File Name : figure s1.tif Caption : figure s1. effects of tgo on scfas in faeces. (a) acetic acid; (b) propanoic acid; (c) isobutyric acid; (d) butyric acid;. the data is presented as mean ± sem, with 6-8 mice in each group. means with different letters (a, b, c) indicate significant differences from each other (p < 0.05).