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All Journal Itepa : Jurnal Ilmu dan Teknologi Pangan
Anindya Putri Hardita
PS. ITP FTP Unud
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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PENGARUH RASIO DAGING DAN KULIT BUAH NAGA MERAH (Hylocereus polyrhizus) TERHADAP KARAKTERISTIK SELAI Anindya Putri Hardita; Ni Made Yusa; Agus Slamet Djuniaji
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 5 No 1 (2016): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

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Abstract

The aim of this research was to know effect the ratio of pulp and peel of a dragon fruit to the characteristic of jam, and determine the best the ratio made by those pulp and peel, in order to able to produce a good characteristic of jam. This research used Complete Random Design with the treatment comparison of pulp and peel of dragon fruit comprised of 5 (five) treatments, such as 90% pulp : 10% peel, 70% pulp : 30% peel, 50% pulp : 50% peel, 30% pulp : 70% peel, 10% pulp : 90% peel. All of treatments were repeated for 3 times to obtain 15 research units. Data were analyzed using analysis of variance and if an influences occurred among the treatments, the research would be continued to the Duncan’s test. Results of this research had showed that the comparison ratio of pulp and peel of dragon fruits gave influences to the water content, total sugar, total soluble solid, viscosity, pH balance, antioxidant capacity, color, flavor, texture and overall acceptance of a jam. The best ratio of pulp and peel of dragon fruits showed of percentage 30% pulp : 70% peel with 33,42% water content, 31,85% total sugar, 64,80%brix total soluble solids, 0,015% antioxidant capacity, viscosity  0,053 cm/second, 3,99 pH, aroma (normal), color, flavor, texture and overall acceptance (like).
Co-Authors Agus Slamet Djuniaji Ni Made Yusa