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PENGARUH SUBSTITUSI BUBUR BUAH NANAS TERHADAP KARAKTERISTIK SELAI UBI JALAR UNGU (Ipomoea batatas L) DAN AKTIVITAS ANTIOKSIDAN nufusi, hayatun; ansharullah, ansharullah; wahab, djukrana
Jurnal Sains dan Teknologi Pangan Vol 4, No 2 (2019): JURNAL SAINS DAN TEKNOLOGI PANGAN
Publisher : JURUSAN ILMU DAN TEKNOLOGI PANGAN, UNIVERSITAS HALU OLEO

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (605.415 KB) | DOI: 10.33772/jstp.v4i2.7187

Abstract

ABSTRACT                The purpose of this study was to study the effect of pineapple pulp substitution on the characteristics and antioxidant activity of purple sweet potato paste. This study used a Completely Randomized Design (CRD) consisting of 6 treatments namely S0 (0% pineapple pulp: 100% purple sweet potato paste), S1 (30% pineapple pulp: 70% purple sweet potato paste), S2 (40% pineapple pulp) : 60% purple sweet potato paste), S3 (50% pineapple pulp: 50% purple sweet potato paste), S4 (60% pineapple pulp: 40% purple sweet potato paste), and S5 (70% pineapple pulp: purple sweet potato paste 30%). The highest organoleptic assessment result on color, taste, and texture was obtained by S2 treatment with the scores of 4.20 (like), 4.05 (like), and 4.38 (like), respectively. Meanwhile, the S5 treatment had the highest score on the aroma with 4.02 (like). The results of the chemical content analysis show that the S2 treatment had the highest water content (53.09%), the highest glucose content (4.55%), and the highest pectin content (0.13%). Meanwhile, the S0 treatment had the lowest water content (45.74%), the lowest glucose content (0.19%), and the lowest pectin content (0.04%). Moreover, the antioxidant activity in the S0 and S2 treatments with IC50 obtained the values of 56.42 and 94.09 ppm, respectively. Thus, it can be concluded that the difference in the substitution ratio of pineapple pulp and purple sweet potato paste significantly affected organoleptic quality while the antioxidant activity decreased with higher substitution of pineapple pulp.Keywords: jam, purple sweet potato paste, pineapple.ABSTRAK            Tujuan penelitian ini untuk mengetahui pengaruh substitusi bubur buah nanas terhadap karakteristik selai ubi jalar ungu dan aktivitas antioksidan. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) terdiri dari 6 perlakuan yaitu S0 (bubur nanas 0% : pasta ubi jalar ungu 100%), S1 (bubur nanas 30% : pasta ubi jalar ungu 70%), S2 (bubur nanas 40% : pasta ubi jalar ungu 60%), S3 (bubur nanas 50% : pasta ubi jalar ungu 50%), S4 (bubur nanas 60% : pasta ubi jalar ungu 40%), S5 (bubur nanas 70% : pasta ubi jalar ungu 30%). Hasil penilaian organoleptik tertinggi terhadap warna yaitu pada perlakuan S2 sebesar 4,20 (suka), aroma diperoleh nilai S5 4,02 (suka), penilaian rasa pada  perlakuan S2 sebesar 4,05 (suka) dan penilaian tekstur sebesar S2 4.38 (suka). Hasil analisis kandungan kimia yaitu kadar air tertinggi pada perlakuan S2 sebesar 53,09%, terendah yaitu pada perlakuan S0 sebesar 45,74%, kandungan glukosa tertinggi pada perlakuan S2 sebesar 4,55%, terendah pada perlakuan S0  sebesar 0,19% dan kandungan pektin tertinggi pada perlakuan S2  sebesar 0,13%, terendah pada perlakuan S0 sebesar 0,04% sedangkan Aktivitas antioksidan pada perlakuan S0 (100%) diperoleh aktivitas antioksidan dengan IC50 sebesar 56,42 ppm, sedangkan pada perlakuan S2 diperoleh IC50 sebesar 94,09 ppm. Jadi dapat disimpulkan bahwa perbedaan perbandingan substitusi bubur nanas dan pasta ubi jalar ungu berpengaruh nyata terhadap kualitas organoleptik dan aktivitas antioksidan menunjukan penurunan dengan subtitusi bubur buah nanas.Kata kunci: Selai, pasta ubi jalar ungu, nanas.
PENGARUH SUBTITUSI TEPUNG UBI KAYU FERMENTASI TERHADAP NILAI SENSORIK DAN PROKSIMAT NUGGET IKAN GABUS Hidayat, Ryan; tamrin, tamrin; wahab, djukrana
Jurnal Sains dan Teknologi Pangan Vol 4, No 1 (2019): Jurnal Sains dan Teknologi Pangan
Publisher : JURUSAN ILMU DAN TEKNOLOGI PANGAN, UNIVERSITAS HALU OLEO

