Glycyrrhizin

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Negative ESI  
 
Negative ESI  
 
[[Image:Glycyrrhizin_NegMS.jpg|600px]]
 
[[Image:Glycyrrhizin_NegMS.jpg|600px]]
 +
 +
{| class="wikitable" style="width:80%"
 +
|-
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| Instrument || Shimadzu LC-IT-TOF MS ESI
 +
|-
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| Column || Waters Atlantis T3 (2.1 mm x 150 mm)
 +
|-
 +
| Column Temperature|| 40℃ 
 +
|-
 +
| Solvent A || 5 mM Ammonium acetate solution
 +
|-
 +
| Solvent B || acetonitrile
 +
|-
 +
| Gradient || 5% to 100% Solvent B (0-30 min), 100% Solvent B (30-40 min)
 +
|-
 +
| Source voltage || – 3.5 kV (negative), 4.5 kV (positive)
 +
|-
 +
| Capillary temperature || 200 °C
 +
|-
 +
| Nebulizer gas || 1.5 l/min
 +
|}

Revision as of 16:59, 8 December 2009



Upper classes



Glycyrrhizin
Glycyrrhizin.png
Structural Information
Systematic Name (3.beta.,20.beta.)-20-carboxy-11-oxo-30-norolean-12-en-3-yl 2-O-.beta.-D-glucopyranuronosyl-.alpha.-D-Glucopyranosiduronic acid
Common Name
  • Glycyrrhizin
  • Glycyrrhizic acid (8CI)
  • 30-Noroleanane, .alpha.-D-glucopyranosiduronic acid deriv.
  • 18.beta.-Glycyrrhizic acid
  • Glycyron
  • Glycyrrhetinic acid glycoside
  • Glycyrrhizinic acid
  • NSC 167409
  • NSC 234419
  • Potenlini
  • .beta.-Glycyrrhizin
Symbol
Formula C42H62O16
Exact Mass 822.4037859360001
Average Mass 822.93208
SMILES C(C7(C)2)(=CC(C(C7(C)6)C(C5CC6)(CCC(C5(C)C)OC(C(OC(O4)C(O)C(O)C(O)C4C(O)=O)3)OC(C(O)C3O)C(O)=O)C)=O)C(C1(CC2)C)CC(CC1)(C)C(O)=O
Physicochemical Information
Melting Point
Boiling Point
Density
Optical Rotation
Reflactive Index
Solubility
Spectral Information
Mass Spectra
UV Spectra
IR Spectra
NMR Spectra
Chromatograms




Glycyrrhizae Radix LC-MS


Mass Spectral Data

Positive ESI Glycyrrhizin PosMS.jpg

Negative ESI Glycyrrhizin NegMS.jpg

Instrument Shimadzu LC-IT-TOF MS ESI
Column Waters Atlantis T3 (2.1 mm x 150 mm)
Column Temperature 40℃
Solvent A 5 mM Ammonium acetate solution
Solvent B acetonitrile
Gradient 5% to 100% Solvent B (0-30 min), 100% Solvent B (30-40 min)
Source voltage – 3.5 kV (negative), 4.5 kV (positive)
Capillary temperature 200 °C
Nebulizer gas 1.5 l/min
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