Peak No. | RT (min) | Theoretical mass [M + H]+ | Observed Mass [M + H]+ | Mass difference (mmu) | Fragment ions | Identification | Reference |
---|---|---|---|---|---|---|---|
1 | 51.93 | 417.11854 | 417.11338 | −5.16 | 297.06931 | puerarin | [21] |
2 | 53.96 | 481.17096 | 481.17640 | 5.44 | 179.06642 | paeoniflorin | [21] |
3 | 55.91 | 447.12910 | 447.12316 | −5.94 | 429.11301 327.07994 | 3'-methoxypuerarin | [20] |
4 | 64.31 | 417.11854 | 417.11534 | −3.20 | 255.05128 | daidzin | [21] |
5 | 67.74 | 195.06573 | 195.05935 | −6.38 | 177.05273 149.05859 | isoferulic acid | [22] |
6 | 73.83 | 419.13416 | 419.13338 | −0.78 | 257.07896 | liquiritin | [21] |