Supplementary Data for the In Vitro Rumen Fermentation Study on Polarity-Defined Fractions of Sijunzi San (Four-Gentlemen Decoction)

Supplementary Materials Summary • Table S1 – Differentially abundant microbial taxa among SJZS fractions. • Table S2 – Full taxonomic abundance matrix (phylum → species). • Table S3 – LC-MS metabolite annotations with pathway links. • Table S4 – Bioactive compounds distinguishing high- vs. low-performing fractions. • Table S5 – Trend clusters