To provide a potato starch that can be used as a material for thickening without blending in water, and is also suitable as a coating material for fried food.SOLUTION: The present invention provides a potato starch with the ratio between a difference angle and a repose angle of 1:1.5-9； and a potato starch composition containing the potato starch of 50 mass% or more and having the ratio between a difference angle and a repose angle of 1:1.5-9.SELECTED DRAWING: None【課題】水溶きせずにとろみ付け材として使用でき、かつ揚げ物の衣材としても好適な馬鈴薯澱粉の提供。【解決手段】差角と安息角との比が１：１．５～９である馬鈴薯澱粉。当該馬鈴薯澱粉を５０質量％以上含有し、差角と安息角との比が１：１．５～９である馬鈴薯澱粉組成物。【選択図】なし
