Cytoprotective activity of Pogonatherum paniceum (Lam.) Hack. ethanolic extract evaluated by synchrotron radiation-based Fourier transform infrared microspectroscopy

doi:10.1016/j.joim.2025.02.001

Journal of Integrative Medicine ›› 2025, Vol. 23 ›› Issue (2): 182-194.doi: 10.1016/j.joim.2025.02.001

• Original Experimental Research • Previous Articles Next Articles

Cytoprotective activity of Pogonatherum paniceum (Lam.) Hack. ethanolic extract evaluated by synchrotron radiation-based Fourier transform infrared microspectroscopy

Benjawan Dunkhunthod ^a, Kanjana Thumanu ^b, Yothin Teethaisong ^c, Priyada Sittisart ^d, Patcharawan Sittisart ^e

a. Thai Traditional Medicine Program, Faculty of Nursing and Allied Health Sciences, Phetchaburi Rajabhat University, Phetchaburi 76000, Thailand
b. Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima 30000, Thailand
c. Department of Medical Sciences, Faculty of Allied Health Sciences, Burapha University, Chonburi 20131, Thailand
d. Department of Agricultural Technology, Faculty of Science and Arts, Burapha University, Chanthaburi Campus, Chanthaburi 22170, Thailand
e. Division of Environmental Science, Faculty of Liberal Arts and Science, Sisaket Rajabhat University, Sisaket 33000, Thailand

Received:2024-04-06 Accepted:2024-12-02 Online:2025-04-25 Published:2025-04-25
Contact: Patcharawan Sittisart E-mail:Patcharawan.s@sskru.ac.th

Abstract

Objective
The present study investigated the cytoprotective effects of a Pogonatherum paniceum extract prepared with 80% ethanol (PPE) using synchrotron radiation-based Fourier transform infrared (SR-FTIR) microspectroscopy and determined its phytochemical profile.
Methods
The volatile and polyphenolic compounds in PPE were characterized using gas chromatography–mass spectrometry and liquid chromatography–mass spectrometry, respectively. The antioxidant capacity of PPE was evaluated using chemical and cell-based assays. The SR-FTIR microspectroscopy was performed to evaluate the cytoprotective effect of PPE by identifying changes in macromolecule composition in tert-butyl hydroperoxide (tBuOOH)-induced oxidative damage in RAW264.7 cells.
Results
A total of 48 volatile compounds and 28 polyphenol components were found in PPE. PPE exhibited a high potential for antioxidant activity by scavenging the intracellular reactive oxygen species in tBuOOH-induced oxidative damage in RAW264.7 cells. PPE treatment also significantly protected RAW264.7 cells against tBuOOH-induced toxicity and restored cell viability. The SR-FTIR analysis revealed that tBuOOH increased the lipid and ester lipid content in RAW264.7 cells. The PPE exerted a cytoprotective effect by decreasing the levels of lipid and ester lipid compounds that had been elevated by tBuOOH in RAW264.7 cells. These findings indicate that PPE has cytoprotective potential due to its ability to inhibit endogenous reactive oxygen species.
Conclusion
This study extends the current knowledge on the phytochemistry of PPE and its antioxidant and cytoprotective effects. These findings support the use of SR-FTIR microspectroscopy to determine the cytoprotective effects of natural products. PPE extract may be a candidate compound for new therapeutics and nutraceuticals that target the prevention of oxidative stress-associated diseases.

Key words: Pogonatherum paniceum, Reactive oxygen species, Antioxidant, Phytochemical, Cytoprotective, Synchrotron radiation-based Fourier transform infrared microspectroscopy

Benjawan Dunkhunthod, Kanjana Thumanu, Yothin Teethaisong, Priyada Sittisart, Patcharawan Sittisart. Cytoprotective activity of Pogonatherum paniceum (Lam.) Hack. ethanolic extract evaluated by synchrotron radiation-based Fourier transform infrared microspectroscopy. Journal of Integrative Medicine, 2025, 23(2): 182-194.

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URL: http://www.jcimjournal.com/EN/10.1016/j.joim.2025.02.001

http://www.jcimjournal.com/EN/Y2025/V23/I2/182

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Cytoprotective activity of Pogonatherum paniceum (Lam.) Hack. ethanolic extract evaluated by synchrotron radiation-based Fourier transform infrared microspectroscopy

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