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|Capillary temperature=200 °C
 
|Capillary temperature=200 °C
 
|Nebulizer gas=1.5 l/min
 
|Nebulizer gas=1.5 l/min
|Fragmentation=
+
|Fragmentation=12.60&&Liquiritin&&C<sub>21</sub>H<sub>22</sub>O<sub>9</sub>&&417.1191
12.60&&Liquiritin&&C<sub>21</sub>H<sub>22</sub>O<sub>9</sub>&&417.1191
+
&&12.85&&Liquiritin apioside&&C<sub>26</sub>H<sub>22</sub>O<sub>9</sub>&&549.1614
12.85&&Liquiritin apioside&&C<sub>26</sub>H<sub>22</sub>O<sub>9</sub>&&549.1614
+
&&13.41&&Licoricesaponin G2&&C<sub>42</sub>H<sub>62</sub>O<sub>17</sub>&&837.3914
13.41&&Licoricesaponin G2&&C<sub>42</sub>H<sub>62</sub>O<sub>17</sub>&&837.3914
+
&&14.10&&Glycyrrhizin&&C<sub>42</sub>H<sub>62</sub>O<sub>16</sub>&&821.3965
14.10&&Glycyrrhizin&&C<sub>42</sub>H<sub>62</sub>O<sub>16</sub>&&821.3965
+
&&14.26&&Licoricesaponin A3&&C<sub>48</sub>H<sub>72</sub>O<sub>21</sub>&&983.4493
14.26&&Licoricesaponin A3&&C<sub>48</sub>H<sub>72</sub>O<sub>21</sub>&&983.4493
+
&&14.47&&Licoricesaponin H2&&C<sub>42</sub>H<sub>62</sub>O<sub>16</sub>&&821.3965
14.47&&Licoricesaponin H2&&C<sub>42</sub>H<sub>62</sub>O<sub>16</sub>&&821.3965
+
&&14.92&&Licoricesaponin E2&&C<sub>42</sub>H<sub>60</sub>O<sub>16</sub>&&819.3809
14.92&&Licoricesaponin E2&&C<sub>42</sub>H<sub>60</sub>O<sub>16</sub>&&819.3809
+
&&16.12&&Licorice glycoside E&&C<sub>35</sub>H<sub>35</sub>NO<sub>14</sub>&&692.1985
16.12&&Licorice glycoside E&&C<sub>35</sub>H<sub>35</sub>NO<sub>14</sub>&&692.1985
+
 
|JDX=Test.jdx.gz
 
|JDX=Test.jdx.gz
 
}}
 
}}

Latest revision as of 17:20, 9 December 2009

[edit] 2D-Mass chromatogram (Condition 1)

Glycyrrhizae Radix LC1.jpg

Instrument Shimadzu LC-IT-TOF MS ESI (Negative ion mode)
Column Waters Atlantis T3 (2.1 mm x 150 mm)
Column Temperature 40℃
Solvent A 5 mM Ammonium acetate solution
Solvent B acetonitrile
Gradient 10% to 100% Solvent B (0-30 min), 100% Solvent B (30-40 min)
Source voltage – 3.5 kV
Capillary temperature 200 °C
Nebulizer gas 1.5 l/min
Retention Time (min) Compounds Molecular formula (M-H)- ions
12.60 Liquiritin C21H22O9 417.1191
12.85 Liquiritin apioside C26H22O9 549.1614
13.41 Licoricesaponin G2 C42H62O17 837.3914
14.10 Glycyrrhizin C42H62O16 821.3965
14.26 Licoricesaponin A3 C48H72O21 983.4493
14.47 Licoricesaponin H2 C42H62O16 821.3965
14.92 Licoricesaponin E2 C42H60O16 819.3809
16.12 Licorice glycoside E C35H35NO14 692.1985
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