英语语法分析

Conclusion: The laxative action of galactitol displays certain dosage-effect relationship.

结论：半乳糖醇的通便作用具有一定的量效关系。

Results: Galactitol can obviously shorten the time of pass through stomach and intestines, action of others is not obvious.

结果：半乳糖醇具有显著的缩短通便时间作用，其他各组份作用不显著。