Tag Archives: Hemochromogen crystal test

Takayama Test

By @forensicfield

What is Takayama Test?

Takayama test first discovered in 1912 by Takayama for blood detection.

Takayama test is used for the confirmation of blood not species origin.

It’s Uses In Forensics

It is also known as Hemochromogen crystal assay or Immunochromatographic test.

Basis Of The Test

It forms a ferro protoporphyrin ring by a reaction between pyridine and the iron atom of the heme group.

Indication for the Presence of Blood

It produced Salmon pink crystal if blood is present.

How To Perform This Test ?

Drawbacks

The drawback of Takayama test crystallization is difficult to obtained with old blood stains.

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