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Published on: August 23, 2019
Degradation of Marine Algae-Derived Carbohydrates by Bacteroidetes Isolated from Human Gut Microbiota
Miaomiao Li1,2, Qingsen Shang3, Guangsheng Li4
1Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, School of Medicine and pharmacy, Ocean University of China, Qingdao 266003, China. liaa99@163.com.
Abstract:
Carrageenan, agarose, and alginate are algae-derived undigested polysaccharides that have been used as food additives for hundreds of years. Fermentation of dietary carbohydrates of our food in the lower gut of humans is a critical process for the function and integrity of both the bacterial community and host cells. However, little is known about the fermentation of these three kinds of seaweed carbohydrates by human gut microbiota. Here, the degradation characteristics of carrageenan, agarose, alginate, and their oligosaccharides, by Bacteroides xylanisolvens, Bacteroides ovatus, and Bacteroides uniforms, isolated from human gut microbiota, are studied.
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