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      • Undergraduate Theses
      • UT - Faculty of Agricultural Technology
      • UT - Food Science and Technology
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      Pengembangan dan Pendugaan Umur Simpan Minuman Sari Tebu (Saccharum officinarum L) dalam Kemasan Cup menggunakan Metode Arrhenius

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      Date
      2014
      Author
      Wulandari, Retno
      Budijanto, Slamet
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      Abstract
      Penelitian ini bertujuan untuk mengembangkan minuman sari tebu dalam kemasan cup dan menduga umur simpannya menggunakan metode Arrhenius. Parameter yang diujikan untuk menentukan umur simpan adalah angka lempeng total, pH, perubahan warna, dan sensori. Penentuan umur simpan dilakukan dengan menyimpan sampel pada inkubator dengan tiga suhu akselerasi yang berbeda, yaitu 350C, 450C, dan 550C selama lima minggu. Parameter kritis yang digunakan untuk menentukan umur simpan adalah parameter pH. Sampel memiliki nilai pH awal 4.22 dan memiliki nilai pH kritis 4.09. Persamaan regresi linier didapatkan sebesar y = -2947.9641x + 4.0277 dan energi aktivasi sebesar 5854.6567 kal/mol. Berdasarkan hasil pengujian didapatkan umur simpan produk untuk penyimpanan pada suhu 50C, 300C, 350C, 450C dan 550C berturut-turut adalah 22.4 minggu, 9.5 minggu, 8 minggu, 5.9 minggu, dan 4.5 minggu.
       
      The objectives of this research is to develop of sugarcane juice in cup packaging and estimate his shelf life using Arrhenius method. Parameters that used to estimated shelf life of sugarcane juice are total plate count, pH, color change, and sensory evaluation. To estimated shelf life of acidified sugarcane juice, the sample placed in incubator with three conditions temperature, there are 350C, 450C, and 550C for five weeks. The critical parameter that used to estimate shelf life of sugarcane juice is pH value. In begining the sample has pH value 4.22 and has critical pH value 4.09. The linier regression was obtained at y = - 2947.9641x + 4.0277 and activation energy 5854.6567 cl/mol. Shelf life of the product that stored at 50C, 300C, 350C, 450C, and 550C are 22.4 weeks, 9.5 weeks, 8 weeks, 5.9 weeks, and 4.5 weeks.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/72006
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      • UT - Food Science and Technology [3623]

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