Ear Mites

Peppermint oil is applied to a Q-tip and swabbed inside of the ear.

19.4.7 Antiparasitic

A patent (United States Patent 6800294) on an antiparasitic formulation comprising eucalyptus oil (Eucalyptus globulus), cajeput oil (Melaleuca cajeputi), lemongrass oil, clove bud oil (Syzigium aromaticum), peppermint oil (Mentha piperita), piperonyl, and piperonyl butoxide. The formulation can be used for treating an animal body, in the manufacture of a medicament for treating ectopara-sitic infestation of an animal, or for repelling parasites.

Two essential oils derived from Lavandula angustifolia and Lavandula x intermedia were investigated for any antiparasitic activity against the human protozoal pathogens Giardia duodenalis and Trichomonas vaginalis and the fish pathogen Hexamita inflata, all of which have significant infection and economic impacts. The study has demonstrated that low (£1%) concentrations of Lavandula angustifolia and Lavandula x intermedia oil can completely eliminate Trichomonas vaginalis, Giardia duodenalis, and Hexamita inflata in vitro. At 0.1% concentration, Lavandula angustifolia oil was found to be slightly more effective than Lavandula x intermedia oil against Giardia duodenalis and Hexamita inflata (Moon et al., 2006).

The antiparasitic properties of essential oils from Artemisia absinthium, Artemisia annua, and Artemisia scoparia were tested on intestinal parasites, Hymenolepis nana, Lambli intestinalis, Syphacia obvelata, and Trichocephalus muris [Trichuris muris]. Infested white mice were injected with 0.01 ml/g of the essential oils (6%) twice a day for 3 days. The effectiveness of the essential oils was observed in 70-90% of the tested animals (Chobanov et al., 2004).

Parasites, such as head lice and scabies, as well as internal parasites, are repelled by oregano oil (86% carvacrol). The oil can be added to soaps, shampoos, and diluted in olive oil for topical applications. By taking a few drops daily under the tongue, one can gain protection from waterborne parasites, such as Cryptosporidium and Giardia. Internal dosages also are effective in killing parasites in the body (http://curingherbs.com/wild_oregano_oil.htm) (Foster, 2002).

Essential oils from Pinus halepensis, Pinus brutia, Pinus pinaster, Pinus pinea, and Cedrus atlantica were tested for molluscicidal activity against Bulinus truncatus. The oil from Cedrus atlantica was found the most active (LC 50 = 0.47 ppm). Among their main constituents, a-pinene, b-pinene, and myrcene exhibited potent molluscicidal activity (LC 50 = 0.49; 0.54, and 0.56 ppm, respectively). These findings have important application of natural products in combating schistosomiasis (Lahlou, 2003).

Origanum essential oils have exhibited differential degrees of protection against myxosporean infections in gilthead and sharpsnout sea bream tested in land-based experimental facilities (Athanassopoulou et al., 2004a, 2004b).

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