C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 7/64 (2006.01) A23L 1/03 (2006.01) C07C 59/42 (2006.01) C12P 7/42 (2006.01) C12P 17/06 (2006.01)
Patent
CA 2378968
A fatty acid which is a linear fatty acid having n carbon atoms (wherein n is an even number of 10 or more) and carrying a double bond at least at the [n-6]- position or a composition containing this fatty acid is treated with cells of a microorganism (or optionally processed culture broth thereof) having an activity of introducing hydroxy and hydrogen respectively into the [n-5]- and [n-6]-positions of a fatty acid which is a linear fatty acid having n carbon atoms (wherein n is an even number of 10 or more) and carrying a double bond at least at the [n-6]-position to convert the double bond at the [n-6]- position into a single bond, thereby forming an [n-5]-hydroxyfatty acid having a single bond at the [n-6]-position. Subsequently, the obtained [n-5]- hydroxyfatty acid is treated with cells of a microorganism (or optionally processed culture broth thereof) having an activity of .beta.-oxidizing an [n- 5]-hydroxyfatty acid having a single bond at the [n-6]-position and thus formed .delta.-lactone is collected.
Un acide gras qui est un acide gras linéaire ayant n atomes de carbone (dans quoi n est un nombre pair de 10 ou plus) et portant une double liaison au moins à la position n-6 ou une composition contenant cet acide gras est traité avec les cellules d'un micro-organisme (ou éventuellement un bouillon de culture de cela) ayant une activité d'introduction d'hydroxy et d'hydrogène respectivement dans les positions n-5 et n-6 de l'acide gras qui est un acide gras linéaire ayant n atomes de carbone (dans quoi n est un nombre pair de 10 ou plus) et portant une double liaison au moins à la position n-6 pour convertir la double liaison à la position n-6 en une simple liaison, formant ainsi un acide hydroxy-gras en n-5 ayant une seule liaison à la position n-6. Par conséquent, l'acide hydroxy-gras en n-5 obtenu est traité avec des cellules d'un micro-organisme (ou un bouillon de culture de cela traité) ayant une activité de .beta.-oxydation d'un acide hydroxy-gras en n-5 ayant une seule liaison à la position n-6, ce qui fait qu'on recueille le .delta.-lactone formé.
Ishiguro Hiroki
Masuda Yukiko
Saitoh Chiaki
Yashiro Atsushi
Goudreau Gage Dubuc
Kyowa Hakko Kogyo Co. Ltd.
Ltd. Kyowa Hakko Food Specialties Co.
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