Citronella oil is an essential oil obtained from the leaves and stems of different species of Cymbopogon (lemongrass). The oil is used extensively as a source of perfumery chemicals such as citronellal, citronellol, and geraniol.These chemicals find extensive use in soap, candles and incense, perfumery, cosmetic, and flavouring industries throughout the world.
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Research in North America has confirmed that citronella oil is effective and the oil is registered as an insect repellant in the US. Studies in the EU failed to validate its effectiveness and they have banned the product as an insecticide.We must conclude from this that “we don’t know if it works”, but if Europe can’t find any evidence that citronella oil works, I tend to be skeptical.
Research notes: Lemongrass (C. citratus) as well as its active component, citral, exhibited high antibacterial activity against Haemophilus influenzae, penicillin-susceptible and resistant Streptococcus pneumoniae, Streptococcus pyogenes and Staphylococcus aureus by gaseous contact.The authors concluded that the antimicrobial action of essential oils by gaseous contact is most efficient when.
A common sight on backyard decks everywhere, citronella candles, with their clean, fresh fragrance, are said to repel mosquitoes. The oil found in these candles is derived from Citronella Grass (Cymbopogon nardus), a plant native to southeast Asia and grown commercially in Sri Lanka, India, Burma, Indonesia and Java.Naturalized in tropical Asia, the plant is also grown as an ornamental in.
Lemon grass and citronella oils are closely related, coming from the same family of grasses known as Cymbopogon. Most research covering the efficacy of lemon grass relies on oil, not the whole plant. Specifically, people typically need to place the oil on their skin in some form to receive the benefit.
Citronella. Oil of citronella was initially registered as an insect repellent by the US EPA in 1948. It is the most common active ingredient found in “natural” or “herbal” insect repellents. Originally extracted from the grass plant Cymbopogon nardus, oil of citronella has a lemony scent.