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Yuan Q, Lv K, Huang J, Sun S, Fang Z, Tan H, Li H, Chen D, Zhao L, Gao C, Liu Y. Simulated digestion, dynamic changes during fecal fermentation and effects on gut microbiota of Avicennia marina (Forssk.) Vierh. fruit non-starch polysaccharides. Food Chem X 2022; 16:100475. [PMID: 36263243 PMCID: PMC9574768 DOI: 10.1016/j.fochx.2022.100475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 09/27/2022] [Accepted: 10/11/2022] [Indexed: 11/08/2022] Open
Abstract
Avicennia marina fruit non-starch polysaccharides (AMFPs) were obtained and analyzed. Dynamic changes of AMFPs during simulated digestion and fermentation were revealed. AMFPs were not digested by the digestive juice but were utilized by gut microbiota. Beneficial microbiota, such as Mistuokella, and Prevotella were obviously increased. Harmful bacteria were obviously inhibited and SCFA levels were obviously promoted.
Grey mangrove (Avicennia marina (Forssk.) Vierh.) fruit is a traditional folk medicine and health food consumed in many countries. In this study, its polysaccharides (AMFPs) were obtained and analyzed by chemical and instrumental methods, with the results indicating that AMFPs consisted of galactose, galacturonic acid, arabinose, and rhamnose in a molar ratio of 4.99:3.15:5.38:1.15. The dynamic changes in AMFPs during the digestion and fecal fermentation processes were then investigated. The results confirmed that AMFPs were not depolymerized by gastric acid and various digestive enzymes. During fermentation, 56.05 % of the AMFPs were utilized by gut microbiota. Galacturonic acid, galactose, and arabinose from AMFPs, were mostly consumed by gut microbiota. AMFPs obviously decreased harmful bacteria and increased some beneficial microbiota, including Megasphaera, Mistuokella, Prevotella, and Megamonas. Furthermore, AMFPs obviously increased the levels of various short-chain fatty acids. These findings suggest that AMFPs have potential prebiotic applications for improving gut health.
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Affiliation(s)
- Qingxia Yuan
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
| | - Kunling Lv
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China,College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, Guangxi, China
| | - Jinwen Huang
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
| | - Shujing Sun
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
| | - Ziyu Fang
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
| | - Hongjie Tan
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
| | - Hong Li
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China
| | - Dan Chen
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, China
| | - Longyan Zhao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China,Corresponding authors.
| | - Chenghai Gao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China,Corresponding authors.
| | - Yonghong Liu
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, Guangxi, China,Corresponding authors.
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