Page 308 - Applied Pharmacognosy

Types of Chemical markers

This releases the chemicals from the inside of the
cell (the "lysate"), which is then purified and
freeze-dried.
To test a sample for endotoxins, it is mixed with
lysate and water; endotoxins are present if
coagulation occurs.

A note on horseshoe crab blood

 Horseshoe crabs are arthropods that live primarily in /
around shallow ocean waters on soft sandy or muddy
bottoms.