Difference between revisions of "Berberis dye (berberis tibetasia) LC"
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| Line 35: | Line 35: | ||
|- | |- | ||
| palmatine | | palmatine | ||
| − | | | + | | 32.5 |
| 351 | | 351 | ||
| 348,428 | | 348,428 | ||
| Line 41: | Line 41: | ||
|- | |- | ||
| jatrorrhizine | | jatrorrhizine | ||
| − | | | + | | 29.6 |
| 337 | | 337 | ||
| 348,428 | | 348,428 | ||
| Line 47: | Line 47: | ||
|- | |- | ||
| berberine | | berberine | ||
| − | | | + | | 32.5 |
| 335 | | 335 | ||
| 348,428 | | 348,428 | ||
Revision as of 09:44, 22 June 2017
Description
Historical importance
Summary of results
Analytical instrumentation and procedures
Chromatograms
berberis tibetasiadyed silk sample (direct dye without mordant) was extracted and the extract was injected in HPLC-DAD-MS for analysis.
HPLC-DAD profile and compunds identified
Absorbance at 350nm (mAU)
Identified compounds
| Compound | RT (min.) | MW | UV/vis | Other | |
|---|---|---|---|---|---|
| palmatine | 32.5 | 351 | 348,428 | minor component | |
| jatrorrhizine | 29.6 | 337 | 348,428 | ||
| berberine | 32.5 | 335 | 348,428 | major component |
References
[1] [2] [3]