Decreased mucosal thickness and amount of mucosal adherent mucus,increased DNA synthesis were found after CHCS feeding for 5 weeks in a dose and time dependent mannner.

• 实验第5周时，实验组大鼠胃粘膜厚度明显变薄，表面粘液含量减少和DNA合成速率加快，随实验时间的延长，上述改变进一步加重。