PROBLEM TO BE SOLVED: To provide an oral dry eye ameliorant effective to ameliorate dry eye symptoms and to provide a food composition and a pharmaceutical composition each containing the oral dry eye ameliorant.SOLUTION: There are provided an oral dry eye ameliorant obtained by mixing 35-95% hyaluronic acid of an average molecular weight of 500,000-3,000,000 and/or a salt thereof with 5-65% hyaluronic acid of an average molecular weight of 1,000-100,000 and/or a salt thereof, and a food composition and a pharmaceutical composition each containing the ameliorant.COPYRIGHT: (C)2011,JPO&INPIT【課題】ドライアイ症状の改善に有効な経口用ドライアイ改善剤、ならびに前記経口用ドライアイ改善剤を含む食品組成物および医薬品組成物を提供。【解決手段】平均分子量が50万~300万のヒアルロン酸および/またはその塩35~95%と、平均分子量が1,000~10万のヒアルロン酸および/またはその塩5~65%とを混合して得られる経口用ドライアイ改善剤、及び改善剤を含む食品組成物、医薬品組成物。【選択図】なし
