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Figure 1: (a) High performance liquid chromatography chromatogram of standard trigonelline and (b) high performance liquid chromatography chromatogram of Trigonella foenum graceum (eluent; methanol: Water containing 0.5% acetic acid [60:40 v/v])

Figure 1: (a) High performance liquid chromatography chromatogram of standard trigonelline and (b) high performance liquid chromatography chromatogram of Trigonella foenum graceum (eluent; methanol: Water containing 0.5% acetic acid [60:40 v/v])