Enzyme-resistant starch (RS) refers to the starch which can escape digestion in small intestine and has many particularly physiological functions after it fermented with micro biota in colon.

• 难消化淀粉是指难以被小肠吸收消化的淀粉，它能逃避小肠的吸收进入大肠，被结肠微生物发酵产生许多独特的生理作用。