Evaluation of smoke from mosquito coils containing Malaysian plants against Aedes aegypti

Jantan, Ibrahim; Zaki, Z. M.; Ahmad, Abdul Rashih; Raza, Ahmad

doi:10.1016/s0367-326x(99)00026-x

Cited by 25 publications

(13 citation statements)

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“…In fact, some previous studies have shown that quite different plant secondary metabolites, especially those that are volatile under hydrodistillation conditions (essential oils), express significant repellent effects against different insects [26]. As an example, high repellent activity of Cymbopogan nardus oil against Ades aegypti could be used [27].…”

Section: Resultsmentioning

confidence: 99%

Chemical composition and mosquito repellent activity of the essential oil of Plectranthus incanus link

Pal

Tewari

2011

Facta Univ Phys Chem Technol

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The chemical composition of the essential oil obtained from the leaves of Plectranthus incanus Link, with the yield of 0.6% (w/v), was analyzed by GC and GC/MS. A total of 16 constituents, representing 95.2% of the oil, were identified. The major components of the oil were fenchone (6.0%), piperitone oxide (32.4%), piperitenone (3.0%) and piperitenone oxide (41.5%). The repellent activity of the volatile oil at different concentrations was measured by the protection period against the bites of Anopheles stephensi and Culex fatigans. The tested oil had stronger repellent activity than citronella oil, which was used as a positive control. LC50 (30 min) for P. incanus oil against An. stephensi and C. fatigans were 23.8 and 19.6 μl/L air, respectively, whereas LC50 of citronella oil were 31.7 and 31.0 μl/L air. Thus, P. incanus may be regarded as a potential valuable source of chemicals that have strong mosquito repellent activity, and could be used for the preparation of mosquito repellent formulations

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Section: Resultsmentioning

confidence: 99%

Chemical composition and mosquito repellent activity of the essential oil of Plectranthus incanus link

Pal

Tewari

2011

Facta Univ Phys Chem Technol

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“…In fact, selected plants and their essential oils have been evaluated as natural sources for controlling storage fungi. Some of the aromatic plants which are widely distributed in the tropical zone and exhibit fungicidal activities, have traditionally been used as flavoring agents in native dishes, and as incense, insect repellents and folk medicine 2,6 .…”

Section: Introductionmentioning

confidence: 99%

Chemical Composition and Antifungal Activity of Essential Oil from Cymbopogon nardus (Citronella Grass)

Nakahara

Al-zoreky

Yoshihashi

et al. 2013

JARQ

191

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The objective of this study was to elucidate the chemical composition of essential oil from Cymbopogon nardus (citronella oil) and its antifungal activity. Chemical composition of the citronella oil was determined by capillary gas chromatography (GC) and GC/ mass spectrometry. Major constituents of the oil were geraniol (35.7% of total volatiles), trans-citral (22.7%), cis-citral (14.2%), geranyl acetate (9.7%), citronellal (5.8%) and citronellol (4.6%). The antifungal assay using the vapor-agar contact method showed that the crude essential oil markedly suppressed the growth of several species of Aspergillus, Penicillium and Eurotium at a dose of 250 mg/L in air. The most active compounds among the 16 examined volatiles, consisting of 6 major constituents of the essential oil and 10 other related monoterpenes were citronellal and linalool. Citronellal and linalool completely inhibited the growth of all tested fungal strains at a dose of 112 mg/L. Their minimum inhibitory doses ranged from 14 to 56 mg/L. The αand βpinenes showed an inhibitory activity against some fungi, whereas the other 8 volatile compounds lacked this property.

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“…The efficacy of citronella oil against various insect species has been noted as a repellent, an antifeedant, and an oviposition deterrent. Some studies indicated that citronella oil is effective in repelling mosquito Aedes aegypti (Jantan and Zaki 1999), Spodoptera frugiperda (Labinas and Crocomo 2002), and as antifungal and antibacterial (Nakahara et al 2003;Pattnaik et al 2006). Citronella oil is extracted from Cymbopogon nardus (also known as Andropogon nardus) of the Gramineae (Poaceae) family.…”

Section: Introductionmentioning

confidence: 99%

LABORATORY AND FIELD EVALUATION OF ESSENTIAL OILS FROM Cymbopogon nardus AS OVIPOSITION DETERRENT AND OVICIDAL ACTIVITIES AGAINST Helicoverpa armigera Hubner ON CHILI PEPPER

Setiawati¹,

Murtiningsih²,

Hasyim³

2011

Indones. J. Agric. Sci.

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The fruit borer (Helicoverpa armigera Hubner) is one of the key pests of chili pepper in Indonesia. Yield loss due to this insect pest may reach up to 60%. Chemical treatment for controlling this insect pest is ineffective and eventually leads to environmental pollution. More environmentally safe insecticides are developed based on natural plant ingredients as their active compound such as essential oils. This study aimed to assess the potential of citronella oil for managing H. armigera on chili pepper. The experiments were conducted at the Indonesian A field experiment was designed in a randomized complete block design with five treatments and replicated five times. Citronella oil was extracted by steam distillation from Cymbopogon nardus. The oil was then chemically characterized by using GC-MS and its efficacy (ovicidal and feeding deterrent) against H. armigera was tested both in laboratory and field conditions. The GC-MS result showed that major chemical compounds of the citronella oil used were citronella (35.97%), nerol (17.28%), citronellol (10.03%), geranyle acetate (4.44%), elemol (4.38%), limonene (3.98%), and citronnellyle acetate (3.51%). The laboratory experiment revealed that the highest concentration (4,000 ppm) of citronella oil reduced egg laying by 53-66%. Ovicidal activity was concentration dependent, and egg hatchability decreased by 15-95% compared to control. The field experiment showed that treatment of citronella oil at 2.0 mL L -1 significantly reduced fruit damage by H. armigera similar to the plots treated with spinosad at the recommended dose (60 g ai ha -1 ). Application of citronella oil significantly reduced fruit damage by 72% and increased quality of the chili pepper. Because oviposition and feeding deterrent properties are key factors in controlling the pest, therefore this study revealed that citronella oil has potential to be incorporated into the controlling program of H. armigera on chili pepper.

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Evaluation of smoke from mosquito coils containing Malaysian plants against Aedes aegypti

Cited by 25 publications

References 1 publication

Chemical composition and mosquito repellent activity of the essential oil of Plectranthus incanus link

Chemical composition and mosquito repellent activity of the essential oil of Plectranthus incanus link

Chemical Composition and Antifungal Activity of Essential Oil from Cymbopogon nardus (Citronella Grass)

LABORATORY AND FIELD EVALUATION OF ESSENTIAL OILS FROM Cymbopogon nardus AS OVIPOSITION DETERRENT AND OVICIDAL ACTIVITIES AGAINST Helicoverpa armigera Hubner ON CHILI PEPPER

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