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Table 2 Identified metabolites showing statistically significant changes between 2× and 4× Ziyang xiangcheng

From: Comparative metabolic and transcriptional analysis of a doubled diploid and its diploid citrus rootstock (C. junos cv. Ziyang xiangcheng) suggests its potential value for stress resistance improvement

Peak no. RT (min) Component name [M + H] + MS/MS fragments Family Trend c
1 1.0 Octopamineb 154 91 Alkaloid up
2 5.2 Coumaric acidb 165 147/120/65/91 Cinnamic Acid down
3 8.8 Narirutina 581 273/434 Flavanone up
4 8.9 Neodiosminb 609 301/463 Flavone down
5 9.0 Naringina 581 273 Flavanone up
6 9.1 Hesperidina 611 303 Flavanone up
7 9.3 Neohesperidina 611 303 Flavanone up
8 9.9 Brutieridinb 755 303 Flavanone up
9 10.5 Didymina 595 287 Flavanone up
10 10.6 PMFs-1b 359 344/329/298 Flavone down
11 11.2 PMFs-2b 359 329/344 Flavone down
12 11.5 PMFs-3b 375 360/345 Flavone down
13 11.6 PMFs-4b 359 298/326/344 Flavone down
14 11.8 PMFs-5b 359 326/344 Flavone down
15 12.4 PMFs-6b 389 359/341/374 Flavone down
16 12.5 PMFs-7b 359 329/344 Flavone down
17 12.5 Isosinensetinb 373 343 Flavone down
18 12.7 PMFs-8b 403 373/388 Flavone down
19 12.8 PMFs-9b 389 359/374 Flavone down
20 12.8 PMFs-10b 375 317/342 Flavone down
21 12.9 PMFs-11b 419 389/371/404 Flavone down
22 13.0 PMFs-12b 403 373/327/388 Flavone down
23 13.1 PMFs-13b 345 330/315 Flavone down
24 13.3 Sinensetina 373 343/312/329/357 Flavone down
25 13.3 PMFs-14b 343 328/313 Flavone down
26 13.6 PMFs-15b 345 330/284/312 Flavone down
27 13.6 PMFs-16b 405 375/390 Flavone down
28 13.7 Limonina 471 161/425 Limonoid up
29 13.7 PMFs-17b 375 360/345/317 Flavone down
30 14.0 PMFs-18b 359 343/329 Flavone down
31 14.2 Nomilina 515 161 Limonoid down
32 14.2 Nobiletina 403 373 Flavone down
33 14.3 Tetramethyl-O-scutellareinb 343 313/282/299 Flavone down
34 14.4 PMFs-19b 389 331/356/313/374 Flavone down
35 14.5 PMFs-20b 359 329/346 Flavone down
36 14.8 Heptamethoxyflavoneb 433 418/403 Flavone down
37 15.0 PMFs-21b 343 313/328 Flavone down
38 15.0 PMFs-22b 359 298/326/343 Flavone down
39 15.2 PMFs-23b 419 389/404 Flavone down
40 15.8 PMFs-24b 405 375/347/357/390 Flavone down
41 15.9 PMFs-25b 389 359/374/341 Flavone down
42 16.5 PMFs-26b 419 389/404 Flavone down
43 16.9 5-Demethyl tangeretinb 359 344/329/301 Flavone down
  1. [M + H]+, protonated molecular ion. aIdentified by matching their retention time and mass spectra with known standard. bPutatively identified using ESI-MS fragmentation patterns. cRelative increased (up) or decreased (down) concentration in 4× as compared to 2×. Student’s t-test was used and a p-value of less than 0.05 was considered significant. PMFs, polymethoxyflavones.