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- W1769429407 abstract "This paper presents the studies performed on extraction of Orthosiphon stamineus, Benth by using different solvent for the identification and quantification of the caffeic acid derivatives such as caffeic acid and rosmarinic acid which confers to the leaves of this plant with remarkable pharmaceutical properties. High performance thin-layer chromatographic (HPTLC) allows the identification and the quantification of more than 20 samples in the same chromatographic run. The analysis of the samples requires 15-30 min compared with more than 2 h using a typical HPLC method. Using the techniques of the HPTLC and the UV-VIS spectra we have found that the extraction of this herb plant contain, the caffeic acid and rosmarinic acid ranging between 0.029% up to 0.506% and up to 0.24% to 2.24% respectively. Keywords: Caffice acid derivatives, quantification, Malaysian Orthosiphon stamineus, HPTLC" @default.
- W1769429407 created "2016-06-24" @default.
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- W1769429407 date "2010-06-20" @default.
- W1769429407 modified "2023-09-30" @default.
- W1769429407 title "HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHIC DETERMINATION OF CAFFEIC ACID AND ROSMARINIC ACID FROM THE LEAVES OF Orthosiphon stamineus" @default.
- W1769429407 doi "https://doi.org/10.22146/ijc.21575" @default.
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