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  Indian J Med Microbiol
 

Figure 1: Ultra-performa nce liquid chromatography chromatogram of one sample. It showed most components information and the steadiest baseline than at other wavelength. The peak at re tention time of 6.31 min was ferulic acid and designated as the reference peak for the calculation of relative peak area

Figure 1: Ultra-performa nce liquid chromatography chromatogram of one sample. It showed most components information and the steadiest baseline than at other wavelength. The peak at re tention time of 6.31 min was ferulic acid and designated as the reference peak for the calculation of relative peak area