This separation and recovery of the coproporphyrine and uroporphyrin of a culture broth

摘要

To to separate and recover the coproporphyrine and uroporphyrin of a culture broth. / p & & p & this process is characterizes in that: 1on adjusted between 2, 5 and 4, the ph of the liquid phase of a culture broth containing coproporphyrine and uroporphyrin precipitate to form a solid containing these two substances, precipitate which is collected; 2on prepare an aqueous alkaline solution of this precipitate which the ph is adjusted to the - above 4, but not more than 6 to form a solid containing the precipitate coproporphyrine, and this precipitate and 3on adjusted between 1 and 4, the ph of the liquid that remains after it has collected this precipitate to form a solid containing the precipitate uroporphyrin, precipitate that is collected. / p & & p & these two porphyrins have applications medical, for example, in order to improve the hepatic function.