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Table 2 Information concerning the different compounds found in the chromatogram of SGR

From: Assessing the quality of Smilacis Glabrae Rhizoma (Tufuling) by colormetrics and UPLC-Q-TOF-MS

No. RRT m/z (–) Compounds
1 0.106 323.13  
2 0.174 289.07 (+)-Catechin
3 0.180 561.14  
4 0.211 561.14  
5 0.230 289.07 (−)-Epicatechin
6 0.236 561.14  
7* 0.255 335.07/179.04 5-O-Caffeoylshikimic acid
8 0.261 561.14  
9 0.280 465.10  
10 0.304 339.07  
11 0.329 335.07/179.04  
12 0.354 449.08/269.05  
13 0.391 449.08  
14 0.422 451.10/341.06  
15 0.435 507.11  
16* 0.453 449.08/303.05 Neoastilbin
17 0.472 449.08/269.05  
18 0.491 449.08/303.05  
19 0.534 723.17  
20* 0.609 449.08/303.05 Astilbin
21 0.634 491.11  
22* 0.652 449.08/303.05 Isoastilbin
23 0.702 433.1/269.04 Engeletin
24 0.795 723.50  
25 0.876 491.11  
26 0.944 491.11  
27* 0.969 433.11/269.04 Isoengeletin
IS 1.000 253.05 7,4′-di Hydroxy flavone
28 1.106 451.10  
  1. *Represent that the peak was identified by references