As for this invention the black soybean seed coat extract the food, the health food, and the application in producing the chemicals it regards. Also to add to the food or the beverage it is possible the black soybean seed coat extract and, also the health food which is suited for various ingestion and producing in the chemicals can do the black soybean seed coat extract with the manner which produces the herb medicine until recently. The aforementioned product improves the condition of the bone arthritis remarkably, makes the resolution of the cartilage of the bone arthritis stabilize, furthermore it is possible to generate.本発明は黒大豆種皮抽出物が食品、健康食品、及び薬品の製造における応用に関する。黒大豆種皮抽出物を食品又は飲み物に加えることもできるし、漢方薬を製造する従来方法により、黒大豆種皮抽出物を各種の経口摂取に適する健康食品及び薬品に製造することもできる。前記製品は、骨関節炎の症状を顕著に改善し、骨関節炎の軟骨の分解を安定させ、さらには生成することができる。