Guaiac

A solution used to test for the presence of occult blood in fecal matter.


A resin obtained from trees of the genus Guaiacum, either G. officinale or G. sanctum. An alcoholic solution of guaiac is used to test for occult blood in feces.


A substance obtained from the wood resin of guaiacum trees, guaiac is capable of generating a blue-colored reaction when peroxide is introduced to a stool sample, indicating the presence of blood.


Guaiac is a chemical employed to detect the presence of haemoglobin, the oxygen-carrying pigment found in red blood cells, in feces. These tests, known as faecal occult blood tests, are conducted to identify concealed bleeding in the digestive tract.


 


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