International Journal For Multidisciplinary Research

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GC–MS-Based Metabolite Profiling and Evaluation of Antioxidant and Antimicrobial Activities of Litsea glutinosa (Lour.) C.B. Rob. Bark from Garo Hills, Meghalaya

Author(s) Ms. Bonchi D Marak, Dr. Amilia Nongbet
Country India
Abstract Litsea glutinosa (Lour.) C.B. Rob., a species in the family Lauraceae, is an underutilized medicinal plant having considerable ethnobotanical significance in traditional therapeutic practices. The current study was undertaken to assess the antioxidant and phytochemical characterization and investigate the pharmacological potential of L. glutinosa using the extract of root bark. The solvents of varying polarity were used for performing the phytochemical characterization, such as methanol (MeOH), ethanol (EtOH), hexane (Hex), ethyl acetate (Et Ac), and water (Aq). Initial phytochemical analysis has indicated a significant existence of phenolics and flavonoids, implying the substantial antioxidant capacity. The TPC was found to be highest in Et Ac solvent (0.165 ± 0.01 (mg GAE/g dry weight ± SD)) and the least in n-Hex (0.045 ± 0.04 (mg GAE/g dry weight ± SD)), whereas TFC was found to be highest in MeOH extract (283.5 ± 0.001 (mg QE/g dry weight ± SD)) and lowest in (47.8 ± 0.001 (mg QE/g dry weight ± SD)) quantified using the Folin-Ciocalteu reagent and AlCl₃ colorimetric techniques, respectively, suggesting a significant presence of bioactive phytochemicals. Moreover, the antioxidant study using DPPH radical scavenging activity was found to be highest in the MeOH extract with the IC50 value of 15.26 µg/ml and the least in the Hex extract with the IC50 value of 99.72 µg/ml. Furthermore, GC-MS profiling of the bark extract revealed a wide spectrum of bioactive components, viz., naphthalene; myrtenyl angelate; Z,Z-6,28-heptatriactontadien-2-one; ButanoicAcid,2-Methyl-,2-Methyl-2-Propenyl Ester; Hentriacontane; heptacosanoic acid, 25-Methyl-, Methyl Ester, etc., many of which were previously linked to pharmacological activity in the past. These compounds highlighted the therapeutic potentiality of L. glutinosa, particularly in its anti-inflammatory, antibacterial, antioxidant, and potentially anticancer qualities. In addition, the FTIR analysis for methanol extract has revealed various different types of functional groups, viz., alcohols, phenols, alkanes, alkyls, carboxylic acids, esters, ethers, and halo compounds. The Minimum Inhibition Concentration (MIC) performed using 2 bacterial and 2 fungal strains has shown an MIC % of inhibition variations in 3 concentrations taken, i.e., 1000-250 µg/ml, showing the potentiality of inhibiting the growth of bacteria and fungi tested. The results of this study provide support to the traditional applications of L. glutinosa bark and encourage more research into the plant as a possible source of new bioactive compounds to be used in pharmaceutics.
Keywords Litsea glutinosa (Lour.) C.B. Rob., medicinal herb, phytochemistry, GC-MS, FTIR.
Field Biology
Published In Volume 8, Issue 3, May-June 2026
Published On 2026-05-29
DOI https://doi.org/10.36948/ijfmr.2026.v08i03.79706

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