Piquiá Shells (Caryocar villosum): A Fruit by-Product with Antioxidant and Antiaging Properties in Caenorhabditis elegans

Table 2

Tentative identification of triterpenoid saponins from a hydroalcoholic extract of Caryocar villosum fruit shells by LC-MS/MS analysis (ESI +).

Peak^a	Tentative identification	(min)^b	[M+H^+]^+ ()	Source fragmentation	MS/MS fragments of [M + H^+]^+	Reference
27	Caryocaroside III-16	45.5	1431	1269, 1137, 975, 813, 651	1431, 1412, 1142, 957, 929, 826, 453	[50]
28	Caryocaroside III-14	45.9	1269	1107, 975, 813, 651	1251, 1240, 1074, 743	[50]
29	Caryocaroside III-13	46.1	1137	975, 813, 651	1138, 939, 691, 530	[50]
30	Caryocaroside III-12	46.4	1107	945, 813, 651	704, 404, 321	[50]
31	Caryocaroside III-2/III-3	46.7	975	813, 651	956, 842, 806, 738, 674	[51]
32	Caryocaroside II-16	47.2	1415	1253, 1121, 959, 797	1418, 1404, 1370, 1356, 1312, 1275, 1235, 1021, 727	[50]
33	Unknown caryocaroside	47.8	1253	1091, 959, 797	1253, 1009	—
34	Caryocaroside II-13	48.1	1121	959, 797, 635	1122, 583	[50]
35	Caryocaroside II-12	48.7	1091	929, 797, 635	1074, 833	[50]
36	Caryocaroside II-2/II-3	49.2	959	797, 635	930, 856, 831, 734	[51]
37	Caryocaroside IV-21	49.9	1429	1267, 1135, 973, 811, 649	1427, 1414, 1376, 1370, 1326, 1267, 1134, 1115, 1069, 869	[50]
38	Unknown caryocaroside	50.4	1135	973, 811, 649		—
39	Unknown caryocaroside	50.7	1267	1105, 973, 811, 649	1239, 1071, 1000	—
40	Unknown caryocaroside	51.2	1135	973, 797, 635		—
41	Caryocaroside IV-17	51.5	1105	943, 811, 649		[50]
42	Caryocaroside II-9/IV-9/II-11/IV-11/III-22	52.9	973	811	974, 928, 852, 786, 762, 657	[51, 52]
43	Caryocaroside IV-7	58.8	811	649		[52]

^aPeak numbers refer to the peaks presented in Figure 1. ^b: retention time in TIC.