ACCESSION: MSBNK-Fiocruz-FIO00913
RECORD_TITLE: Vitexin; LC-ESI-QTOF; MS2; [M-H]-
DATE: 2020.06.09
AUTHORS: Markus Kohlhoff, Natural Product Chemistry Lab (FIOCRUZ Minas, Brazil)
LICENSE: CC BY
COPYRIGHT: (c) Institute Rene Rachou (FIOCRUZ Minas, Brazil)
COMMENT: [Raw Data] CBA68_Vitexin_neg_10eV.txt

CH$NAME: Vitexin
CH$COMPOUND_CLASS: Natural Product; Flavonoids
CH$FORMULA: C₂₁H₂₀O₁₀
CH$EXACT_MASS: 432.10565
CH$SMILES: OC[C@H]([C@@H](O)4)O[C@H]([C@H](O)[C@@H](O)4)c(c(O)3)c(O1)c(c(O)c3)C(=O)C=C(c(c2)ccc(O)c2)1
CH$IUPAC: InChI=1S/C21H20O10/c22-7-14-17(27)18(28)19(29)21(31-14)16-11(25)5-10(24)15-12(26)6-13(30-20(15)16)8-1-3-9(23)4-2-8/h1-6,14,17-19,21-25,27-29H,7H2/t14-,17-,18+,19-,21+/m1/s1
CH$LINK: KEGG C01460
CH$LINK: INCHIKEY SGEWCQFRYRRZDC-VPRICQMDSA-N

AC$INSTRUMENT: maXis (Bruker Daltonics)
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: CAPILLARY_VOLTAGE 4500 V
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: COLLISION_GAS Nitrogen
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 8 l/min
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 200 C
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: NEBULIZER 3.0 bar
AC$CHROMATOGRAPHY: COLUMN_NAME Shimadzu Shim-Pack XR-ODS III; C18; 2.2um; 80A; 2.0x150mm
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 5-100%B in 10min
AC$CHROMATOGRAPHY: FLOW_RATE 400ul/min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile with 0.1% formic acid

MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: FIND_PEAK centroid
MS$DATA_PROCESSING: WHOLE Mass++ 2.7.5

PK$SPLASH: splash10-001i-0000900000-8285b100a0b17a8dfb1d
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  311.056100 7700.000000 15
  431.097200 503820.000000 999
  431.136700 11275.000000 22
  431.168400 10998.000000 22
  432.100400 136957.000000 272
  433.102500 23093.000000 46
//