Research Article
Nostoc sphaeroides Kütz Polysaccharide Improved Constipation and Promoted Intestinal Motility in Rats
Figure 5
The midgut neurotransmitters 5-HT, VIP, and NO in serum and colonic tissue of rats were determined. (a) 5-HT in the colon; (b) 5-HT in colon; (c) VIP in the colon; (d) VIP in serum; (e) NO in serum; (f) NO in serum. Bars marked with different letters represent statistically significant difference (), whereas bars labeled with the same letter indicate no statistically significant difference between the groups (). Values represent mean ± SEM; n = 10 in each group.
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