Study of Oil Content in Fruits of Wild Olive (Olea caspidata Wall.Ex.G.Don) and Its Potential Commercialization in Nepal

Bhandari, Netra Lal; Chhetri, Krishna Bahadur; Pandey, Durga Prasad; Nayak, Kanchan Kumar

doi:10.3126/jncs.v36i0.33157

J. Nepal Chem. Soc.

2017

DOI: 10.3126/jncs.v36i0.33157

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Study of Oil Content in Fruits of Wild Olive (Olea caspidata Wall.Ex.G.Don) and Its Potential Commercialization in Nepal

Netra Lal Bhandari

Krishna Bahadur Chhetri

Durga Prasad Pandey

et al.

Abstract: available with fulltext.

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Many plants are being used as medicines conventionally from the beginning of ancient civilization to cure many healthrelated complications (Tapsell et al 2006;Bhandari et al 2017). Traditional medicine is used to maintain health as well as to prevent, diagnose, improve or treatment of physical and mental illness (Che et al 2017;Silwal et al 2020;Bhandari et al 2020).

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Phytochemical Screening and Evaluation of Antimicrobial and Antioxidant Activity of Mahonia napaulensis (Jamanemandro) Bark Extract

Paudel

Sharma

Bhandari

et al. 2021

Nepal Journal of Science and Technology

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Mahonia napaulensis also known as “Jamanemandro” in Nepali is a medium-sized stiff evergreen shrub widely distributed in South East Asia at an altitude of 1000-2000m, is traditionally used to treat dysentery and eye inflammation. This research focuses on screening of the phytochemicals, antimicrobial, and antioxidant properties of this plant. The methanolic extract was prepared using a Soxhlet apparatus. The antioxidant properties of extract were carried out by 50% inhibitory concentration (IC50) values from 2-2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging. The phytochemical screening confirmed the presence of terpenoids, reducing sugars, tannins, alkaloids, glycosides including cardiac glycosides and steroids. The antimicrobial activity was studied using the disc diffusion method in five different human pathogens named Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Salmonella typhi, and Shigella spps. The methanol extract was compared with standard chloramphenicol and showed that methanolic extract of is M.napaulensis exhibit maximum effect against S. aureus with higher growth inhibition zones (27.3 mm), followed by P. aeruginosa, Shigella spps., E. coli and S. typhi. These antimicrobial properties showed similar effect to that of positive control, chloramphenicol. The IC50 values from DPPH radical scavenging were 230.89 µg/mL and 182.73 µg/mL of methanol extract and ascorbic acid, respectively. Due to this antimicrobial and antioxidant properties of M. napaulensis it was widely applicable in biomedical field.

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confidence: 99%

Phytochemical Screening and Evaluation of Antimicrobial and Antioxidant Activity of Mahonia napaulensis (Jamanemandro) Bark Extract

Paudel

Sharma

Bhandari

et al. 2021

Nepal Journal of Science and Technology

Self Cite

View full text Add to dashboard Cite

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Study of Oil Content in Fruits of Wild Olive (Olea caspidata Wall.Ex.G.Don) and Its Potential Commercialization in Nepal

Abstract: available with fulltext.

Cited by 1 publication

References 0 publications

Phytochemical Screening and Evaluation of Antimicrobial and Antioxidant Activity of Mahonia napaulensis (Jamanemandro) Bark Extract

Phytochemical Screening and Evaluation of Antimicrobial and Antioxidant Activity of Mahonia napaulensis (Jamanemandro) Bark Extract

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