminette's monoterpenes, the aromatic compounds, depends upon good exposure to sunlight.