Digestibility of resistant starch type 3 is affected by crystal type, molecular weight and molecular weight distribution
نویسندگان
چکیده
Resistant starch type 3 (RS-3) holds great potential as a prebiotic by supporting gut microbiota following intestinal digestion. However the factors influencing digestibility of RS-3 are largely unknown. This research aims to reveal how crystal and molecular weight (distribution) influence its resistance. Narrow polydisperse ?-glucans degree polymerization (DP) 14–76, either obtained enzymatic synthesis or debranching amylopectins from different sources, were crystallized in 12 A- B-type crystals vitro digested. Crystal had largest on resistance digestion (A >>> B), followed (Mw) (high DP >> low DP) Mw distribution (narrow disperse > polydisperse). escaping changed compared that original crystals, whereas A-type unchanged. indicates pancreatic ?-amylase binds acts differently crystals.
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ژورنال
عنوان ژورنال: Carbohydrate Polymers
سال: 2021
ISSN: ['1879-1344', '0144-8617']
DOI: https://doi.org/10.1016/j.carbpol.2021.118069