期刊名称：Journal of Nutritional Science and Vitaminology
印刷版ISSN：0301-4800
电子版ISSN：1881-7742
出版年度：1995
卷号：41
期号：1
页码：83-94
DOI：10.3177/jnsv.41.83
出版社：Center for Academic Publications Japan
摘要：Lactitol-oligosaccharide (LO) was prepared from lactitol by a transgalactosylation reaction catalyzed by Aspergillus oryzae β-galactosidase. The utilization of LO by human intestinal bacteria, the digestion of LO by rat jejunum mucosal homogenates and the effects of LO on the intestinal microflora in rats were compared with those of lactitol. 1) LO was utilized in vitro by Bifidobacterium , but lactitol was not utilized. 2) Neither LO nor lactitol were digested by rat jejunum mucosal homogenates. 3) A significant increase in the fecal counts of Bifidobacterium was observed in the LO diets. 4) The concentration of organic acids in feces and cecal contents significantly increased in the LO diets. 5) The concentration of fecal putrefactive products significantly decreased in the LO and lactitol diets. These findings suggest that LO is effective for improving intestinal conditions.
