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Fakultas Pertanian Universitas Alkhairaat Palu
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Journal : Jurnal Pengolahan Pangan

 1 
KEHILANGAN AIR DAN PENAMBAHAN PADATAN YANG TERJADI SELAMA PROSES DEHIDRASI OSMOTIK BUAH NAGA Spetriani; Siti Fathurahmi; If'all
Jurnal Pengolahan Pangan Vol 5 No 1 (2020)
Publisher : Fakultas Pertanian Universitas Alkhairaat Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31970/pangan.v5i1.34

Abstract

Osmotic dehydration is a method that can be used in the pretreatment of drying by immersing the material in a hypertonic solution. The purpose of this study was to examine the effect of concentration and temperature of the osmotic solution on water loss and solid gain to dragon fruit pieces during the osmotic dehydration process. Dragon fruit slices were immersed in osmotic solution with different concentration and temperature solution (30 oBrix, 50 oBrix, and 70 oBrix, as well as 30 oC, 40 oC, and 50 oC). The WL value for the concentration of 30 oBrix solution varies from 17.42% to 25.26%, for a 50 oBrix concentration is 32.84% to 50.38%, and for a 70 oBrix concentration is 39.89% to 57.99% . Thus, changes in the level of WL, concentration and temperature of the solution, where the higher the concentration and temperature of the solution, the greater the WL of the material. Meanwhile, for SG on materials, values ​​ranged from 2.092% -10.010%. Based on the calculation of the Azuara model, the WL values ​​ranged from 21.551% -75, 187% and 3.899% -17.575% for the SG value. The coefficient of determination for the calculation of the Azuara model is 0.938 - 0.992, thus the Azuara model can be said to be feasible for modeling the WL and SG values ​​on osmotic dehydration of dragon fruit.
PEMANFAATAN PANGAN LOKAL UNTUK PRODUKSI TORTILLA FUNGSIONAL BERBASIS LABU KUNING If'all If'all; Mappiratu Mappiratu; Syahraeni Kadir
Jurnal Pengolahan Pangan Vol 3 No 2 (2018)
Publisher : Fakultas Pertanian Universitas Alkhairaat Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (270.981 KB) | DOI: 10.31970/pangan.v3i2.15

Abstract

Pumpkin is a source of nutrition potential to be developed as an alternative food substance by processing it to form processed food such as snack in addition to serving it as steamed, boiled, fried, and baked food or cooking it with other substances. Pumpkin contains 78.77% carbohydrate, 3.74% protein, 1.34% fat, and 2.80% raw fiber. The research aimed at studying the chemical and organoleptic qualities of pumpkin based tortilla produced from the best ratio of pumpkin, cassava and sweet potato. The research used a Completely Randomized design with a single factor of various weights of pumpkin addition. The treatment tested were seven levels of pumpkin weights including 500 g, 750 g, 1000 g, 1250 g, 1500 g, 1750 g and 2000 g. Each treatment was replicated thrice; therefore, there were 21 experimental units. Parameter tested were chemical characteristics of the tortilla such as carotene content, water content and ash content, and organoleptic quality including color, aroma, taste, crisp and performance of the tortilla. The research results showed that the pumpkin significantly affected all chemical characteristics and all organoleptic qualities except aroma quality. The contents of carotene, water and ash increased with raising pumpkin weights. The level of panelists’ predilection on tortilla decreased with increasing use of pumpkin. The ratio of 1000 g of pumpkin to 1000 g cassava and 250 g sweet potato fluor was the best formula for producing the best tortilla chemical and organoleptic qualities.
MUTU BAKSO DAGING SAPI DITINJAU DARI KADAR PROTEIN, KADAR LEMAK, KADAR AIR, TOTAL MIKROBA, KANDUNGAN BORAKS, DAN FORMALIN YANG DIJUAL DI DEPOT-DEPOT BAKSO DAGING SAPI DI KOTA PALU Halid, Sukisman A.; Gobel, Minarny; Loulembah, Fachry; If'all
Jurnal Pengolahan Pangan Vol 8 No 1 (2023)
Publisher : Fakultas Pertanian Universitas Alkhairaat Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31970/pangan.v8i1.119

