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A Comparative Assessment of Cytotoxic Activity and Phytochemical Profiling of J.L.Ellis and (Burm. F.) Nees Using UPLC-QTOF-MS/MS Approach

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Journal RSC Adv
Specialty Chemistry
Date 2022 May 2
PMID 35492784
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Abstract

(Burm. f.) Nees and J.L.Ellis have traditionally been used to treat various ailments such as mouth ulcers, intermittent fever, inflammation, snake bite. This study compares the comparative cytotoxic activity, and phytochemical profiling of methanol extract of (ANM) and (APM). UPLC-ESI-QTOF-MS/MS analysis has been performed. The cytotoxic activity of crude methanol extracts were evaluated against three different cancer cell lines (HCT 116, HepG2, and A549 cell line). Both plants' extract exhibited significant cytotoxic activity against tested cell lines in a dose-dependent manner. IC of ANM and APM in HCT 116 cell was 11.71 ± 2.48 μg ml and 45.32 ± 0.86 μg ml and in HepG2 cell line was 15.65 ± 2.25 μg ml and 60.32 ± 1.05 μg ml respectively. Cytotoxicity of these two extracts was comparatively similar in A549 cells. ANM induced cytotoxicity involved programmed cell death, externalisation of phosphatidylserine, ROS generation, up-regulation and down-regulation of major apoptotic markers. HRMS analysis of ANM and APM resulted in the identification of 59 and 42 compounds, respectively. Further, using the MS/MS fragmentation approach, 20 compounds, of which 18 compounds were identified for the first time from ANM, which belongs to phenolic acids, flavonoids, and their glycosides. Three known compounds, echioidinin, skullcapflavone I and 5,2',6'-trihydroxy-7-methoxyflavone 2'--β-d-glucopyranoside, were isolated from and their crystal structures were reported for the first time. Subsequently, seven major compounds were identified in by direct comparison (retention time and UV-spectra) with authentic commercial standards and isolated compounds using HPLC-UV analysis. The cytotoxicity of phytochemicals from both the plants using tools also justify their cytotoxic activity. It is the first report on the comparative characterisation of phytochemicals present in the methanolic extract of both the species of , along with the cytotoxic activity of .

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