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Cooperation mechanism of flavonoid transformation by Bifidobacterium animalis subsp. lactis and Lacticaseibacillus paracasei.
Int J Food Microbiol
February 2025
School of Food Science and Technology, Shihezi University, Road Beisi, Shihezi, Xinjiang Province 832003, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty (mixed-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang 832000, China. Electronic address:
Elaeagnus moorcroftii Wall. ex Schlecht (EWS) as a suitable food matrix contains abundant flavonoids for promoting human health, this study aimed to use flavonoid-targeted metabolomics and transcriptome sequencing to investigate the transformation of flavonoids in EWS juice (EWSJ) by mono- and mixed-cultures fermentations of Bifidobacterium animalis subsp. lactis HN-3 (B.
View Article and Find Full Text PDFNew findings in the metabolism of the saffron apocarotenoids, crocins and crocetin, by the human gut microbiota.
Food Funct
September 2024
Research Group on Quality, Safety and Bioactivity of Plant-Derived Foods, CEBAS-CSIC, 30100 Murcia, Spain.
The main constituents of saffron are the apocarotenoids crocins and crocetin, present in the stigmas. Numerous healthy properties, especially those related to the effects on the central nervous system, have been attributed to these compounds but the metabolites responsible for these effects are still unknown. Previous evidences in animal models suggest a role for the gut microbiota in the pharmacokinetics and the neuroprotective effects of these compounds.
View Article and Find Full Text PDFProcyanidin B1 and -coumaric acid from whole highland barley ameliorated HFD-induced impaired glucose tolerance small intestinal barrier and hepatic glucose metabolism.
Food Funct
September 2024
College of Food Science and Technology, Henan University of Technology, No. 100, Lianhua Street, Zhengzhou, Henan 450001, China.
Highland barley is a natural source for the development of phenolic compounds that exhibit potential in preventing type 2 diabetes, which is important for the agricultural and industrial utilization of highland barley. However, very few studies have focused on their effect on small intestinal absorption and barrier dysfunction, as well as the direct target for the modulation of hepatic glucose metabolism. In this study, procyanidin B1 (PB) and -coumaric acid (CA) isolated from highland barley supplementation in impaired glucose tolerance (IGT) mice significantly increased lactase-phlorizin hydrolase (LPH), sulfotransferase 1A1 (SULT1A1), UDP glucuronosyltransferase 1A (UGT1A) families and sodium-dependent glucose transporter 1 (SGLT1) expression in the small intestine of IGT mice, indicating beneficial effects on polyphenol deglycosylation and transportation.
View Article and Find Full Text PDFGlycoside-metabolizing oxidoreductase D3dgpA from human gut bacterium.
Front Bioeng Biotechnol
June 2024
Metalloenzyme Research Group and Department of Plant Science and Technology, Chung-Ang University, Anseong, Republic of Korea.
The Gfo/Idh/MocA family enzyme DgpA was known to catalyze the regiospecific oxidation of puerarin to 3"-oxo-puerarin in the presence of 3-oxo-glucose. Here, we discovered that D3dgpA, cloned from the human gut bacterium sp. MRG-IFC3, catalyzed the regiospecific oxidation of various -/-glycosides, including puerarin, in the presence of methyl β-D-3-oxo-glucopyranoside.
View Article and Find Full Text PDFLutein and Zeaxanthin Enhance, Whereas Oxidation, Fructosylation, and Low pH Damage High-Density Lipoprotein Biological Functionality.
Antioxidants (Basel)
May 2024
Department of Nutrition, University of California Davis, Davis, CA 95616, USA.
High-density lipoproteins (HDLs) are key regulators of cellular cholesterol homeostasis but are functionally altered in many chronic diseases. The factors that cause HDL functional loss in chronic disease are not fully understood. It is also unknown what roles antioxidant carotenoids play in protecting HDL against functional loss.
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