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Table 1 Pearson correlation analyses between the metabolites and the b* value of Y/W

From: Differences in flavonoid pathway metabolites and transcripts affect yellow petal colouration in the aquatic plant Nelumbo nucifera

Metabolites R R2 p
Primary metabolites
 Silanol −0.440 0.194 0.459
 Glycerol −0.108 0.012 0.863
 Myo-Inositol −0.656 0.430 0.229
 D-Psicofuranose 0.940* 0.884 0.018
 D-Allofuranose −0.923* 0.852 0.026
 D-(−)-Fructose −0.621 0.386 0.263
 D-Glucose −0.964** 0.929 0.008
 D-Lactose −0.712 0.507 0.178
 Sucrose −0.749 0.561 0.145
 Boric acid −0.038 0.001 0.952
 Lactic acid −0.534 0.285 0.354
 Oxalic acid −0.587 0.345 0.298
 Pipecolic acid −0.581 0.338 0.305
 4-Hydroxybutanoic acid −0.808 0.653 0.098
 Butanedioic acid −0.708 0.501 0.181
 2-Butenedioic acid −0.495 0.245 0.397
 Nonanoic acid −0.668 0.446 0.218
 Malic acid 0.810 0.656 0.097
 4-Aminobutanoic acid 0.221 0.049 0.721
 L-Threonic acid 0.277 0.077 0.652
 L-(+)-Tartaric acid −0.242 0.059 0.695
 2-Keto-l-gluconic acid 0.262 0.069 0.671
 Terephthalic acid 0.916* 0.839 0.029
 Shikimic acid 0.687 0.472 0.200
 Citric acid 0.906* 0.821 0.034
 2-Ketoglutaric acid −0.627 0.393 0.258
 Quininic acid 0.997** 0.994 0.000
 Ascorbic acid −0.018 0.000 0.977
 Palmitic acid −0.436 0.190 0.463
 Linoelaidic acid −0.666 0.444 0.219
 α-Linolenic acid −0.461 0.213 0.435
 Sebacic acid 0.314 0.099 0.607
 L-Valine −0.255 0.065 0.679
 L-Isoleucine −0.675 0.456 0.211
 L-Serine −0.648 0.420 0.237
 L-Threonine −0.396 0.157 0.510
 Serine −0.136 0.018 0.828
 L-Aspartic acid −0.238 0.057 0.700
 β-Alanine 0.160 0.026 0.798
 L-5-Oxoproline −0.688 0.473 0.199
 L-Glutamic acid 0.783 0.613 0.117
 L-Tyrosine −0.273 0.075 0.657
 Glyceric acid 0.925* 0.856 0.024
 Stearic acid −0.510 0.260 0.380
 1-Monopalmitin −0.430 0.185 0.470
 Glycerol monostearate −0.355 0.126 0.557
Secondary metabolite
 Phenylalanine 0.657 0.432 0.228
 Coumaric acid −0.587 0.345 0.298
 Dihydrokaempferol(−D) −0.560 0.314 0.327
 Dihydromyricetin 0.956* 0.914 0.011
 Dihydroquercetin 0.468 0.219 0.427
 Kaempferol(−D) −0.517 0.267 0.373
 Myricetin(−D) 0.815 0.664 0.092
 Quercetin(−D) 0.931* 0.867 0.022
 Catechin(−D) 0.874 0.764 0.053
 Isorhamnetin(−D) 0.972** 0.945 0.006
  1. Note: * indicates significant correlation at P < 0.05 level, with ** indicate highly significant correlation at P < 0.01 level