<P> Resistant starch (RS) is starch, including its degradation products, that escapes from digestion in the small intestine of healthy individuals . Resistant starch occurs naturally in foods but is also added to foods by the addition of isolated or manufactured types of resistant starch . </P> <P> Some types of resistant starch (RS1, RS2 and RS3) are fermented by the large intestinal microbiota, conferring benefits to human health through the production of short - chain fatty acids, increased bacterial mass, and promotion of butyrate - producing bacteria . </P>

What is the meaning of a resistant starch