Fig. 1.

Possible change in SEC profiles of R. tanguticum polysaccharides during in vitro digestion (A) and human fecal fermentation (B). RP, R. tanguticum polysaccharides; RPS, RPG, and RPI, RP digested at different digestion stages, including salivary, saliva-gastric, and saliva-gastrointestinal digestions, respectively; RPI-0 h, RPI-6 h, RPI-12 h, RPI-24 h, and RPI-48 h, RPI fermented by human feces at the time points of 0, 6, 12, 24, and 48 h, respectively;