ACCESSION: MSBNK-Fukuyama_Univ-FU000306
RECORD_TITLE: dulcoside B; LC-ESI-QQ; MS2; CE:60V; [M-H]-
DATE: 2016.01.19 (Created 2010.03.30, modified 2011.05.06)
AUTHORS: Matsuura F, Ohta M, Kittaka M, Faculty of Life Science and Biotechnology, Fukuyama University
LICENSE: CC BY-SA
PUBLICATION: Masaya Ohta, Shingo Sasa, Ai Inoue, Tatsuya Tamai, Isao Fujita, Koji Morita and Fumito Matsuura (2010) Characterization of Novel Steviol Glycosides from Leaves of
COMMENT: [Chemical] Source; leaves of Stevia rebaudiana Morita and Stevia rebaudiana Bertoni

CH$NAME: dulcoside B
CH$COMPOUND_CLASS: Natural Product; Steviol glycoside
CH$FORMULA: C₃₈H₆₀O₁₇
CH$EXACT_MASS: 788.38305
CH$SMILES: C(O)(=O)C(C)(C7)C([H])(C6(CC7)C)CCC(C1)(C([H])56)CC(C(CC5)(OC(O3)C(OC(O4)C(O)C(O)C(O)C(C)4)C(C(C3CO)O)OC(O2)C(O)C(C(O)C2CO)O)1)=C
CH$IUPAC: InChI=1S/C38H60O17/c1-16-12-37-10-6-20-35(3,8-5-9-36(20,4)34(48)49)21(37)7-11-38(16,15-37)55-33-30(54-31-27(46)25(44)22(41)17(2)50-31)29(24(43)19(14-40)52-33)53-32-28(47)26(45)23(42)18(13-39)51-32/h17-33,39-47H,1,5-15H2,2-4H3,(H,48,49)/t17-,18+,19+,20-,21-,22-,23+,24+,25+,26-,27+,28+,29-,30+,31-,32-,33-,35+,36+,37+,38-/m0/s1
CH$LINK: CHEMSPIDER 24606166
CH$LINK: INCHIKEY RAIDWZDHEYTVLQ-KKZJXQHPSA-N

AC$INSTRUMENT: 2695 HPLC Quadro Micro API, Waters
AC$INSTRUMENT_TYPE: LC-ESI-QQ
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 60.0 V
AC$MASS_SPECTROMETRY: DATAFORMAT Centroid
AC$MASS_SPECTROMETRY: DESOLVATION_GAS_FLOW 898 L/Hr
AC$MASS_SPECTROMETRY: DESOLVATION_TEMPERATURE 399 C
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE LOW-ENERGY CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: SCANNING 1 amu/sec (m/z = 20-2040)
AC$MASS_SPECTROMETRY: SOURCE_TEMPERATURE 100 C
AC$CHROMATOGRAPHY: COLUMN_NAME TSK-GEL Amide-80 2.0 mm X 250 mm (TOSOH)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 82/18 at 0 min, 66/34 at 60 min.
AC$CHROMATOGRAPHY: FLOW_RATE 0.2 ml/min
AC$CHROMATOGRAPHY: RETENTION_TIME 7.284 min
AC$CHROMATOGRAPHY: SAMPLING_CONE 23.57 V
AC$CHROMATOGRAPHY: SOLVENT A CH3CN
AC$CHROMATOGRAPHY: SOLVENT B H2O

MS$FOCUSED_ION: PRECURSOR_M/Z 787.00
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-004i-0004904000-3e58dc2530e916035e06
PK$NUM_PEAK: 22
PK$PEAK: m/z int. rel.int.
  316.6 26330 239
  317.3 49130 446
  370.7 3030 27
  371.5 1214 11
  387.2 1862 17
  412.3 4289 39
  413.0 28830 262
  413.6 1336 12
  460.6 12700 115
  461.4 6533 59
  478.3 11650 106
  479.0 110100 999
  479.6 7023 64
  606.0 1290 12
  606.6 5632 51
  607.3 3078 28
  624.4 24520 222
  625.2 46830 425
  626.1 1634 15
  640.3 1463 13
  641.1 3129 28
  787.2 2785 25
//