PROCESS FOR PRODUCING XYLITOL USING CANDIDA TROPICALIS

摘要

PURPOSE: Provided is a method for manufacturing xylitol in a high yield, which is used as a sweetener having lower carol than sugar and in producing food like sugar-free gum, and is especially useful for diabetics. CONSTITUTION: A method for manufacturing xylitol is comprised of the following steps of: i) inoculating Candida tropicalis (ATCC 13803) into YP broth containing 2% glucose and 6% xylose and cultivating the bacteria at pH 6 for 24 hours at 200rpm; and ii) inoculating the bacteria into YP medium containing 2.5-3.5%, preferably 3.1% glucose and 10-15%, preferably 10%, xylose; and iii) cultivating the bacteria at pH 6 at 500-550rpm, preferably 500rpm, at 28-32, preferably 30 deg.C. Wherein, oxygen concentration is controlled to increase the yield of xylitol.