C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
167/103.1
C12P 13/06 (2006.01) C12N 9/10 (2006.01)
Patent
CA 1247031
ABSTRACT OF THE DISCLOSURE This invention is a method of producing L-serine by causing glycine to react with formaldehyde by using the culture solution or the microbe cells of a microorganism belonging to the genus Escherichia, having the ability of producing serine hydroxyrnethyltransferase and not having the practical ability of producing L-serine from glycine alone or enzymatic matter obtained through the treatment of the above culture solution or microbe cells. In this invention, the yield of L-serine can be increased either by carrying out the reaction while maintaining aldehyde concentration at 20 mM or below or by using microbe cells of the aforementioned microorganism after they are caused to contact glycine.
474481
Imadegawa Masami
Ishiwata Kenichi
Kawashima Hideki
Makiguchi Nobuyoshi
Suzuki Tadashi
Mitsui Chemicals Incorporated
Ridout & Maybee Llp
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