Research Article

Quantitative Identification of Antioxidant Basis for Dendrobium Nobile Flower by High Performance Liquid Chromatography-Tandem Mass Spectrometry

Table 1

Correlation of antioxidant activities to metabolites in D. nobile.

NO.NameABTS scavengingDPPH scavengingFerric reducingCSCF/TCCF (%)CSCF/CSCA (%)
100200500100020001002005001000200010020050010002000

1DTFC-HBA0.9000.9370.8190.4880.5330.963∗∗0.9390.9230.6660.4960.6070.7660.7970.8640.8940.002345.82
21-aminocyclopentanecarboxylate0.8600.9410.7980.7280.6560.8890.8290.8170.8100.5360.5970.7340.7170.8940.8460.027341.75
32-amino-1,3,4-tetradecanetriol0.9060.8290.8920.5470.6360.7220.9440.9320.6540.4350.7990.8560.8920.8380.9020.000424.19
42′-deoxycytidine 5′-diphosphate0.8650.9060.7740.4140.4950.960∗∗0.9120.8910.6020.4460.5690.7380.7730.8300.8670.044055.39
52-hydroxy-6-aminopurine0.8480.9470.7780.6800.5280.9360.8330.8380.8180.6450.5060.6580.6510.8480.8100.073231.79
62-methylglutaric acid0.8880.962∗∗0.8030.5540.5110.991∗∗0.9080.9020.7330.5780.5460.7150.7330.8630.8660.043254.54
73-hydroxybutyrate0.7640.8560.6470.3830.5420.9430.7830.7360.5140.2670.4870.6880.6990.8080.8000.013542.96
85-aminosalicylic acid0.8520.9460.7580.5410.5000.991∗∗0.8650.8550.7120.5480.5010.6810.6920.8450.8350.105069.70
95-oxoproline0.7590.8640.6440.4220.5290.9450.7690.7290.5530.3170.4620.6630.6680.8050.7850.005448.62
106-aminohexanoic acid0.8210.9160.7150.4460.4510.998∗∗0.8490.8340.6350.4940.4620.6560.6760.8100.8130.008751.43
118-gingerol0.8370.9340.7400.5020.4450.998∗∗0.8580.8530.6940.5690.4620.6480.6640.8160.8130.007762.04
128-oxo-dGMP0.7690.8200.6580.3300.6130.8880.7980.7330.4340.1290.5750.7610.7790.8200.8320.000336.85
139(S)-HpOTrE0.8600.8670.7780.3780.5390.9020.9130.8820.5430.3510.6290.7810.8210.8260.8780.000956.95
14Adipic acid0.8800.9560.7910.5390.5070.993∗∗0.9010.8920.7190.5620.5360.7100.7270.8580.8610.053357.13
15α-ketoglutaric acid0.8030.8720.6950.3340.4180.974∗∗0.8550.8320.5380.4160.4700.6630.6990.7750.8070.005065.87
16Angelol-K0.8370.9390.7710.6710.4500.9360.8280.8480.8380.7310.4580.6060.6040.8090.7790.037827.11
17Astragalin0.8580.9060.7660.4120.4660.967∗∗0.9060.8900.6090.4760.5420.7150.7500.8170.8530.820996.06
18Caffeic acid0.8590.9030.7680.4070.4770.962∗∗0.9070.8890.6000.4570.5530.7240.7600.8200.8581.334691.91
19Caffeic acid O-glucoside0.8210.8780.7280.3670.3700.961∗∗0.8770.8730.5930.5270.4680.6430.6840.7590.8010.328285.94
20Calycosin-7-O-glucoside0.8370.8610.7430.3450.5170.9200.8910.8560.5150.3270.5880.7560.7950.8130.8600.005044.83
21Cyanidin 3-O-glucoside0.8510.9090.7580.4150.4430.976∗∗0.8980.8860.6200.5020.5170.6930.7270.8080.8400.036687.84
22Cyanidin O-acetylhexoside0.8540.9020.7610.4020.4720.966∗∗0.9020.8830.5960.4550.5440.7180.7540.8170.8530.050994.00
23δ-Aminolevulinic acid-HCL0.8450.9280.7450.4630.4710.997∗∗0.8750.8600.6520.5060.4950.6820.7040.8270.8350.043453.72
