PROBLEM TO BE SOLVED: To provide a quality improvement agent for rice which is able to sustain the taste of the rice comprising glutinous rice as the raw material.SOLUTION: The present invention provides a quality improvement agent for rice comprising glutinous rice as the raw material, the agent characterized by having β-amylase, citric acid or its salt and mono glycerin fatty acid ester.SELECTED DRAWING: None【課題】もち米を原料とする米飯の食感を保持することができる米飯用品質改良剤を提供する。【解決手段】β-アミラーゼ、クエン酸及び/又はその塩並びにモノグリセリン脂肪酸エステルを含有することを特徴とする、もち米を原料とする米飯用品質改良剤。【選択図】 なし