Difference between revisions of "Berberis dye (berberis tibetasia) LC"
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= Chromatograms = | = Chromatograms = | ||
| − | ''berberis tibetasia''dyed silk sample (direct dye without mordant) was extracted and the extract was injected in HPLC-DAD-MS for analysis. | + | ''berberis tibetasia'' dyed 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 | HPLC-DAD profile and compunds identified | ||
Revision as of 09:18, 22 June 2017
Description
Historical importance
Summary of results
Analytical instrumentation and procedures
Chromatograms
berberis tibetasia dyed 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)
sample information
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]