The fumigant toxicity of various essential oils and selected monoterpenoid components were tested against the adult German cockroach, Blattella germanica (L.) (Dictyoptera: Blattellidae). Responses varied according to plant material, concentration, and exposure time. High insecticidal activity against adult B. germanica specimens was achieved with allyl isothiocyanate (component of horseradish)...

Efficacy of Cinnamon bark oil vapour (Cinnamomam verum Presl.) and Citronella oil vapour (Cymbopogon nardus L.) were evaluated for the control of infestations of Callosobruchus chinensis L in bulk stored green gram. Both oils were used at 5ml and 10ml/5kg of seeds in 3L plastic baskets. Oviposition and damaged seeds were detected for up to two months of period. At the end of the storage period,...

To study the rules of ant behavior and group-formation phenomena, we examined the behaviors of Camponotus japonicus, a species of large ant, in a range of situations. For these experiments, ants were placed inside a rectangular chamber with a single exit that also contained a filter paper soaked in citronella oil, a powerful repellent. The ants formed several groups as they moved toward the exi...

Background: Indonesia is the one of tropical climate country with high air humidity. It becomes main factor fungal infection, that called otomycosis, which caused by Aspergillus flavus. The treatment otomycosis usually done giving an azole antifungal drugs can give beneficial and adverse effects. Treatment be various kinds herbs. One herbs used, it citronella. Citronella contains essential oil ...

Efficacy of 25 essential oils was screened against filarial vector, Culex quinquefasciatus, for their larvicidal and knockdown effects in a preliminary study. Of these, 8 oils viz. calamus oil, cinnamon oil, citronella oil, clove oil, eucalyptus oil, lemon oil, mentha oil and orange oil exhibited 100% larvicidal activity at 1000 ppm and 100% knockdown effect at 10% concentration. These 8 oils w...

Essential oil inside beverage emulsion became an interesting subject to get a new value for the fast-moving customer goods (FMCG) market. In this study, kaffir lime (KFO) physicochemical stanility properties and antibacterial test on formulation of in water emulsions was investigated. The main ingredients are 800 ml water, 100 mL high fructose corn syrup (HFCS),5 grams arabic gum as emulsifier,...

Bioadditives are elements derived from plants that used as additives to improve fuel quality. Citronella oil is one type of essential has been studied for its potential a bio additive because volatility and ability dissolve into fuel. The purpose using this bioadditive increase engine performance. This research was conducted an experimental method, some the samples tested consisted pertalite fu...