Research Article
Quantitative Analysis and Comparison of Flavonoids in Lotus Plumules of Four Representative Lotus Cultivars
Table 2
MS data of flavonoids identified in lotus plumule from XT and flavonoid contents of four cultivars.
| Peaks | Retention time | [M-H]− | MS/MS fragments | Identification | Flavonoid contents of four cultivars (mg/100 g) | GC | JN | WY | XT |
| 1 | 7.00 | 593 | 473 383 353 | Apigenin-6,8-di-C-glucoside (vicenin-2) | 198.16 ± 0.66 | 113.54 ± 1.50 | 172.53 ± 0.46 | 139.08 ± 0.53 | 2 | 11.17 | 563 | 503 473 443 425 383 353 | Apigenin-6-C-glucosyl-8-C-xyloside | 29.30 ± 0.03 | 33.86 ± 0.23 | 95.91 ± 0.24 | 76.62 ± 0.20 | 3 | 13.57 | 563 | 473 443 383 353 | Apigenin-6-C-glucosyl-8-C-arabinoside (schaftoside) | 702.48 ± 0.42 | 382.64 ± 0.51 | 624.27 ± 0.99 | 468.62 ± 0.84 | 447 | 357 327 297 285 | Luteolin-6-C-glucoside (isoorientin) | 4 | 14.48 | 447 | 357 327 297 | Luteolin-8-C-glucoside (orientin) | 89.08 ± 1.89 | 52.89 ± 2.11 | 76.26 ± 0.74 | 73.40 ± 1.33 | 5 | 18.99 | 563 | 473 383 353 | Apigenin-6-C-arabinosyl-8-C-glucoside (isoschaftoside) | 115.71 ± 0.33 | 65.04 ± 0.39 | 110.60 ± 0.54 | 79.41 ± 0.50 | 6 | 19.88 | 431 | 341 311 283 | Apigenin-8-C-glucoside | 65.72 ± 0.81 | 38.10 ± 2.08 | 55.18 ± 1.01 | 47.27 ± 1.10 | 7 | 21.85 | 609 | 300 271 | Rutin | 129.57 ± 0.86 | 84.39 ± 1.09 | 148.46 ± 0.69 | 101.83 ± 0.36 | 463 | 301 300 | Quercetin-3-O-galactoside (hyperoside) | 431 | 341 311 283 | Apigenin-6-C-glucoside | 8 | 23.57 | 463 | 301 300 | Quercetin-3-O-glucoside (isoquercitrin) | 18.00 ± 0.42 | 17.01 ± 0.26 | 27.02 ± 0.49 | 15.30 ± 0.08 | 9 | 24.98 | 577 | 487 457 383 353 | Apigenin-6-C-glucosyl-8-C-rhamnoside | 89.47 ± 0.49 | 51.05 ± 0.41 | 85.07 ± 0.67 | 64.71 ± 0.42 | 10 | 27.15 | 593 | 447 285 | Luteolin-7-O-neohesperidoside | 109.77 ± 0.29 | 57.58 ± 0.56 | 104.64 ± 0.55 | 71.01 ± 0.42 | 11 | 30.60 | 593 | 285 | Luteolin-7-O-rutinoside | 14.00 ± 0.06 | 11.51 ± 0.26 | 16.77 ± 0.50 | 11.59 ± 0.06 | 12 | 32.99 | 623 | 315 300 | Isorhamnetin-3-O-rutinoside | 14.28 ± 0.67 | 11.13 ± 0.32 | 17.72 ± 0.79 | 12.07 ± 0.09 | 13 | 37.82 | 607 | 299 284 | Diosmetin-7-O-rutinoside (diosmin) | 20.32 ± 0.32 | 11.34 ± 0.52 | 18.86 ± 0.23 | 12.17 ± 0.23 | 14 | 41.59 | 727 | 637 607 517 487 475 445 | Unknown | NQ | NQ | NQ | NQ | 15 | 47.97 | 727 | 637 607 445 416 | Unknown | NQ | NQ | NQ | NQ | 16 | 50.30 | 711 | 621 591 548 428 401 | Unknown | NQ | NQ | NQ | NQ |
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Note: NQ refers to not quantified.
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