Difference between revisions of "Berberine sulfate"
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== Description == | == Description == | ||
| − | Yellow needle crystals obtained from the roots of the barberry (''Berberis vulgaris'') or goldenseal (''Hydrastis canadensis'') plants. Berberine sulfate is used as a [ | + | Yellow needle crystals obtained from the roots of the barberry (''Berberis vulgaris'') or goldenseal (''Hydrastis canadensis'') plants. Berberine sulfate is used as a [[fluorochrome]] for biological staining where it has a mean excitation wavelength of 430 nm (violet/blue) and a mean emission wavelength of 550 nm (Wolbers et al., 1990). |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 13:45, 8 January 2014
Description
Yellow needle crystals obtained from the roots of the barberry (Berberis vulgaris) or goldenseal (Hydrastis canadensis) plants. Berberine sulfate is used as a Fluorochrome for biological staining where it has a mean excitation wavelength of 430 nm (violet/blue) and a mean emission wavelength of 550 nm (Wolbers et al., 1990).
Synonyms and Related Terms
berberine sulphate (Br.); barberry (Berberis vulgaris); goldenseal (Hydrastis canadensis)
Other Properties
Soluble in ethanol. Slightly soluble in water.
| Composition | (C20H18NO4)2-SO4-3H2O |
|---|
Hazards and Safety
Toxic by ingestion, inhalation and skin absorption.
Additional Information
° R. Wolbers, N. Sterman, C. Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings,Getty Conservation Institute, Los Angeles, 1990.
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1192