A composition containing a starch at a content of equal to or higher than 75% by mass, wherein the composition contains a low molecular weight starch as the starch at a content of equal to or higher than 3% by mass and equal to or lower than 45% by mass, the low molecular weight starch being obtainable from a starch containing amylose at a content of equal to or higher than 5% by mass as a raw material, wherein a peak molecular weight of the low molecular weight starch is equal to or higher than 3×103 and equal to or lower than 5×104, wherein a degree of swelling in cold water of the composition at 25 degrees C. is equal to or higher than 7 and equal to or lower than 20, and wherein a content of an oversieve fraction of a granulated material in the composition on 0.5 mm mesh is equal to or lower than 50% by mass.本發明之組成物係包含澱粉75質量%以上者，且該組成物中包含以直鏈澱粉含量5質量%以上之澱粉為原料而獲得之低分子化澱粉3質量%以上且45質量%以下作為上述澱粉，上述低分子化澱粉之峰值分子量為3×103以上且5×104以下，25℃下之該組成物之冷水膨潤度為7以上且20以下，該組成物中之網眼0.5mm之篩上之粒狀物之含量為50質量%以下。
