Antibiofilm Activity of Extract and a Compound Isolated from Triumfetta welwitschii against Pseudomonas aeruginosa

Table 1

The proposed identification of compounds corresponding to the chromatographic peaks in Figure 1 by UPLC-MS/MS.

Peak	Rt (min)	[M-H]^-	Proposed formula	Proposed compounds
1	1.73	191.0546	C7H11O6	Quinic acid
2	1.73	191.0549	C7H11O6	Quinic acid
3	12.79	191.06	C7H11O6	Quinic acid
4	12.80	353.0874	C16H17O9	Chlorogenic acid
5	12.88	191.05	C7H11O6	Quinic acid
6	14.46	289.07	C7H11O6	Catechin
7	16.27	563.1394	C20H30O7	Apigenin 6-C-arabinoside 8-glucoside
8	16.26	563.1393	C20H30O2S2	Apigenin 6-C-arabinoside 8-glucoside
9	17.92	431.0961	C21H9O10	Vitexin
10	18.34	431.0978	C21H9O10	Vitexin
11	18.80	461.07	C22H22O11	Methylkaempferol-hexose
12	18.81	285.0397	C15H10O6	Luteolin
13	20.85	269.04	C15H9O5	Apigenin
14	20.87	445.08	C21H18O11	Apigenin-7-O-glycuronyl
15	21.05	161.0239	C9H6O3	Umbelliferone
16	20.87	445.08	C21H18O11	Apigenin-7-O-glycuronyl
17	21.08	359.08		Luteolin derivative
18	18.80	461.07	C22H22O11	Methylkaempferol-hexose
19	21.07	359.08		Luteolin derivative
20	21.15	161.02	C9H6O3	Umbelliferone
21	21.73	503.08	C23H19O13	6,8-Di-C-β-glucupyranosylapigenin (vicenin-2)
22	21.79	285.04	C15H10O6	Luteolin
23	23.50	343.08		5,4′-Dihydroxy-7,3′-dimethoxy8-methyl homoisoflavanone
24	23.96	269.0441	C15H9O5	Apigenin
25	23.96	503.0821	C23H19O13	6,8-Di-C-β-glucupyranosylapigenin (vicenin-2)
26	23.99	503.09	C23H19O13	6,8-Di-C-β-glucupyranosylapigenin (vicenin-2)
27	25.38	233.15		Malonyl- monocinnamoylquinic acid
28	26.38	112.99		Quinic acid derivative