Problem to be solved: to provide a method for producing a plant extract of Rosaceae that is high in extraction rate of rosamarin acid and is difficult to increase when concentrated.Solution: a method for producing an extract of plants of the family of shellfish extracts including the process of extracting the shellfish from the short side with a length of 1 mm or more to a length of 1 mm or more and using the aqueous solvent in a pH range of 4 to 8.No selection【課題】ロズマリン酸の抽出率が高く、かつ濃縮した際に増粘し難いシソ科植物抽出物の製造方法を提供すること。【解決手段】短辺を１ｍｍ以上の長さに裁断又は粉砕したシソ科植物を、水系溶媒を用いてｐＨ４～８の条件で抽出する工程を含む、シソ科植物抽出物の製造方法。【選択図】なし
