Plant essential oils EOs and a wide range of their individual components are involved in a variety of biological interactions with insect pests including stimulatory, deterrent, toxic and even hormetic effects. Both the beneficial and toxic properties of citrus EOs on the Mediterranean fruit fly medfly have been experimentally evidenced over the last years. However, no information is available regarding the toxic or beneficial effects of the major components of citrus EOs via contact with the adults of the Mediterranean fruit fly.
The essential oils extracted of six plants have been tested on adults of Anopheles gambiae Diptera: Culicidae in view to determine their insecticide effect. It is about Ocimum canumLaggera pterodontaPlectrancthus glandulosusEucalyptus camaldulensisHyptis spicigera and Pittosporum viridiflorum. These oils have been diluted in the hexane to different concentrations 5, 10, 15, 20, 30, 40 and 50 mg of active matter by m 2 of screen in order to expose anopheles in the OMS-cone.
Toxic effects of essential plant oils in adult Sitophilus oryzae Linnaeus Coleoptera, Curculionidae. Stored grains are subject to losses in quality nutritional value and in sanitation from the time they are stored to the time they are consumed. Botanical insecticides may offer an alternative solution for pest control.
Essential oils are oils taken from plants and distilled into a highly concentrated form. These oils may be taken from the leaves, flowers or blossoms, roots, or stems of a plant. They have only started to become popular in the United States but have been used in other countries for thousands of years.
Essential oils have been used for generations to ease symptoms of depression, anxiety and insomnia. Some caregivers are now using these trusted oils to ease anxiety, boost memory and improve the mood of loved ones living with dementia. While research on the effectiveness of essential oils is somewhat limited, some studies have shown aromatherapy can:.
I am so insanely excited to share with you a health tool that has been in my home for over four years. My family has gained so much by having high-quality oils in our home and I know it will do the same for yours. These naturally occurring, volatile aromatic compounds are found in the seeds, bark, stems, roots, flowers, and other parts of plants.
Only limited knowledge however is available regarding skin penetration and occlusive potential of oils and common methods for measuring skin moisturization fall short when it comes to the moisturizing effect of oils. OBJECTIVE: In this study we used in vivo confocal Raman microspectroscopy to test the efficacy of paraffin oil mineral oil and two vegetable oils in terms of skin penetration and occlusion. Petrolatum was used as a positive control. METHODS: The products were applied topically on the forearms of nine volunteers and seven infants and Raman spectra were acquired before and at 30 and 90 min following application.