Table 1.

Dietary polysaccharides regulate intestinal flora in the treatment of type 2 diabetes.

Polysaccharide Sources	Experimental Model	Affected Intestinal Flora	Experimental Results	Reference
Pumpkin	Rats with type 2 diabetes mellitus	The relative abundance of Bacteroidetes, Deltaproteobacteri, and Veillonellaceae increased	Diabetes symptoms have subsided	[106]
Tea		The relative abundance of Lachnospira, Victivallis, Roseburia, and Fluviicola was recovered		[107]
Sea cucumber		The relative abundance of beneficial bacteria increased and that of harmful bacteria decreased		[108]
Plantago asiatica		The relative abundance of Bacteroides vulgatus, Prevotella loescheii, and Bacteroides vulgates increased		[110]
Ganoderma lucidum		The relative abundance of harmful bacteria Aerococcus, Ruminococcus decreased and the beneficial bacteria Parabacteroides and Bacteroides increased		[111]