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Sudan
(redirected from Sudan Black B)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
Sudan /Su·dan/ (soo-dan´) a group of azo compounds used as biological stains for fats.
Sudan black B  a black, fat-soluble diazo dye, used as a stain for fats.

Sudan
a group of lipophilic azo compounds used as biological stains for fats, e.g. Sudan III, Sudan IV.

Sudan stain test
a useful screening test for steatorrhea. Feces mixed with Sudan III or Sudan IV stain are examined microscopically for detection of undigested (direct test) or digested (indirect test) fats that appear as red-stained globules.


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