【発明の名称】醗酵法で製造されたリボフラビンの精製法

Title:

【発明の名称】醗酵法で製造されたリボフラビンの精製法

Document Type and Number:

Japanese Patent JPH082903

Kind Code:

B2

Abstract:

A process for the purification of riboflavin prepared by fermentation, which is characterised in that the contaminated riboflavin is suspended in water or in dilute aqueous acid and the suspension is heated with stirring to temperatures of 75 to 130 DEG C for 0.3 to 3 hours, a crystal change taking place, and, after cooling, the purified product being isolated in a manner known per se.

Inventors:

YOHANESU GURIMAA
HANSU KIIFUAA
KURISUTOFU MARUTEIN

Application Number:

JP16256891A

Publication Date:

January 17, 1996

Filing Date:

July 03, 1991

Export Citation:

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Assignee:

BASF AG

International Classes:

C07D475/14; C12P17/18; (IPC1-7): C07D475/14

Attorney, Agent or Firm:

Toshio Yano (2 outside)

Next Patent: PRODUCTION OF HYDROGEN PEROXIDE