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    High-performance Thin-layer Chromatography Method Development, Validation, and Simultaneous Quantification of Four Compounds Identified in Standardized Extracts of Orthosiphon stamineus

    Suzana Hashim1, Hooi Kheng Beh2, Mohamad Shahrul Ridzuan Hamil2, Zhari Ismail2, Amin Malik Shah Abdul Majid1★★ Corresponding author

    1. 1Department of Pharmacology, EMAN Research and Testing Laboratories, School of Pharmaceutical Sciences, Universiti Sains Malaysia
    2. 2Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia

    CORRESPONDENCE

    Amin Malik Shah Abdul Majid

    Department of Pharmacology, EMAN Research and Testing Laboratories, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia.

    aminmalikshah@gmail.com

    Volume 8, Issue 4 · pp. 238–243 · PUBLISHED Oct-Dec 2016 · DOI: 10.4103/0974-8490.188872

    View on Pharmacogn. Res. original site ↗

    ABSTRACT

    Context Orthosiphon stamineus is a medicinal herb widely grown in Southeast Asia and tropical countries. It has been used traditionally as a diuretic, abdominal pain, kidney and bladder inflammation, gout, and hypertension. Aims This study aims to develop and validate the high-performance thin layer chromatography (HPTLC) method for quantification of rosmarinic acid (RA), 3’-hydroxy-5,6,7,4’-tetramethoxyflavone (TMF), sinensitin (SIN) and eupatorin (EUP) found in ethanol, 50% ethanol and water extract of O. stamineus leaves. Materials and Methods HPTLC method was conducted using an HPTLC system with a developed mobile phase system of toluene: ethyl acetate: formic acid (3:7:0.1) performed on precoated silica gel 60 F254 TLC plates. The method was validated based on linearity, accuracy, precision, limit of detection, limit of quantification (LOQ), and specificity, respectively. The detection of spots was observed at ultraviolet 254 nm and 366 nm. Results The linearity of RA, TMF, SIN, and EUP were obtained between 10 and 100 ng/spot with high correlation coefficient value (R2) of more than 0.986. The limit of detection was found to be 122.47 ± 3.95 (RA), 43.38 ± 0.79 (SIN), 17.26 ± 1.16 (TMF), and 46.80 ± 1.33 ng/spot (EUP), respectively. Whereas the LOQ was found to be 376.44 ± 6.70 (RA), 131.45 ± 2.39 (SIN), 52.30 ± 2.01 (TMF), and 141.82 ± 1.58 ng/spot (EUP), respectively. Conclusion The proposed method showed good linearity, precision, accuracy, and high sensitivity. Hence, it may be applied in a routine quantification of RA, SIN, TMF, and EUP found in ethanol, 50% of ethanol and water extract of O. stamineus leaves.

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      Hashim, S., Beh, H. K., Hamil, M. S. R., Ismail, Z., & Majid, A. M. S. A. (2016). High-performance Thin-layer Chromatography Method Development, Validation, and Simultaneous Quantification of Four Compounds Identified in Standardized Extracts of Orthosiphon stamineus. Pharmacognosy Research, 8(4), 238–243. https://doi.org/10.4103/0974-8490.188872