Patent · US Expired

Production of zeaxanthin

US3951743A · kind A · utility

27Cited by
0References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1974
Grant dateApr 20, 1976
Priority date
Expiry dateJul 18, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/85
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A process for the preparation of zeaxanthin which comprises culturing a microorganism of the genus Flavobacter producing this pigment in a nutrient medium containing at least one carbohydrate as assimilable carbon source, at least one source of assimilable amino nitrogen containing free amino acids, mineral salts, oligoelements and vitamins, the composition of the medium being modified by adding pyridoxine to it, and continuing culturing until a substantial quantity of intracellular zeaxanthin has been obtained.

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