Om Prakash

ORCID: 0000-0002-2767-6997
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Research Areas
  • Essential Oils and Antimicrobial Activity
  • Phytochemistry and Biological Activities
  • Phytochemicals and Antioxidant Activities
  • Ginger and Zingiberaceae research
  • Ethnobotanical and Medicinal Plants Studies
  • Insect Pest Control Strategies
  • Natural Antidiabetic Agents Studies
  • Piperaceae Chemical and Biological Studies
  • Pharmacological Effects of Natural Compounds
  • Natural product bioactivities and synthesis
  • Plant Pathogens and Fungal Diseases
  • Medicinal Plants and Neuroprotection
  • Phytochemicals and Medicinal Plants
  • Banana Cultivation and Research
  • Complementary and Alternative Medicine Studies
  • Drug-Induced Hepatotoxicity and Protection
  • Curcumin's Biomedical Applications
  • Moringa oleifera research and applications
  • African Botany and Ecology Studies
  • Herbal Medicine Research Studies
  • Agricultural Economics and Practices
  • Biochemical and biochemical processes
  • Bioactive natural compounds
  • Plant biochemistry and biosynthesis
  • Chemical Synthesis and Reactions

Govind Ballabh Pant University of Agriculture and Technology
2016-2025

Defence Institute of Bio-Energy Research
2024

Indian Institute of Technology Delhi
2024

Ministry of AYUSH
2018-2023

Academy of Scientific and Innovative Research
2021

Central Food Technological Research Institute
2021

Institute of Human Behaviour and Allied Sciences
2020

Sify Technologies (India)
2019

Atal Bihari Vajpayee Indian Institute of Information Technology and Management
2019

Kerala Veterinary and Animal Sciences University
2017

Abstract A phytochemical study of the rhizome essential oils four different Hedychium species was performed by means GC and GC/MS analyses. H. ellipticum mainly contained 1,8‐cineole, sabinene, terpin‐4‐ol, while aurantiacum possessed para ‐cymene, bornyl acetate as major entities. Similarly, trans‐meta ‐mentha‐2,8‐diene linalool were noticed in coronarium. Three collections ( I – III ) spicatum showed amazing differences relative contents their oils, 1,8‐cineole 10‐epi‐ γ ‐eudesmol being...

10.1002/cbdv.200890027 article EN Chemistry & Biodiversity 2008-02-01

Abstract This study includes a comparative investigation to analyze the phytochemical composition, nematicidal efficacy, in vitro AChE inhibitory activity, and molecular docking of Leucosceptrum canum . (LC) extracts. Various polarity solvent extracts including hexane (LCHE), dichloromethane (LCDE), methanol (LCME) were prepared from LC aerial parts using Soxhlet extraction. Phytochemical analysis was done GC‐MS technique identify quantify presence bioactive compounds revealing that LCHE is...

10.1002/slct.202500108 article EN ChemistrySelect 2025-02-01

AbstractAbstractZanthoxylum armatum DC. is a medicinally important deciduous shrub belonging to the family Rutaceae, which widely distributed in Eastern and South Asia. The aim of present study was assess chemical composition essential oil bark Z. collected from three different altitudes Kumaun region, Uttarakhand, India, determine antioxidant, vitro anti-inflammatory antibacterial activity oils. plant material subjected hydro-distillation using Clevenger apparatus order obtained volatile...

10.1080/0972060x.2019.1630015 article EN Journal of Essential Oil Bearing Plants 2019-05-04

The aim of present study was to evaluate chemical composition and different biological activities viz., pharmacological antioxidant essential oils. oils determined by gas chromatography/mass spectrometry while were evaluated standard protocols. Essential Hedychium spicatum Sm. from two ecological niches viz; Nainital (Site-I) Himachal Pradesh (Site-II) India revealed the qualitative quantitative chemo-diversity. Both dominated oxygenated terpenoids. Major marker compounds identified...

