PROBLEM TO BE SOLVED: To provide a coating agent excellent in water vapor barrier properties.SOLUTION: The coating agent comprises a coating component and saccharified reducing starch. In the coating agent, the coating component is edible.COPYRIGHT: (C)2013,JPO&INPIT【課題】水蒸気バリア性に優れたコーティング剤の提供。【解決手段】コーティング成分と還元でん粉糖化物とを含んでなるコーティング剤。【選択図】なし