Table 1.
Anthocyanins identified in C. nervosum extract and their relative contents by LC-ESI-MS techniques.
Retention time(min) | Structural assignment of anthocyanins | [M]+ | ESI-Mass spectrum | Relative Content in extract (%) |
---|---|---|---|---|
17.80 | cyanidin-3,5-diglucoside | 611 | 287, 449, 611 | 0.75±0.26 |
20.83 | cyanidin-3-glucoside | 449 | 287, 449 | 73.48±19.26 |
42.82 | cyanidin-5-glucoside | 449 | 287,449 | 25.77±19.01 |