肠道细菌真杆菌可使黄酮类化合物的 C-和 O-糖苷脱糖基化。
Intestinal bacterium Eubacterium cellulosolvens deglycosylates flavonoid C- and O-glucosides.
机构信息
Department of Gastrointestinal Microbiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany.
出版信息
Appl Environ Microbiol. 2012 Nov;78(22):8151-3. doi: 10.1128/AEM.02115-12. Epub 2012 Sep 7.
Abstract
Eubacterium cellulosolvens cleaved the flavone C-glucosides homoorientin and isovitexin to their aglycones luteolin and apigenin, respectively. The corresponding isomers, orientin and vitexin, or other polyphenolic C-glucosides were not deglycosylated. E. cellulosolvens also cleaved several O-coupled glucosides of flavones and isoflavones to their corresponding aglycones.
摘要
纤维丁酸弧菌可将黄酮 C-糖苷橙皮苷和荭草苷分别裂解为其苷元木樨草素和芹菜素。相应的异构体，即橙皮苷和牡荆苷，或其他多酚 C-糖苷则没有被去糖基化。纤维丁酸弧菌还可裂解几种黄酮和异黄酮的 O-连接糖苷，生成相应的苷元。
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