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Vol. 38 No. 4 (2026): Vol 38 Issue 4, 2026

Copyright (c) 2026 Namita Joshi

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Phytochemical Screening, Isolation and Characterisation of Phytoconstituents of Lagerstroemia lanceolata

https://doi.org/10.14233/ajchem.2026.35390
Namita Joshi
College of Pharmacy, Graphic Era Hill University, Bhimtal-263132, India; Centre for Promotion of Research, Graphic Era (Deemed to be) University, Dehradun-248002, India
https://orcid.org/0000-0002-5277-8119
Neha Joshi
College of Pharmacy, Graphic Era Hill University, Bhimtal-263132, India; Centre for Promotion of Research, Graphic Era (Deemed to be) University, Dehradun-248002, India
https://orcid.org/0000-0002-3335-672X
Himanshu Joshi
College of Pharmacy, Graphic Era Hill University, Bhimtal-263132, India; Centre for Promotion of Research, Graphic Era (Deemed to be) University, Dehradun-248002, India
https://orcid.org/0000-0003-0016-8420

Corresponding Author(s) : Namita Joshi

namita.joshi5@gmail.com

Asian Journal of Chemistry, Vol. 38 No. 4 (2026): Vol 38 Issue 4, 2026

Abstract

The present study focuses on the phytochemical screening, isolation and characterisation of phytoconstituents from Lagerstroemia lanceolata, a medicinally significant species known for its diverse therapeutic applications. Preliminary phytochemical evaluation of the methanolic extract confirmed the presence of major secondary metabolites, prompting further purification. Thin layer chromatography (TLC) was employed to optimize the solvent system for separation, where the mobile phase toluene:ethyl acetate (7.5:2.5) provided superior resolution of phytoconstituents. Based on the TLC analysis, column chromatography resulted in the isolation of three pentacyclic triterpenoids, namely oleanolic acid, ursolic acid and corosolic acid. Structural elucidation and confirmation of purity were achieved using a combination of spectroscopic techniques, including IR, 1H NMR, 13C NMR and LC-MS.

Keywords

Lagerstroemia lanceolata Wall. Column chromatography Oleanolic acid Ursolic acid Corosolic acid
(1)
Joshi, N.; Joshi, N.; Joshi, H. Phytochemical Screening, Isolation and Characterisation of Phytoconstituents of Lagerstroemia Lanceolata. ajc 2026, 38, 1038-1044.
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