Figure 1.
Typical UPLC chromatograms of a standard mix of 9 authentic anthocyanin compounds (A) and samples of purple tea leaves (B) and flakes (C). See Table 1 for identity of peak numbers.
Typical UPLC chromatograms of a standard mix of 9 authentic anthocyanin compounds (A) and samples of purple tea leaves (B) and flakes (C). See Table 1 for identity of peak numbers.