PROBLEM TO BE SOLVED: To provide a moisture-proof agent for a dried fruit coated with an acid component, which excellently prevents an acid component from absorbing moisture in providing the surface of a dried fruit with the acid component, a dried fruit coated with acid component and a method for preventing a dried fruit coated with an acid component from absorbing moisture.SOLUTION: The moisture-proof agent for a dried fruit coated with an acid component is a moisture-proof agent of an acid component used for a dried fruit to be coated with the acid component and includes vitamin C as an active ingredient.COPYRIGHT: (C)2010,JPO&INPIT【課題】乾燥果実表面に酸味成分を付与する際、酸味成分が吸湿することを防止するのに優れた、酸味成分被覆乾燥果実用の吸湿防止剤、酸味成分被覆乾燥果実及び酸味成分被覆乾燥果実の吸湿防止方法を提供する。【解決手段】酸味成分を被覆する乾燥果実に用いる酸味成分の吸湿防止剤であって、ビタミンCを有効成分とすることを特徴とする酸味成分被覆乾燥果実用の吸湿防止剤によって達成される。【選択図】なし