24D-glutamine0.8800.9570.7910.5450.5200.992∗∗0.8980.8880.7180.5500.5420.7160.7310.8640.8644.715760.99
25Diethanolamine0.8670.9420.8170.7790.6520.8660.8300.8270.8580.5970.6050.7260.7060.8910.8400.017937.61
26Diosgenin0.8740.9140.7840.4310.5130.961∗∗0.9180.8970.6130.4460.5820.7500.7830.8420.8760.152946.12
27DL-pecolinic acid0.8720.9430.8000.6780.6930.9040.8500.8230.7560.4480.6330.7800.7680.9160.8783.236941.35
28D-norvaline0.8400.9300.7390.4980.5270.986∗∗0.8560.8330.6570.4610.5130.7010.7130.8480.8412.234150.51
29dUDP0.8630.9070.7710.4140.4880.963∗∗0.9100.8900.6030.4520.5610.7320.7660.8270.8630.043556.10
30Hesperetin 5-O-glucoside0.8250.8810.7300.3660.3920.964∗∗0.8800.8710.5860.5010.4820.6590.6980.7700.8110.077885.24
31Hesperidin0.8440.8920.7510.3860.4380.962∗∗0.8960.8820.5920.4760.5220.6950.7340.7970.8370.067492.29
32Isomucronulatol-7-O-glucoside0.8220.8770.7300.3660.3750.960∗∗0.8790.8730.5900.5200.4730.6470.6890.7610.8040.716887.56
33Kaji-ichigoside F10.8470.8920.7530.3840.4620.960∗∗0.8980.8780.5810.4450.5380.7120.7490.8080.8470.021891.17
34Levodopa0.8440.8940.7480.3840.4570.965∗∗0.8950.8750.5830.4490.5300.7060.7430.8060.8430.157680.70
35L-isoleucine0.8270.9190.7240.4450.4390.999∗∗0.8580.8460.6420.5150.4630.6540.6770.8070.8145.274053.18
36L-leucine0.8270.9200.7240.4490.4420.999∗∗0.8580.8450.6440.5150.4630.6550.6760.8090.8157.709253.34
37L-serine0.8740.9490.8180.7530.6620.8850.8420.8330.8340.5630.6130.7430.7260.9020.8550.172037.96
38L-tyrosine0.8430.9140.7500.4340.4050.986∗∗0.8860.8830.6510.5640.4770.6550.6870.7930.8190.046974.40
39L-valine0.8450.9330.7440.4930.5180.990∗∗0.8640.8430.6590.4730.5140.7010.7150.8470.8430.095352.93
40Methylenesuccinic acid0.8740.963∗∗0.7990.6560.5620.9570.8670.8630.7960.6000.5470.7040.7030.8760.8480.000439.37
41methylQuercetin O-hexoside0.8380.8880.7440.3780.4270.962∗∗0.8910.8780.5860.4770.5120.6870.7250.7900.8300.417390.99
42N2-methylguanosine0.7900.8420.6800.2920.4770.9390.8440.8030.4680.2870.5160.7060.7420.7830.8200.003942.74
43N7-methylguanosine0.8170.8950.7150.3860.3920.989∗∗0.8640.8540.6030.5120.4510.6400.6730.7770.8020.008852.97
44N-acetyl-D-glucosamine0.8340.9200.7340.5130.5880.961∗∗0.8410.8080.6410.3910.5470.7300.7360.8660.8500.001749.51
45N-acetylglycine0.8490.9380.7520.4970.4740.998∗∗0.8720.8620.6830.5380.4920.6760.6940.8320.8330.001864.55
46Naringin0.8260.9330.7340.5410.4270.988∗∗0.8390.8420.7320.6230.4360.6160.6280.8040.7910.001556.10
47Neocryptotanshinone0.8760.9150.7920.4410.4790.959∗∗0.9230.9110.6370.5030.5680.7300.7650.8280.8660.004052.11
48p-Coumaric acid0.8570.9010.7640.4020.4760.962∗∗0.9060.8860.5960.4530.5510.7230.7590.8180.8560.601387.50
49Phellodenol H O-hexoside0.8480.8830.7520.3750.5270.9420.8960.8620.5440.3510.5840.7570.7920.8300.8680.009263.80
50Phenylacetylglutamine0.8890.9430.8010.4910.5330.980∗∗0.9220.9040.6670.4900.5820.7520.7770.8660.8850.051773.27
