Gunzberg's test

Günz·berg's test

(günts′bərgz, -bĕrks′)
n.
A test for detecting hydrochloric acid utilizing phloroglucinol and vanillin, which produce a bright red color in the presence of the acid.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.