Skip to main content

Table 4 Retention time, maximum UV absorption, and molecular weight, flavonoid contents (μg/g DW) in the di-, mix- and tetraploid plants and identification methods of phenolic and flavonoid compounds of D. kotschyi

From: Overproduction of valuable methoxylated flavones in induced tetraploid plants of Dracocephalum kotschyi Boiss

Peak Compound name RT (min) UV (nm) (m/z)[M-H]-/[M-H]+ Diploid Mixploid Tetraploid Identification methods
1 Luteolin-7-O-β-D- glucopyranoside 1.66 205, 255–266, 348 447.09/ - 64.92 116.63 93.82 UV, MS, Ref.
2 Apigenin 7-O-glucoside (cosmosiin) 9.20 233, 269 431.10/ - 32.72 28.59 26.63 UV, MS, Ref.
3 Rosmarinic acid 16.65 234, 290, 329 359.07/ - 938.82 963.96 952.33 UV, MS, Ref., St.
4 Luteolin 3′-O-β-D-glucuronide 17.11 236, 267, 340 461.07/ - 246.48 246.27 252.05 UV, MS, Ref.
5 Luteolin 20.13 232, 267, 344 285.04/ - 20.96 15.78 24.97 UV, MS, Ref., St.
6 Apigenin 22.46 232,268,337 269.04/ - 43.15 42.26 35.86 UV, MS, Ref., St.
7 Cirsimaritin 23.2 276, 232,234 313.07/ - 45.87 42.38 36.48 UV, MS, Ref., St.
8 Isokaempferide 24.68 232, 266, 350 299.05/ - 54.86 31.57 54.35 UV, MS, Ref., St.
9 Penduletin 26.36 234, 272, 340 343.08/345.09 44.69 16.33 80.21 UV, MS, Ref.
10 Xanthomicrol 27.7 232, 282, 333 343.08/345.09 81.75 31.09 140.17 UV, MS, Ref., St.
11 Calycopterin 30.24 233, 278, 337 373.09/375.10 9.06 61.41 193.20 UV, MS, Ref., St.
  1. RT, retention time; Ref or reference, means that compound previously reported by other researchers.