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. 2020 Jan 28;9(2):84. doi: 10.3390/pathogens9020084

Table 1.

Characterization of the compounds by direct injection in the mass spectrometer.

Sample Number [M − H] RT MSn Fragments Names of the Suggested Structures
PiHE 1 191 18.80 173, 111, 85 Quinic acid
2 429 18.61 267 Ononin
3 431 18.43 295, 269 Vitexin
4 447 18.24 429, 419, 285, 151 Orientin
5 555 17.42 429, 401, 295, 267 Fukugentin
6 573 16.33 447, 420, 419, 403, 296, 269,268 NI
7 717 14.31 591, 565, 555, 429, 403, 401, 295, 267 Fukugiside
8 761 12.49 634, 608, 431 NI
9 777 10.35 447 NI
10 1111 9.53 571, 537, 509, 429 Fukugentin dimer
11 1113 8.04 555, 429 Fukugentin dimer
12 1129 6.14 1111, 1003, 877, 555, 429 Fukugentin dimer
13 1131 5.40 555, 429 NI
14 1275 1.39 718, 429 NI
DCMF 15 573 8.34 557, 431, 295, 269 NI
16 555 9.12 431, 429, 295, 269 Fukugentin
17 429 9.56 429, 403, 295 Ononin
18 561 10.10 539, 429, 413, 387 NI
EAF 19 573 6.40 447, 419, 269 NI
20 717 6.62 657, 635, 555, 429 Fukugiside
21 429 6.69 295, 269 Ononin
22 555 7.90 429 Fukugentin
23 1134 13.34 623, 555, 429, 299, 225 NI

Legend: PiHE, Platonia insignis hydroalcoholic extract; DCMF, dichloromethane fraction; EAF, ethyl acetate fraction; NI, not identified.