Study of Saponin Components after Biotransformation of Dioscorea nipponica by Endophytic Fungi C39

Table 2

Identification results and the trends of saponin components in the analyzed samples.

No.	tR/min	Measure value [M+H]^+	Theoretical value [M+H]^+	Error (×10^6)	Molecular formula	Major secondary fragment ions select the ion [M + H]^+	Identification	Variation trends
1	13.1	1,031.5416	1,031.5427	−1.1	C51H82O21	869.4878, 725.3717, 723.4301, 577.3719, 415.3191, 397.3086, 271.2049, 253.1937	Pseudoprotodioscin	↓
2	15.6	885.4802	885.4848	−5.2	C45H72O17	723.4287, 579.3115, 577.3684, 415.3201, 397.3096, 271.2057, 253.1952	Gracillin	↑
3	18.7	885.4804	885.4848	−5.0	C45H72O17	723.4282, 579.3111, 577.3707, 415.3195, 397.3090, 271.2055, 253.1948	Deltonin	↑
4	21.1	577.3718	577.3740	−3.8	C33H52O8	433.2588, 415.3195, 397.3104, 271.2066, 253.1961	Trillin	↑
5	26.5	415.3195	415.3212	−4.1	C27H42O3	397.3071, 271.2059, 253.1955	Diosgenin	↑
6	18.6	415.3217	415.3212	1.2	C27H42O3	397.3102, 271.2060, 253.1955, 147.1172	Yamogenin	↑
7	15.3	397.3108	397.3106	0.5	C27H40O2	379.3001, 253.1964, 147.1177	3, 5-deoxytigogenin	↑
8	15.3	723.4298	723.4319	−2.9	C39H62O12	579.3154, 415.3211, 397.3099, 271.2059, 253.1954	Prosapogenin A	↑
9	9.9	1,065.5384	1,065.5481	−9.1	C51H84O23	903.4887, 757.4301, 741.3665, 595.3782	Protogracillin	↓
10	12.1	1,015.5490	1,015.5477	1.3	C51H82O20	869.4898, 853.4949, 561.3757, 415.3205, 397.3098, 253.1945	Asperin	↓
11	11.8	1,045.5571	1,045.5583	−1.1	C52H84O21	883.5043, 737.4463, 575.3966, 429.3360, 253.1958	Zingiberensis saponin	↓
12	16.2	883.4714	883.4691	2.6	C45H70O17	737.4107, 591.3532, 429.3003, 411.2898, 285.1853	7-Oxodioscin	↑
13	15.9	723.4278	723.4319	−5.7	C39H62O12	579.3138, 577.3709, 415.3197, 397.3087, 271.2050, 253.1945	(3β, 25R)-spirost-5-en-3-yl3-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside	↑
14	17.7	737.4100	737.4112	−1.6	C39H60O13	591.3521, 429.2995, 411.2891, 285.1849	Dioscorea nipponica saponin F	↑
15	11.1	901.4771	901.4797	−2.9	C45H72O18	739.4249, 577.3724, 415.3200, 397.3082, 271.2055, 253.1949	(3β, 25R)-spirost-5-en-3-ylβ-D-glucopyranosyl-(1 ⟶ 2)-β-D-glucopyranosyl-(1 ⟶ 4)-β-D-galactopyranoside	↓
16	16.2	867.4728	867.4742	−1.6	C45H70O16	849.4625, 725.3728, 721.4165, 575.3552, 413.3044, 395.2934, 377.2830, 253.1939	(3β)-spirosta-5,25(27)-dien-3-yl6-deoxy-α-L-mannopyranosyl-(1 ⟶ 2)-[6-deoxy-α-L-mannopyranosyl-(1 ⟶ 4)]-β-D-glucopyranoside	↑
17	11.0	1,177.6012	1,177.6006	0.5	C57H92O25	1015.5440, 869.4860, 723.4282, 577.3717, 415.3187, 397.3083	Pseudoproto-Pb	↓
18	10.0	1,045.5188	1,045.5219	−3.0	C51H80O22	883.4659, 737.4080, 591.3501, 429.2990, 411.2893, 285.1849, 267.1747	(3β, 25S)-3-{[6-deoxy-α-L-mannopyranosyl-(1⟶2)-[6-deoxy-α-L-mannopyranosyl-(1⟶4)]-β-D-glucopyranosyl]oxy}-2-oxofurosta-5,20(22)-dien-26-yl β-D-glucopyranoside	↓
19	18.6	869.4820	869.4898	−9.0	C45H72O16	725.3685, 723.4259, 577.3688, 415.3179, 397.3076, 271.2044, 253.1937	Hypoglaucine A	↑
20	18.7	723.4292	723.4319	−3.7	C39H62O12	579.3149, 577.3717, 415.3199, 397.3092, 271.2057, 253.1953	Progenin II	↑
21	19.7	869.4844	869.4898	−6.2	C45H72O16	723.4272, 577.3694, 415.3168, 397.3066, 271.2029, 253.1922	Dioscin	—
22	17.5	867.4724	867.4742	−2.1	C45H70O16	721.4123, 575.3571, 413.3043, 395.2944	Compound 1	↑
23	18.7	851.4771	851.4793	−2.6	C45H70O15	705.4174, 559.3603, 397.3100, 253.1952	Compound 2	↑
24	16.4	413.3053	413.3055	−0.5	C27H40O3	395.2958, 377.2827, 269.1902, 251.1794	Compound 3	↑
25	10.6	1,029.5303	1,029.5270	3.2	C51H80O21	867.4760, 721.4175, 575.3578, 413.3059, 395.2955, 269.1904, 251.1799	Compound 4	↓
26	10.9	869.4886	869.4898	−1.4	C45H72O16	725.3738, 723.4295, 577.3740, 415.3204, 397.3098, 271.2053, 253.1953	Compound 5	↓
27	13.1	869.4858	869.4898	–4.6	C45H72O16	725.3724, 723.4290, 577.3706, 415.3184, 397.3078, 271.2041, 253.1935	Compound 6	↓
28	15.3	869.4853	869.4898	−5.2	C45H72O16	725.3719, 723.4287, 577.3713, 415.3189, 397.3088, 271.2056, 253.1950	Compound 7	↑
29	16.8	883.4653	883.4691	–4.3	C45H70O17	737.4080, 591.3508, 429.2987, 411.2887, 285.1848	Compound 8	↑
30	9.0	885.4835	885.4848	−1.5	C45H72O17	723.4312, 579.3161, 577.3732, 415.3212, 397.3102, 271.2063, 253.1956	Compound 9	↓
31	13.3	885.4816	885.4848	−3.6	C45H72O17	723.4275, 579.3124, 577.3703, 415.3176, 397.3073, 271.2032, 253.1922	Compound 10	↑, after↓
32	13.2	723.4304	723.4319	−2.1	C39H62O12	579.3149, 577.3727, 415.3196, 397.3098, 271.2058, 253.1951	Compound 11	↑, after↓