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Indigo carmine, or 5,5′-indigodisulfonic acid sodium salt, is an organic salt derived from indigo by aromatic sulfonation, which renders the compound soluble in water. It is approved for use as a food colorant in the United States and European Union to produce a blue color.
20 Σεπ 2023 · Indigo carmine is one of the most used dyes in the textile industry, especially for dyeing denim, and it is also used in medicine due to its impressive applicability in diagnostic methods and surgical procedures, such as in gynecological and urological surgeries and microsurgery.
Indigo carmine solution, injected by the intravenous route, is used for the intra-operative analysis and detection of suspected ureteral injuries during abdominal and pelvic surgery. How do you make indigo carmine?
Indigotin (indigo carmine) is a dye clinically used for diagnostic purposes. When it is intravenously administered, it causes dark blue discolouration of urine within 5-15 minutes of injection. This intense coloration enables the detection of any lesions of the urinary tract.
An alkaline dextrose solution is shaken in the presence of oxygen and indigo carmine. Indigo carmine can be reduced by the alkaline sugar and oxidized by the oxygen in the bottle. When the reduced form of indigo carmine (amber color) is agitated, it becomes oxidized to the green color.
Dyeing Solutions. Methylene blue (vital dye) diluted with saline solution (1 : 10) or, preferably, indigo carmine 0.4% undiluted can be sprayed over the area suspected to contain the minor papilla in order to identify the papillary orifice or the papilla itself, respectively (see Fig. 21.4, B, C ).
Ινδικοκαρμίνη Indigo Carmine 25g Χρωστική. Παράγεται με σούλφωση του ινδικού (λουλάκι), η οποία επιτυγχάνεται με τη θέρμανση ινδικού (ή πάστας ινδικού) παρουσία θειικού οξέος.
