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The Lamiaceae plant family is one of the largest families among dicotyledons and one of the most diverse and widespread plant families in terms of medicinal value with more than 7

April 25, 2019 0 Comment

The Lamiaceae plant family is one of the largest families among dicotyledons and one of the most diverse and widespread plant families in terms of medicinal value with more than 7,000 species worldwide as stated on Britannica (2015), due to the presence of a volatile oil concentration – an important component in pesticides and pharmaceutical products (Venkateshappa and Sreenath, 2013).
Through the recent reports of Lamiaceae species possessing a wide range of biological activity, and a wide diversity of phytochemicals (Vladimir-Kneževi? et. al., 2014), several studies have been conducted to evaluate the insecticidal property of plant extracts (Mamadalieva et al., 2017). One of these findings was by Kumari et al. (2016) which stated that these plants are rich sources of chemicals in the form of primary and secondary metabolites identified through phytochemical screening.
As for further research, an article on preliminary phytochemicals was carried out to exhibit its pesticidal properties and its efficacy on five (5) plant species which includes one of the Lamiaceae family – V. negundo. The insecticidal properties of the examined five (5) plants was considered to be dose dependent, evident in the results. Furthermore, a study by Regina et al. (2015) used thirteen (13) of the Lamiaceae family to assess the species’ ethnobotany, ethnopharmacognosy and biological activities. It focused on the following Lamiaceae species: leucas martinicensis (J.) R. Br, Hoslundia opposita Vahl., Orthosiphon pallidus R. ex B., Mentha viridis L., Mentha piperita L., Mentha aquatica L., Ocimum americanum L., Ocimum basilicum L., Solenostemon rotundifolius (Poir.) J. K. Morton, Solenostemon monostashyus (P.Beauv.) Brig, Hyptis spicigera Lam., Hyptis suaveolens (L.) Poit.) and Tinnea barteri Gürke. Through the phytochemical screening – one of the procedures done for the data collection, showed the presence of bioactive properties such as flavonoids, sterols/triterpenes, tannins, saponins, alkaloids, reducing sugars, cardiac glycosides and proteins in the extracts. In fact, due to these high content of volatile compounds from these plants, medicinal and insecticidal properties are often being attributed (Khoury et al., 2016).
In addition, a common herbs – a part of the Lamiaceae family was investigated as well, due to its insecticidal properties. The study by Kumar et al., (2011) Mentha (mint) – an aromatic medicinal plant from this family was used. It was considered to be more effective than the most common active ingredient in insect repellents which provides protection against Callosobruchus maculatus and Tribolium castaneum and as well as other stored grain pests (Tripathi et al., 2000; Patience et al., (2018).
However, they would want to further discover and identify the bioactive compounds present and carry out a detailed analysis on the potentials of different species – one of which is the V. negundo (Lagundi) Singh et al. (1999).

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