Table 1.
MSn data and fragmentation pathways for the compounds identified from four different processed RRs.
| Compound No. | tR (min) | Selection | Measured Mass | Molecular Formula | Error (ppm) | MSn m/z | Type |
|---|---|---|---|---|---|---|---|
| 1 * | 16.97 | [M + H]+ | 835.32263 | C38H51O17N4 | −2.086 | MS2 [835.32]: 673.27045, 511.21783; MS3 [673.27]: 493.20660, 373.16495 175.08597. | oligosaccharide |
| 2 * | 18.24 | [M + H]+ | 511.2178 | C26H31O7N4 | −1.811 | MS2 [511.22]: 493.20703, 373.16495, 175.08612; MS3 [175.09]: 147.09132, 133.07568. | monosaccharide |
| 3 * | 20.3 | [M + H]+ | 673.27039 | C32H41O12N4 | −1.721 | MS2 [673.27]: 511.21817; MS3 [511.22]: 493.20657, 373.16495, 175.08595. | oligosaccharide |
| 4 ** | 22.02 | [M + H]+ | 673.27032 | C32H41O12N4 | −1.825 | MS2 [673.27]: 511.21796; MS3 [511.22]: 493.20673, 373.16510, 175.086037. | oligosaccharide |
| 5 * | 23.74 | [M + H]+ | 511.21744 | C26H31O7N4 | −2.515 | MS2 [511.22]: 493.20685, 373.16510, 175.08604; MS3 [175.09]: 147.09114, 133.07556. | monosaccharide |
| 6 * | 24.1 | [M + H]+ | 511.21802 | C26H31O7N4 | −1.38 | MS2 [511.22]: 493.20712, 373.16534, 175.08617; MS3 [175.09]: 147.09120, 133.07559. | monosaccharide |
| 7 * | 25.01 | [M + H]+ | 481.20752 | C25H29O6N4 | −1.332 | MS2 [481.21]: 463.19638, 373.16513, 175.08611; MS3 [175.09]: 147.09125, 133.07565. | monosaccharide |
* Confirmed by comparing with the reference compounds; ** unknown compounds.