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Eucalyptol exhibits insecticidal and insect repellent properties. [ 8 ] [ 9 ] In contrast, eucalyptol is one of many compounds that are attractive to males of various species of orchid bees , which gather the chemical to synthesize pheromones; it is commonly used as bait to attract and collect these bees for study. [ 10 ]
Eucalyptus deglupta is a species of tall tree, commonly known as the rainbow eucalyptus, [3] Mindanao gum, or rainbow gum [4] that is native to the Philippines, Indonesia, and Papua New Guinea. It is the only Eucalyptus species that usually lives in rainforest, with a natural range that extends into the Northern Hemisphere.
Volatile monoterpenes produced by plants can attract or repel insects, thus some of them are used in insect repellents, such as citronellol, eucalyptol, limonene, linalool, hinokitiol, menthol and thymol. [16] Ascaridole, camphor and eucalyptol are monoterpenes that have pharmaceutical use. [18] [19]
Eucalyptus (/ ˌ juː k ə ˈ l ɪ p t ə s /) [3] is a genus of more than 700 species of flowering plants in the family Myrtaceae.Most species of Eucalyptus are trees, often mallees, and a few are shrubs.
The leaves of the European / Mediterranean plant Laurus nobilis contain about 1.3% essential oils (ol. lauri folii), consisting of 45% eucalyptol, 12% other terpenes, 8–12% terpinyl acetate, 3–4% sesquiterpenes, 3% methyleugenol, and other α- and β-pinenes, phellandrene, linalool, geraniol, terpineol, and also contain lauric acid.
In the trade, eucalyptus oils are categorized into three broad types according to their composition and main end-use: medicinal, perfumery and industrial. [1] The most prevalent is the standard cineole-based "oil of eucalyptus", a colourless mobile liquid (which yellows with age), having a penetrating, camphoraceous, woody-sweet scent.
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Listerine is a brand of antiseptic mouthwash that is promoted with the slogan "Kills germs that cause bad breath". Named after Joseph Lister, who pioneered antiseptic surgery at the Glasgow Royal Infirmary in Scotland, Listerine was developed in 1879 by Joseph Lawrence, a chemist in St. Louis, Missouri.