PROBLEM TO BE SOLVED: To provide jam excellent in health maintenance, taste, and selling promotion property formed of mainly rhubarb, in which coloring sub material formed of vegetable or fruit holding various plant pigments and herb (flavoring sub material) are mixed thereto and sugar is added and then boiled.SOLUTION: A petiole of rhubarb is cut into optional length in an orthogonal state to its vein for forming a main material. Then vegetable or fruit holding plant pigments is crushed for forming a coloring sub material, the coloring sub material is mixed to the main material by a ratio of 3-8 wt.% to the main material. In addition, a flavoring sub material formed of herb is mixed to the main material by a ratio of 2-5 wt.% to the main material. Then, to the whole amount of the mixture, sugar is added by a ratio of 45-55 wt.%, and then the mixture is boiled.COPYRIGHT: (C)2015,JPO&INPIT【課題】ルバーブを主要素材とし、多様な植物色素を保持する野菜若しくは果実からなる着色副素材及びハーブ(香味副素材)とが混合され、加糖のうえ煮熟せしめてなる、健康維持と旨さ及び販売促進性に優れるジャムの供給。【解決手段】ルバーブの葉柄をその葉脈に直交して適宜長さに切断して主要素材となし植物性色素を有する野菜若しくは果物を破砕して着色副素材となし、且主要素材に対して3乃至8重量%割合で混合し、更にハーブからなる香味副素材を主要素材に対し2乃至5重量%割合で混合のうえ、これら全体量に対し45乃至55重量%割合で加糖のうえ煮熟する。
