Table 1.
Anthocyanin levels (mg/g dry weight) in pod skins of the four purple cultivars (n = 3).
| No. I | RT II (min) |
[M + H]+ (m/z) |
MS/MS (m/z) |
Compound | Hong Yu | Bowling Red | Burgundy | Jing Orange |
|---|---|---|---|---|---|---|---|---|
| 1 | 4.01 | 597.1500 | 303.05 | Delphinidin 3-O-sambubioside | 3.47 ± 0.13 c | 7.00 ± 0.22 a | 4.29 ± 0.11 b | Nd d |
| 2 | 4.97 | 581.1580 | 287.06 | Cyanidin 3-O-sambubioside | 3.52 ± 0.14 c | 4.05 ± 0.12 b | 3.06 ± 0.10 d | 4.41 ± 0.17 a |
| Total | 6.99 ± 0.16 | 11.05 ± 0.25 | 7.35 ± 0.16 | 4.41 ± 0.17 |
I No corresponds to the elution order by UHPLC analysis in Figure 1. II RT, retention time. Nd, not detected. Different letters indicate a significant difference at p < 0.05.