This research aims to obtain the best quality of the red dragon fruit (Hylocereus polyrhizus) jelly which added of carrageenan and arabic gum. This study is held experimentally by using CRD (Complete Randomized Design) of five treatments and three replications. There are five types of jelly are researched, those are KG1 (carrageenan and arabic gum ratio10,5% : 0,5%), KG2 (carrageenan and arabic…