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potential for glioblastoma treatment and chemo preventive agents used in veterinary clinic for cancer treatment mainly in lung, breast, pancreas, colon, and skin
cancer (Ong et al. 2017).
6.3.2 Geraniol
Geraniol (C 10 H 18 O) is acyclic monoterpene alcohol; it is a mixture of two isomers
termed as geraniol (trans) and nerol (cis). Geraniol richly found in Palmarosa oil
while nerol obtained from neroli (Clark 1998) and possesses biological activities as
antifeedant properties and pest control agents (Papachristos et al. 2004). Besides, it
has a potential to inhibit the growth of parasites against zoonosis disease (Hierro
et al. 2006) also shows chemotherapeutic activity towards pancreatic and other cancers (Burke et al. 1997).
6.3.3 Alpha-Pinene
Alpha-pinene (C 10 H 16 ) is bicyclic compound distributed in the diversity of medicinal plants and coniferous trees. Pinene act as insect repellent properties to protect
the plants (Huang et  al. 2013) Also, α-pinene has been used in pharmaceutical
industries as an antioxidant, anti-inflammatory, antibiotic, bronchodilator, hypoglycemic, antiulcerogenic, and gastroprotective agent (de Almeida et al. 2015).
6.3.4 Terpinen
Terpinen-4-ol (C 10 H 18 O) is a secondary metabolite, mainly found in essential oil
extracted from aromatic plants such as tea, mandarins, oranges, black pepper, and
some vegetables. It is a most active ingredient and shows the potential as an antifungal agent, bactericidal, antitumor, anticancer, and anti-mites (Tighe et al. 2013).
6.3.5 Camphene
Camphene (C 10 H 16 ) is a bicyclic monoterpene compound, volatile and soluble in
common organic solvents. It is mainly found in essential oil of Zingiber officinale,
Chrysanthemum, Liquidamar species, Rosmarinus offinialis, and other plants. It has
a great potential to prevent the cardiovascular disease by control of hyperlipidemia
(Vallianou et al. 2011).
A. Kumar et al.
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