Abstract

Penelitian ini dilaksanakan dengan tujuan untuk menganalisa kadar protein, kadar lemak, kadar air, total mikroba, kandungan boraks, dan formalin pada bakso daging sapi yang dijual pada depot-depot bakso di Kota Palu. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 8 sampel bakso daging sapi yang diperoleh pada depot bakso yang ramai dikunjungi pembeli setiap hari. Pengambilan sampel diulang tiga kali (tiga kali produksi), sehingga diperoleh 24 sampel penelitian. Pengamatan meliputi kadar protein, kadar lemak, kadar air, jumlah total mikroba (Total Palte Count/TPC), serta kadar boraks dan kadar formalin. Pengujian kadar protein, kadar lemak, kadar air, dan total mikroba/(Total Plate Count) (TPC) dilaksanakan di Laboratorium Sentral Ilmu Hayati, Universitas Brawijaya, Malang, Jawa Timur, kemudian analisis kandungan boraks dan formalin dilaksanakan di Laboratorium Balai Pengawasan Obat dan Makanan (BPOM) Kota Palu. Hasil penelitian menunjukkan bahwa kadar protein ke8 sampel penelitian yaitu 8,93 – 10,76 %, kadar lemak sebesar 1,16 - 5,84 %, kadar air 66,58 – 72,95 %, dan total mikroba (TPC) dengan nilai 1,92 – 7,97 (CFU/g), serta kandungan boraks dan formalin ke8 sampel penelitian masing-masing bernilai negatif.
EKSTRAKSI PEWARNA ALAMI KULIT BUAH NAGA MERAH Fathurahmi, Siti; If'all; Spetriani; Ilham
Jurnal Pengolahan Pangan Vol 7 No 2 (2022)
Publisher : Fakultas Pertanian Universitas Alkhairaat Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31970/pangan.v7i2.97

Abstract

Penelitian dilakukan menggunakan desain 3 faktor yakni jenis kemasan, waktu dan suhu penyimpanan. Parameter yang diamati selama penelitian adalah rendemen ekstraksi, total antosianin, dan uji aktivitas antioksidan. Tujuan penelitian ini adalah untuk mengetahui rendemen ekstrak kulit buah naga merah serta kadar antosianin dan antioksidan dari pewarna alami yang terkandung dalam kulit buah naga merah. Sebanyak 50 g kulit buah naga merah dihaluskan menggunakan blender selama 30 detik dengan perbandingan 1:4 (bahan : pelarut). Pelarut yang digunakan yaitu aquades dengan konsentrasi asam sitrat 2%. Bubur kulit buah naga merah dimasukkan kedalam botol gelap dan maserasi selama 2 x 24 jam pada suhu ruang. Hasil maserasi (maserati) disaring dengan kain saring lalu disentrifuge selama 5 menit dengan kecepatan 4000 rpm/menit. Supernatan disaring dengan kertas whatman no. 41. Hasil penelitian menunjukan bahwa rendemen ekstraksi kulit buah naga merah sebesar 45%. Kadar total antosianin terbaik yang terkandung dalam ekstraksi kulit buah naga merah adalah 38,33 mg/100 g yang diperoleh melalui perlakuan kemasan transparan yang disimpan pada suhu refrigerator selama 4 minggu. Sedangkan aktivitas antioksidan menunjukkan bahwa hasil terbaik yaitu 80,13 % yang diperoleh melalui perlakuan penyimpanan menggunakan kemasan gelap selama 4 minggu dalam suhu refrigerator.
Co-Authors Abas Abas Abdul Rahim Ananda, Lilian Arfan Arfan Asnani Asnani Asrawaty Asrawaty, Asrawaty Asriani Hasanuddin Baharuddin Baharuddin Basrin, Fitriani Bisinda, Sultan Djaru, Lala H Dyah Ayu Suryaningrum Eko Cahyono, Eko Fahmi Fahmi Fahmi Fahmi Fathurahmi, Siti Frets Jonas Rieuwpassa Hasmari Noer Idris Idris ILHAM Indriyani Indriyani Indriyani Irfan Pakaya Irma Hakim Jugni Hadiustri Agape Juhana Juhana Jumardin Jusman, Jusman Lalu Unsunnidhal Limbong, Ferawati Lisa Indriani Lisa Indriani Bangkele Loulembah, Fachry Maliode, Yunita Isabela Mappiratu Mappiratu Melongkade, Regina Juliana Minarny Gobel Muh. Aniar Hari Swasono Muhammad Fawzul Alif Nugroho Multazam Nahdiya Kasim Naomi Uli Arta Siagian Nofrianto Nofrianto Novalina Maya Sari Ansar Pakaya, Irfan Rahmi, Rahmi RATNAWATI Sabariyah, Sitti Sayani Siti Fathurahmi Spetriani Spetriani Spetriani, Spetriani Sri Sudewi Sukisman Abdul Halid Sukmawati, Sukmawati Sumarni Suryaningrum, Dyah Ayu Syahraeni Kadir Tanod, Wendy Usman Made Wahid, Siti Fathurahmi Yana Sambeka