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Table 2 Primary metabolite profiles (μg g-1 FW) in the peels of OCC and its donor plants

From: Metabolite profile comparison of a graft chimera ‘Hongrou Huyou’ (Citrus changshan-huyou + Citrus unshiu) and its two donor plants

No.Primary metabolites (μg g− 1)OPOCPCP
Organic acids   
1Carbamic acid8.23 ± 0.45c205.82 ± 14.44a173.78 ± 9.83b
2Cyclohexaneacetic acid0.56 ± 0.09c2.28 ± 0.41b3.35 ± 0.32a
3Malic acid92.87 ± 9.42c211.84 ± 8.73b280.92 ± 12.48a
4Quininic acid273.14 ± 11.78b341.09 ± 25.51a354.57 ± 47.87a
52-Ketoglutaric acid64.77 ± 6.22a35.08 ± 2.73b41.24 ± 3.70b
64-Aminobutanoic acidnd42.49 ± 3.71a24.26 ± 7.77b
7Shikimic acidnd11.21 ± 1.44a11.16 ± 1.06a
8Palmitic acidnd29.14 ± 2.07a31.97 ± 1.54a
 Sum439.57 ± 27.97b878.94 ± 59.03a921.27 ± 84.57a
Sugars   
9Xylose215.09 ± 3.73a79.35 ± 6.14c112.00 ± 5.65b
10Mannose24,997.79 ± 1538.92a11,139.04 ± 654.61c14,008.21 ± 659.76b
11Galactose6961.91 ± 512.69a2910.33 ± 191.21c3885.98 ± 176.32b
12Fucose5.83 ± 0.60c12.82 ± 1.55a9.50 ± 0.92b
13Fructose20,950.50 ± 1276.05a9533.23 ± 501.14b10,982.41 ± 464.13b
14d-Psicose246.44 ± 11.15a47.54 ± 9.82c88.83 ± 6.39b
15Turanose91.76 ± 9.73a25.64 ± 2.07b33.00 ± 2.89b
16Sucrose16,576.74 ± 471.54a7352.21 ± 162.93c8777.85 ± 359.66b
17Myo-Inositol1102.16 ± 76.96a1035.31 ± 59.25ab965.58 ± 39.84b
18Sorbose160.32 ± 4.82andnd
 Sum71,308.53 ± 3906.19a32,135.47 ± 1588.70b38,863.34 ± 1715.57b
Alcohols   
19Glycerol125.80 ± 13.79c247.62 ± 32.8b303.96 ± 32.17a
20Scyllo-Inositol54.75 ± 4.92c169.21 ± 4.08b291.89 ± 14.46a
 Sum180.56 ± 18.72c416.84 ± 36.89b595.85 ± 46.63a
 Total71,928.66 ± 3952.88a33,431.25 ± 1684.62c40,380.46 ± 1645.96b