Orcein, also archil, orchil, lacmus and C.I. Natural Red 28, are names for dyes extracted from several species of lichen, commonly known as "orchella weeds"...
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same as those of the related mixture known as orcein but in different proportions. In contrast with orcein, the principal constituent of litmus has an average...
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O-methylation with dimethylsulfate. It is used in the production of the dye orcein and as a reagent in some chemical tests for pentoses, such as Bial's Test...
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belonging to the family Roccellaceae, commonly called orchella weed or orchil. Orcein and other lichen dyes have largely been replaced by synthetic versions....
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presence of HBsAg is more commonly demonstrated by the use of the Shikata orcein technique, which uses a natural dye to bind to the antigen in infected liver...
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the EU. E175 Gold Gold Approved in the EU. E180 Pigment Rubine, Lithol Rubine BK Red Approved in the EU. E181 Tannin Brown E182 Orcein, Orchil Purple...
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dye with powder; woad or indigo dye for blue and cochineal dye for red. Orcein, or purple moss, was another common violet dye. It was known to the ancient...
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not on the soundtrack. "Thumbelina Information at Clear Black Lines". cbl.orcein.net. Retrieved 2014-01-17. Strauss, Bob (31 March 1994). "Manilow follows...
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used in histology which is useful in identifying elastic fibers. Often orcein or a combination of resorcinol and fuchsine are used for staining. For counterstaining...
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madder or cochineal, so Medieval violet colors were inclined toward red. Orcein, or purple moss, was another common purple dye. It was known to the ancient...
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an acronym for haematoxylin, orcein, phyloxin and saffron. nuclei appear blue (haematoxylin) elastin appears black (orcein) muscle appears red (phyloxin)...
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black color), but aldehyde fuchsin stains, Weigert's elastic stains, and orcein stains also work. These fibers give elastic cartilage great flexibility...
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Jones". 14 August 2020. D., Annie (6 September 2009). "Anime Swan Lake". Cbl.orcein.net. Retrieved 3 February 2010. "オオクワガタを販売するお店に行く – 自分のオオクワガタは販売業者から買ったものです"...
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absent in anetodermas. Elastic fibers stain well with aldehyde fuchsin, orcein, and Weigert's elastic stain in histological sections. The...
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(orange) 120 A E U Cochineal, carmines colour (red) 121 U Citrus red 2, Orcein, Orchil colour (red) 122 A E azorubine, carmoisine colour (red) (FDA: Ext...
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Methyl violet 10B Basic violet 3 42555 triarylmethane 548-62-9 Cudbear Orcein archil lacmus Natural red 28 758600 natural 1400-62-0 Curcumin Natural yellow...
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staining chromosomes in plant or animal tissues, as a replacement for Aceto-orcein stain. Toluidine blue is often used to identify mast cells, by virtue of...
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orcein-positive granules, whereas the grade of necroinflammatory activity is based on cholangitis and interface hepatitis. The accumulation of orcein-positive...
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"Orchella weeds," a lichen that is a source of a purple-blue dye extracted from orcein Punta Orchilla Lighthouse on El Hierro, in the Canary Islands This disambiguation...
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tartrate), 3 lbs alum, 4 pints tin liquor (stannous chloride), 6 lbs cudbear (orcein) and two buckets of urine. The alum, argol and tin liquor, which acted as...
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d-Limonene. Used as a fragrance, in cleaning products and in flavoring foods. Orcein – color (red) Orchil – color (red) Oregano (Origanum vulgare, O. heracleoticum...
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abundant and compact." Unlike Oxytalan fibres, elaunin fibres stain with orcein, aldehyde fuchsin and resorcin fuchsin without prior oxidation. Elaunin...
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favour of the squash technique. In 1941 he improved the latter by using orcein with acetic acid as a stain fixative, and subsequent work with A. C. Fabergé...
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contain the lichen substance orcin, which converts into the purple dye orcein in the ammonia fermentation process. Litmus, a water-soluble pH indicator...
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Gomori's aldehyde fuchsin; after preoxidation, some fibers will show up with orcein and resorcin fuchsin.(3,9) The oxytalan fiber is not visible when stained...
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used in chemistry as a pH indicator. Erythrolitmin is related to the orceins, and consists essentially of several phenoxazone and orcinol residues.[citation...
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with respect to their physical and chemical nature, such as repetitive DNA orcein banding, multiple DNA analysis and analysis of chemical nature of chromosomes...
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the parental cell. Unfixed nuclei have granular contents stained by aceto-orcein. Generally, when an insect (or host) comes in contact with Batkoa spores...
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