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Abstract

Provided is a food or beverage composition for suppressing an expression of an interleukin 7 receptor (IL-7R) gene, including a resistant starch-rich starch satisfying the following conditions (a), (b), (c) and (d) as an active ingredient:

(a) having a resistant starch content of 60% or more, as determined by the AOAC Official Method 2002.02 for measuring resistant starch,(b) having a molecular weight peak more than or equal to 6×103 and less than or equal to 4×104,(c) having a molecular weight dispersity more than or equal to 1.5 and less than or equal to 6.0, and(d) having a gelatinization enthalpy at 50° C. to 130° C. of 10 J/g or less, as measured by differential scanning calorimetry.

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First Claim