Difference between revisions of "Berberis dye (berberis tibetasia) LC"
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[[File:Tibet beberry.PNG|center|frame|Absorbance at 350nm (mAU)]] | [[File:Tibet beberry.PNG|center|frame|Absorbance at 350nm (mAU)]] | ||
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| + | [[File:Tbb1.PNG|center|frame|Absorbance at 350nm (mAU)]] | ||
= Identified compounds = | = Identified compounds = | ||
Revision as of 09:17, 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)
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]