Comparative evaluation of three traditional herbal formulas on gastrointestinal motility in a mouse model of cold stress-induced dyspepsia

Figure 4 Intestinal transit activity of herbal formulas under cold stress. A: Morphology of the stomach and intestine after intragastric administration of charcoal; B: Gut length; C: Charcoal transit distance; D: Intestinal transit rate was compared; E: Paraffin-embedded jejunum tissue stained with hematoxylin-eosin; F-H: Villus height (F), villus width (G), and crypt depth (H) were compared. ^aP < 0.05, compared with the normal group; ^bP < 0.01, compared with the normal group; ^cP < 0.05, compared with the normal group; ^dP < 0.01, compared with the cold stress group (n = 4 or 8). YT: Yijung-tang; ST: Shihosogan-tang; PS: Pyeongwi-san; CS: Cold stress; MO: Mosapride.