Patent · US Expired

Process for producing coproporphyrin III

US4334021A · kind A · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 1980
Grant dateJun 8, 1982
Priority date
Expiry dateNov 28, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/83
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

In a process for producing coproporphyrin III which comprises cultivating a coproporphyrin III-producing microorganism of the genus Arthrobacter in a culture medium containing a carbon source, a nitrogen source and a mineral and recovering coproporphyrin III from the culture broth, the improvement wherein the culture medium contains at least 0.1 g, per liter of the culture medium, of L-cystine, at leas 0.5 g, per liter of the culture medium, of Mg.sup.++, or both; and coproporphyrin III-producing microoganisms.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.