Difference between revisions of "Berberis dye (berberis tibetasia) LC"
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| − | = Summary of results = | + | == Summary of results == |
| − | = Analytical instrumentation and procedures = | + | == Analytical instrumentation and procedures == |
| − | = 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 | + | HPLC-DAD profile and compounds identified |
[[File:Tibet beberry.PNG|center|frame|Absorbance at 350nm (mAU)]] | [[File:Tibet beberry.PNG|center|frame|Absorbance at 350nm (mAU)]] | ||
| − | sample information | + | == sample information == |
[[File:Tbb1.PNG|center|frame|Absorbance at 350nm (mAU)]] | [[File:Tbb1.PNG|center|frame|Absorbance at 350nm (mAU)]] | ||
| − | = Identified compounds = | + | == Identified compounds == |
[[[SliderGallery rightalign|~HPLC-DAD|RutiG~Rutin UV-Vis|ieg.jpg~Quercetin UV-Vis]]] | [[[SliderGallery rightalign|~HPLC-DAD|RutiG~Rutin UV-Vis|ieg.jpg~Quercetin UV-Vis]]] | ||
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[[Category:Dye Analysis]] | [[Category:Dye Analysis]] | ||
| + | [[Category:Reference Materials]] | ||
| + | [[Category:Natural Dyes]] | ||
Revision as of 11:10, 26 July 2017
thumb| from Denver Botanic Gardens
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 compounds 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]