Figure 3From: Simultaneous determination of multiple marker constituents in concentrated Gegen Tang granule by high performance liquid chromatographyComparison of daily intake amounts of the seven compounds in GT granules from four manufacturers. Letters A, B, C and D denote the four manufacturers. Values are means ± SD of batches from each manufacturer. Single factor ANOVA was performed on each compound. Contents of each compound showed significant differences among the four manufacturers (P < 0.05).Back to article page