Dragon Fruit Jelly Drink (Hylocereus polyrhizus) Low Calories with Addition of Jamblang Leaves Extract (Syzygium cumini)Anny Sulaswatty, Hafiizh Prasetia, Egi Agustian, Zatil Athaillah, Andini Sundowo, Efendi Oulan Gustav and Ainezzahira AinezzahiraE3S Web Conf., 503 (2024) 05003DOI: https://doi.org/10.1051/e3sconf/202450305003