| 摘要 |
PROBLEM TO BE SOLVED: To provide a process for producing quinic acid and/or caffeic acid from chlorogenic acid contained in coffee grounds, as an effective method for utilization of coffee grounds, wherein quinic acid or caffeic acid is a raw material for a pharmaceutical agent or a functional material. SOLUTION: Disclosed is a process for producing quinic acid and/or caffeic acid, which is characterized by reacting chlorogenic acid contained in coffee grounds as a raw material with a microbial catalyst prepared from at least one microorganism selected from Aspergillus niger, Aspergillus awamori, Aspergillus sojae, Penicillium chrysogenum, Mucorales mucor, Mucorales rhyzopus and Monascus purpureus each of which has a chlorogenic acid hydrolase and has been grown in coffee grounds. COPYRIGHT: (C)2009,JPO&INPIT
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