Difference between revisions of "Saffron (Crocus sativus) LC"
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== Summary of results == | == Summary of results == | ||
| − | Saffron is a direct dye. The main dyeing components are carotenoids: crocetin and crocetin esters. They are grouped as CI75100 | + | Saffron is a direct dye. The main dyeing components are carotenoids: crocetin and crocetin esters. They are grouped as CI75100, Natural Yellow 6. |
== Analytical instrumentation and procedures == | == Analytical instrumentation and procedures == | ||
Revision as of 11:07, 27 September 2017
[[File:|thumb|Yellow Botanic Gardens]]
Description
The saffron crocus is a mall, stemless perennial herb. It was naturalized perhaps from the wild crocus in the Mediterranean area. Now it is grows in temperate and subtropical areas in Europe and Asia.
The dried flower stigmas was used.
Historical importance
Summary of results
Saffron is a direct dye. The main dyeing components are carotenoids: crocetin and crocetin esters. They are grouped as CI75100, Natural Yellow 6.
Analytical instrumentation and procedures
Chromatograms
Absorbance at 450nm (mAU)
Sample information
sample information, By R. A. Laursen, Boston University
Identified compounds
| Compound | RT (min.) | MW | UV/vis | Other |
|---|---|---|---|---|
| crocin | 33.8 | xx | xx | Comments here |
| x | x | x | x | |
| x | x | x | x | |
| x | x | x | x |
References
[1] [2] [3]