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  • Title: Quantifying Grain Digestibility of Starch Fractions in Milled Rice.
    Author: Alhambra CM, Dhital S, Sreenivasulu N, Butardo VM.
    Journal: Methods Mol Biol; 2019; 1892():241-252. PubMed ID: 30397809.
    Abstract:
    Rice is one of the staple foods which serves as the major source of carbohydrate in the human diet. A typical milled rice grain is mainly composed of starch of up to 80-90%, with an average of 6-8% proteins and some trace amounts of dietary fiber. Although cooked white rice can elicit variable glycemic response, a portion of rice starch may evade digestion in the human small intestine. The digested portion of rice can be estimated and characterized in vitro based on starch digestion extent and rate (kinetics). The indigestible portion of starch can also be quantified. This chapter will present micro-scale methods to quantify rice starch digestion rate and extent based on the sugar fractions released after treating the samples with digestive enzymes.
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