10.1590/0001-3765202220210932 article EN cc-by Anais da Academia Brasileira de Ciências 2022-01-01

Abstract The essential oil obtained from rhizomes of Hedychium coronarium Koenig and spicatum Buch-Ham. growing wildly in Kumaun region central Himalaya were analysed by GC GC-MS. Forty six compounds representing 98.7 % H. identified. main components identified linalool (29.3 %), limonene (20.3 trans-meta-mentha,2,8diene (12.9 γ-terpinene (8.9 %) 10-epi-γ-eudismol (3.8 %).Thirty accounting 87.4 identified.The major constituents 1,8-cineole (17.6 α-eudesmol (17 (9.7%), δ-cadinene (7.5 cubenol...

10.1080/0972060x.2010.10643819 article EN Journal of Essential Oil Bearing Plants 2010-01-01

The chemical composition of hydro-distilled essential oil from rhizomes Curcuma amada was analysed. Nineteen compounds representing 77.31% the total were identified by GC and GC-MS. Rhizomes extracted various solvents with different polarities using antioxidant assay systems. petroleum ether extract showed potent DPPH radical scavenging activities (IC50 = 18.98 ± 0.05) reducing power (A700 0.861 0.001). Ethyl acetate exhibited remarkable nitric oxide activity (IC 50 5.97 0.09) higher than...

10.1080/23312009.2016.1168067 article EN Cogent Chemistry 2016-04-13

The study was performed to check the chemical, antioxidant, antimicrobial and protein binding qualities of hydro-ethanolic extract Tinospora cordifolia (TC). In qualitative quantitative analysis extract, major compounds were tinocordioside, cordifolide A, palmatine, quercetin, β-sitosterol, heptacosanol, syringin. Hydro-ethanolic TC exhibited low antibacterial antifungal activities. Excellent antioxidant activities (60–80 %) noticed for various assays viz DPPH...

10.1080/22311866.2018.1485513 article EN Journal of Biologically Active Products from Nature 2018-05-04

Present research reports chemical composition, antioxidant, anti-inflammatory insect anti-feedant, and sprout suppressant activity in essential oil from aerial parts of Cotinus coggygria Scop. (syn. Rhus cotinus) growing widely Uttarakhand, Himalaya. C. is commonly known as 'smoke tree' or bush' due to its flowers those give the smoke like appearance. It an ornamental plant with many medicinal usages. GC/MS analysis identified over 52 compounds, which contributed 96 % total oil. The...

10.1080/0972060x.2020.1729246 article EN Journal of Essential Oil Bearing Plants 2020-01-02

Micromeria biflora Benth. (Lamiaceae) is an important medicinal herb used widely for treating the ailments like nose bleeds, toothaches, wounds, and sinusitis. The essential oil (EO) of collected from Bageshwar, Uttarakhand in India was examined by GC GC/MS, which contributed 97.1% total oil. EO found to be dominated E-caryophyllene (19.6%), geranial (16.2%), neral (11.5%) caryophyllene oxide (10.8%). studied antioxidant, antiamylase, nematicidal, antifeedant, insecticidal, antimicrobial...

10.1080/0972060x.2023.2202336 article EN Journal of Essential Oil Bearing Plants 2023-03-04

The essential oils from fresh aerial parts of Mentha spicata L. collected ten different natural habitats Uttarakhand, India were analyzed by a combination GC, GC/MS and NMR spectroscopy. analysis revealed that monoterpenoids (46.1%-91.6%), mainly carvone (15.3%-68.5%), piperetenone oxide (24.0%-79.2%) alpha-humulene (0.1%-29.9%), the major constituents oils, but with significant qualitative quantitative differences among other constituents. Cluster oil composition was carried out in order to...

10.1177/1934578x1100600938 article EN Natural Product Communications 2011-09-01

The volatile constituents of the rhizomes and aerial parts Globba sessiliflora Sims were analyzed by a combination gas chromatography (GC) chromatography–mass spectrometry (GC–MS). major identified in rhizome oil β-caryophyllene (20.1%), α-cadinol (14.7%), selin-11-en-4α-ol (12.0%), caryophyllene oxide (8.6%), γ-eudesmol (7.1%) myrcene (4.7%). from part contained (15.8%), (12.3%), (11.0%), β-longipinene (10.9), manool (8.1%), germacrene D (5.2%) β-eudesmol (4.1%) as constituents. Both oils...

10.1080/10412905.2012.692915 article EN Journal of Essential Oil Research 2012-07-09
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