Table 1.

LC-HRMS data obtained for the different extracts from Ximenia caffra, detailing compound identity and the time-dependent concentration for the ethanol extracts.

Compound Number	Compound Name	m/z1	Retention Time (min)	[M − H]−	MSE Fragments 2	Individual Compound Concentrations (μg mL−1)
						Ethanol: 30 min	Ethanol: 60 min	Ethanol: 120 min	Methanol Extraction
Positively identified compounds
1	Catechin	289.0713	11.48	C15H13O6	289,125,203,245,151	36.8	51.9	54.9	68.0
2	Citric acid	191.0187	3.12	C6H7O7	191,111,87,173	1042	1313	1288	2133
3	Epicatechin 3	289.0698	13.57	C15H13O6	weak	-	-	-	-
4	Gallic acid	169.0129	5.8	C7H5O5	125,169,111	4.8	5.2	5.8	8.5
5	Hesperetin	301.1643	24.49	C15H25O6	weak	0.1	0.1	0.1	0.1
6	Hyperoside	463.0878	17.51	C21H19O12	300,463,271,255	34.6	42.9	40.8	102.8
7	Isoquercitrin	463.0876	17.51	C21H19O12	300,463,271,301,255,	43.2	53.5	50.8	128.2
8	Kaempferol glucoside	447.0938	18.06	C21H19O11	285,169,447	12.1	12.3	16.7	33.1
9	Luteolin-7-O-glucoside	447.0935	18.06	C21H19O11	285,284,169,125,447	0.3	0.3	0.3	1.1
10	Procyanidin B1	577.1317	10.68	C30H25O12	289,407,425,577	36.8	52.5	60.0	203.8
11	Procyanidin B2 3	577.1345	12.72	C30H25O12	289,407,425,577	-	-	-	-
12	Quercetin-3-O-glucoside	463.0886	17.81	C21H19O12	300,271,463,255,125	2.7	3.4	3.1	9.0
13	Quercetin-3-O-robinobioside	609.1432	17.06	C27H29O16	300,609,271,125	3.9	3.7	5.8	15.4
14	Quercetin	301.0353	23.99	C15H9O7	125,169	2.0	2.2	1.8	1.9
15	Rutin	609.1458	17.27	C27H29O16	300,609,271,255	11.5	13.8	13.1	38.3
16	Trilobatin	435.1284	18.75	C21H23O10	315,345	0.5	0.7	0.8	2.1
Tentatively identified and unknown compounds 3
	Aconitic acid	173.0089	9.14	C6H5O6	111
	Dihydroxy hexadecanoic acid	287.2236	24.5	C16H31O4	287
	p-Coumaroylquinic acid	337.0916	11.18	C16H17O8	163,119,191,337
	Procyanidin	577.1344	10.68	C30H25O12	289,407,425,577
	Quercetin galloyl glucoside	615.0979	16.63	C28H23O16	300,615,463,255,169
	Quercetin galloyl glucoside	615.0977	16.94	C28H23O16	300,463,615
	Quercetin rhamnoside	447.0927	19.63	C21H19O11	300,271,255,447,243
	Quercetin rhamnoside	447.0927	18.89	C21H19O11	300,271,255,447
	Quercetin-3-O-pentoside	433.0764	18.83	C20H17O11	300,271,255,433,315
	unknown	340.1035	14.37	C15H18NO8	161,101,85
	unknown	443.1913	11.37	C21H31O10	443,289,303
	unknown	515.1246	5.49	C18H27O17	515,111,173
	unknown	515.1245	5.68	C18H27O17	515,111,173
	unknown	515.1255	5.83	C18H27O17	515,111,173
	unknown	515.1253	5.93	C18H27O17	515,111,173
	unknown	435.107	21.403	C24H19O8	341,189,125,435
	unknown	219.0506	9.37	C8H11O7	111,219,87

¹ The mass accuracy for all compounds was better than 5 ppm; ² Most abundant fragment mentioned first; ³ Concentrations of epicatechin, procyanidin B₂ and all tentatively identified and unknown compounds were not determined.