Mosquitocidal activities of octacosane from Moschosma polystachyum Linn. (lamiaceae)

A New Cyclopentylidene and Other Chemical Constituents from Malaysian Crotalaria pallida

“…The 13 C NMR spectrum displayed five carbon signals attributed to twenty-eight carbons, with signal at δ C 14.4 assigned to the terminal methyl C(1) and C(28) and four other signals at δ C 23.0 (C-2 and C-27), 32.2 (C-3 and C-26), 29.6 (C-4 and C-25) and 30.0 (C-5 to C-24) assigned to the methylene carbons. Octacosane (3) is a known hydrocarbon and was previously isolated from other plants such as Euphorbia esula, Heracleum sphondylium and Moschosma polystachyum (Farnsworth et al 1968;Lawrie et al 1968;Rajkumar & Jebanesan 2004) and was reported to display mosquitocidal activity. The experimental data were similar with those of the reported data (Sigma-Aldrich 2017; Speight et al 2011).…”

Acute toxicity and repellent activity of the Origanum scabrum Boiss. & Heldr. (Lamiaceae) essential oil against four mosquito vectors of public health importance and its biosafety on non-target aquatic organisms

“…Good examples are the larvicidal EOs obtained from Clausena anisata (Govindarajan 2010b), Coleus aromaticus (Govindarajan et al 2013b), Dalbergia sisoo (Ansari et al 2000a), Hyptis martiusii (Araujo et al 2003), Hyptis suaveolens (Sakthivadivel et al 2015), Lavandula gibsoni (Kulkarni et al 2013), Lippia sidoides (Lima et al 2013), Moschosma polystachyum (Rajkumar and Jebanesan 2004), Mentha spicata (Govindarajan et al 2012), Mentha piperita (Ansari et al 2000b), Mentha longifolia (Pavela et al 2014), Ocimum basilicum (Govindarajan et al 2013a), Ocimum selloi (Padilha de Paula et al 2003), Ocimum americanum (Tawatsin et al 2001), Ocimum gratissimum (Cavalcanti et al 2004), Ocimum sanctum (Gbolade and Lockwood 2008), Plectranthus barbatus ), Plectranthus ambonicus (Lima et al 2011), Plectranthus mollis (Kulkarni et al 2013), Pogostemon cablin (Trongtokit et al 2005), Pulegium vulgare (Pavela et al 2014), Rosmarinus officinalis (Prajapati et al 2005), Satureja hortensis (Pavela 2009), Tagetus minuta (Perich et al 1995), Thymus vulgaris (El-Akhal et al 2016), Thymus leucospermus, Thymus teucrioides (Pitarokili et al 2011), Vitex agnus castus (Cetin et al 2011), and others (Cheng et al 2003;Traboulsi et al 2005;Pavela et al 2014).…”

Ovicidal and repellent activities of botanical extracts against Culex quinquefasciatus, Aedes aegypti and Anopheles stephensi (Diptera: Culicidae)

“…It is believed that insect resistance is less likely to occur because many botanicals contain multiactive principles. The pest control principles include properties of insecticide, antifeedant, repellent, chemosterilant, attractant, juvenile and anti-juvenile hormone, moulting and antimoulting hormone, nematicide, rodenticide, fungicide and bactericide [9][10][11] . Sivagnaname and Kalyanasundaram [12] evaluated the methanolic extracts of the leaves of Atlanta monophylla (Rutaceae) for mosquitocidal activity against immature stages of three mosquito species, Cx.…”

“…The repellent activity of active compound octacosane was from Moschosma polystachyum against the vector Cx. quinquefasciatus [23] . The essential oil of Zingiber officinalis was used as a mosquito larvicidal and repellent agent against the filarial vector Cx.…”