Process for producing 1,4-dihydoxy-2-naphthoic acid

Details Process for producing 1,4-dihydoxy-2-naphthoic acid Process for producing 1,4-dihydoxy-2-naphthoic acid

C - Chemistry, Metallurgy

12

P

C12P 7/42 (2006.01) A23C 9/152 (2006.01) A23L 1/30 (2006.01) A61K 31/192 (2006.01) A61P 19/08 (2006.01)

Patent

CA 2540507

A process for producing 1,4-dihydoxy-2-naphthoic acid, characterized by starting to culture 1,4-dihydoxy-2-naphthoic acid producing bacterium belonging to propionic acid bacteria under anaerobic conditions and when the concentration of carbon sources in the culture medium has become 3.5 mass% or below, conducting culturing while aerating the culture medium.

L'invention concerne un procédé de production d'un acide 1,4-dihydoxy-2-naphtoïque caractérisé en ce qu'il consiste, dans un premier temps, à cultiver un acide 1,4-dihydoxy-2-naphtoïque produisant une bactérie appartenant aux bactéries de l'acide propionique, dans des conditions anaérobiques, et, quand la concentration en sources de carbone dans le milieu de culture a atteint au plus 3,5 % en masse, à effectuer la culture et à aérer en même temps le milieu de culture.

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