51Pipecolic acid0.8460.9280.7790.7060.6680.8820.8150.7960.7790.4870.5960.7370.7190.8920.8420.689141.01
52Plantagoside0.9040.9450.8240.5040.5380.968∗∗0.9400.9250.6800.5090.6070.7670.7950.8700.8960.005476.21
53Polygalaxanthone VII0.8590.8920.7680.3930.4990.9460.9090.8850.5770.4150.5770.7440.7810.8240.8660.023382.41
54Purine0.7930.9120.6990.5590.4700.960∗∗0.7900.7830.7150.5560.4290.6110.6100.8040.7710.011756.54
55Quercetin0.8280.8830.7360.3750.3860.963∗∗0.8830.8770.5970.5210.4810.6550.6950.7690.8100.016882.59
56Quercetin 4′-O-glucoside0.8210.8790.7270.3690.3690.964∗∗0.8760.8720.5960.5310.4650.6400.6810.7590.8000.665185.22
57Quercetin 5-O-hexoside0.8260.8810.7320.3700.3850.963∗∗0.8810.8740.5910.5140.4790.6540.6950.7680.8090.077183.09
58Quercetin O-malonylhexoside0.8410.8810.7490.3690.4420.9500.8960.8790.5720.4520.5330.7030.7430.7930.8380.022375.85
59Quercetin-O-glucoside0.8340.8900.7340.3720.4490.970∗∗0.8840.8630.5710.4380.5140.6960.7320.8000.8350.035579.23
60Quercitrin0.8610.8900.7670.4250.6370.9200.8930.8440.5480.2660.6530.8190.8430.8780.9010.007052.83
61Rhodomyrtone0.8760.9120.7880.4300.5110.9560.9210.9010.6130.4500.5870.7520.7860.8400.8770.048739.16
62Rutin0.8520.8980.7600.3990.4510.963∗∗0.9020.8870.6010.4780.5330.7050.7420.8060.8452.400096.16
63Scopolamine0.8090.8550.7080.3140.4220.9460.8680.8450.5180.3970.5010.6820.7240.7690.8150.070280.18
64Sibiricose A60.8340.9300.7380.4920.4200.998∗∗0.8600.8590.6950.5920.4500.6340.6540.8040.8050.001655.05
65Sibirioside A0.8270.8810.7240.3550.4650.964∗∗0.8770.8500.5470.3950.5210.7050.7410.8020.8360.012281.31
66Threonyl carbamoyl adenosine0.8990.976∗∗0.8280.6690.5800.960∗∗0.8940.8910.8090.6090.5800.7320.7330.8940.8720.003939.87
67Tiliroside0.8220.8750.7290.3610.3770.9570.8790.8730.5850.5140.4760.6500.6910.7600.8040.180887.70
68trans-3-hydroxy-L-proline0.8030.8990.6940.4610.5390.967∗∗0.8150.7820.6030.3780.4960.6900.6990.8330.8190.022352.76
69Tricetin O-hexoside0.8320.8850.7400.3770.3970.961∗∗0.8870.8790.5960.5120.4910.6640.7040.7750.8160.066482.69
70Trifolin0.8510.9100.7570.4170.4430.979∗∗0.8970.8850.6220.5040.5140.6910.7250.8090.8400.074286.54
71Vanillic acid0.8650.9040.7800.4200.4620.9560.9150.9030.6200.4950.5540.7180.7560.8150.8550.008586.75
72Xanthosine0.9320.9140.8730.5300.6990.8690.962∗∗0.9260.6390.3500.7720.8930.9190.9190.9570.005442.84

CSCF/TCCF the contents of one specific component in flower to the total contents of 712 components in flower. CSCF/CSCA the contents of one specific component in flower to the contents of this component in all of root, stem, leaf, flower, and fruit. DTFC-HBA (2S, 3R)-2-{[{9-[(2R, 3R, 4S, 5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydro-2-furanyl]-9H-purin-6-yl}(methyl)carbamoyl]amino}-3-hydroxybutanoic acid, 9(S)-HpOTrE (9S, 10E, 12Z, 15Z)-9-Hydroperoxy-10, 12, 15-octadecatrienoate.