Sudan III


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Su·dan III

(sū-dan'), [C.I. 26100]
A red stain, used for neutral fat in histologic technique; it also stains the fatty envelope of the tubercle bacillus.
Synonym(s): Sudan red III
References in periodicals archive ?
Ehrenstorfer GmbH (Augsburg, Germany), and their chemical purities were 97.5% (Sudan I), 90.0% (Sudan II), 97.0% (Sudan III), 91.0% (Sudan IV), and 95.5% (Para Red), respectively.
These vacuoles were positive for Sudan III, Sudan black B, oil red O, Nile blue, periodic acid-Schiff, Schultz test, and digitonin stain, and were negative for performaric acid--Schiff stains.
The characteristic microscopic features of lipoprotein glomerulopathy are glomerular enlargement with marked, diffuse, microaneurysmal dilatation of the capillary lumina by amorphous lipoprotein thrombi, which stain positively with lipid-soluble dyes (Oil red O, Sudan III).
OBJETIVO: Precisar la utilidad de las pruebas de absorcion intestinal en heces (pH en heces, azucares reductores) y la tincion Sudan III en ninos con clinica de malabsorcion intestinal a disacaridos y esteatorrea.
Measures to stop imports of chilli and chilli products which contain Sudan I, Sudan II, Sudan III or Scarlet Red (Sudan IV) colourings were announced by the European Commission on January 21.
Droplets were tested for lipid content using three stains: Sudan III, Sudan IV, and Sudan Black B (one stain per squid).
This study compares the effectiveness of three different lysochromes (Sudan III, Oil Red O, and Sudan black) to the fingerprint red (Dragon's Red), black, and silver metallic powders as well as to ninhydrin in developing latent lip prints from long-lasting lipsticks on porous paper and cloth surfaces.
Con respecto a la reaccion de las muestras ante el sudan III y el sudan IV, solo se obtuvo una leve coloracion en el parenquima colapsado del mesofilo revelando asi la presencia de grasas y cutina en este tejido.
Tenders are invited for Supply of Chemicals -Picric Acid Solum, Diazo Reagent A, Diazo Reagent B, ISO Octane (2,2,4-Trimenthylpentane), Ethyl Acetate, Zinc Oxide Emplura, Isolation & Identification of oil soluble colour, i) Ammonia, All Solution of Reference colour:- Sudan-1, Sudan III, Sudan IV, Quinoline Yellow, Metanil Yellow, Methyl Orange (PH Indicator), Silica Gel G for TLC, Silver Nitrate Extra, Sucrose, Boric Acid Exrapure, Methanol, Buffer Tablet PH-4, Buffer Tablet PH-7,
Bio lab items : Acetone, Safrainne, Methylene Blue, Copper sulphate solution, Sudan III, Millons Reagent, Phenolphathalein, Biuret Reagent, Distilled Water, Starch Powder, Potassium Hydroxide, Sodium Cloride,
The following histochemical methods were used on the fresh material: ferric chloride for phenolic compounds; zinc chloride iodine for lignin and starch (JENSEN, 1962); Sudan III (SASS, 1951) and IV (GERLACH, 1984) for lipids in general; Lugol for the identification of starch (JOHANSEN, 1940); bromophenol blue for proteins (MAZIA et al., 1953); Schiff reagent (PAS) for neutral polysaccharides; Fehling's reagent for reducing sugars (SASS, 1951).
The different tissue fragments were treated differently as to obtain frozen slices of tissue, stained using the Sudan III method, as well as in the classical method by inclusion in paraffin and later to be sliced and stained using hematoxylin-eosine (H.E.).

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