Identification of Apigenin and Luteolin in Artemisia annua L. for the Quality Control

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Rattana Phadungrakwittaya
http://orcid.org/0000-0002-8107-4946
Sirikul Chotewuttakorn
http://orcid.org/0000-0003-0949-6949
Panachai Piwtong
http://orcid.org/0000-0003-4067-8353
Onusa Thamsermsang
http://orcid.org/0000-0002-7566-8238
Tawee Laohapand
http://orcid.org/0000-0002-9055-2540
Pravit Akarasereenont

Abstract

Objective: To identify active compounds and establish the chemical fingerprint of Artemisia annua L. for the quality control.
Methods: Thin-layer chromatography (TLC) conditions were developed to screen for 2 common flavonoids (apigenin and luteolin). Three mobile phases were used to isolate these flavonoids in 80% ethanolic extract of A. annua. Hexane : ethyl acetate : acetic acid (31:14:5, v/v) and toluene : 1,4-dioxane : acetic acid (90:25:4, v/v) were used in normal phase TLC (NP-TLC), and 5.5% formic acid in water : methanol (50:50, v/v) were used in reverse phase TLC (RP-TLC). Chromatograms were visualized under visible light after spraying with Fast Blue B Salt. Apigenin and luteolin bands were checked by comparing their Rf values and UV-Vis absorption spectra with reference markers.
Results: Apigenin and luteolin were simultaneously detected with good specificity in RP-TLC condition, while only apigenin was detected in NP-TLC condition. Apigenin band intensity was higher than luteolin band intensity in both conditions.
Conclusion: This knowledge can be applied to the development of quality control assessments to ensure product efficacy and consistency.

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How to Cite
Phadungrakwittaya, R., Chotewuttakorn, S., Piwtong, P., Thamsermsang, O., Laohapand, T., & Akarasereenont, P. (2019). Identification of Apigenin and Luteolin in Artemisia annua L. for the Quality Control. Siriraj Medical Journal, 71(3), 240–245. https://doi.org/10.33192/Smj.2019.37
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Original Article