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (709.429 KB) | DOI: 10.33772/jstp.v4i1.7189

Abstract

ABSTRACT             The purpose of this study was to determine the effect of fermented cassava flour substitution on the sensory assessment of snakehead fish nuggets and the proximate test (moisture, ash, fat, crude fiber, protein, and starch contents). This research used a Completely Random Design (CRD) with N0 (0% fermented cassava flour + 100% tapioca flour), N1 (20% fermented cassava flour + 80% tapioca flour), N2 (40% fermented cassava + 60% tapioca flour), N3 (60% fermented cassava flour + 40% tapioca flour), N4 (80% fermented cassava flour: 20% tapioca flour), and N5 (100% fermented cassava flour + 0% tapioca flour). Each treatment was repeated 4 times so that 24 units of data were obtained. The variables observed were sensory assessment and proximate test of snakehead fish nuggets. The results show that based on the sensory assessment, the product most preferred by the panelists was N3 (60% fermented cassava flour, 40% tapioca flour) with color, aroma, texture, and taste scores of 4.17 (golden brown), 4.12 (has a fresh fish aroma), 4.18 (chewy), and 4.10 (delicious), respectively. Meanwhile, the proximate test values show the selected product has 25.75% water content, 1.04% ash content, 18.22% fat content, 1.51% crude fiber, 5.89% protein content, and 47.59% starch content. The results show that snakefish nuggets made from fermented cassava flour and tapioca flour were preferred (accepted) by panelists and had a fairly high proximate value.Keywords: snakehead fish nugget, fermented cassava flour, snakehead fish, sensory value. ABSTRAK            Tujuan dari penelitian ini adalah untuk mengetahui pengaruh substitusi tepung ubi kayu fermentasi terhadap penilaian sensorik nugget ikan gabus dan uji proksimat (kadar air, kadar abu, kadar lemak, kadar serat kasar, kadar protein dan kadar pati) yang terdapat pada nugget ikan gabus. Penelitian ini dilakukan berdasarkan Rancangan Acak Lengkap (RAL) dengan N0 (0% tepung ubi kayu fermentasi + 100% tepung tapioka), N1 (20% tepung ubi kayu fermentasi + 80% tepung tapioka ), N2 (40% tepung ubi kayu fermentasi + 60% tepung tapioka), N3 (60% tepung ubi kayu fermentasi + 40% tepung tapioka), N4 (80% tepung ubi kayu fermentasi : 20% tepung tapioka) dan N5 (100% tepung ubi kayu fermentasi + 0% tepung tapioka). Setiap perlakuan diulang sebanyak 4 kali sehingga diperoleh sebanyak 24 unit data. Variabel yang diamati adalah penilaian sensorik dan pengujian proksimat nugget ikan gabus. Hasil penelitian menunjukkan bahwa penilaian sensorik terpilih oleh panelis terdapat pada komposisi 60% tepung ubi kayu fermentasi, 40% tepung tapioka dengan skor penilaian terhadap warna 4.17% (coklat keemasan), aroma 4.12% (berbau ikan segar), tekstur 4.18% (kenyal), rasa 4.10% (enak) dan nilai uji proksimat meliputi: kadar air 25.75%, kadar abu 1.04%, kadar lemak 18.22%, serat kasar 1.51%, kadar protein 5.89%, dan kadar pati 47.59%. Hasil penelitian  menunjukan bahwa nugget ikan gabus formulasi tepung ubi kayu fermentasi dan tepung tapioka disukai (diterima) oleh panelis dan memiliki nilai proksimat yang cukup tinggi.Kata kunci: nugget ikan gabus, tepung ubi kayu fermentasi, ikan gabus, nilai sensorik.
PENGARUH SUBTITUSI TEPUNG UBI KAYU FERMENTASI TERHADAP NILAI SENSORIK DAN PROKSIMAT NUGGET IKAN GABUS Hidayat, Ryan; tamrin, tamrin; wahab, djukrana
Jurnal Sains dan Teknologi Pangan Vol 4, No 2 (2019): JURNAL SAINS DAN TEKNOLOGI PANGAN
Publisher : JURUSAN ILMU DAN TEKNOLOGI PANGAN, UNIVERSITAS HALU OLEO

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (709.429 KB) | DOI: 10.33772/jstp.v4i2.7190

Abstract

ABSTRACT             The purpose of this study was to determine the effect of fermented cassava flour substitution on the sensory assessment of snakehead fish nuggets and the proximate test (moisture, ash, fat, crude fiber, protein, and starch contents). This research used a Completely Random Design (CRD) with N0 (0% fermented cassava flour + 100% tapioca flour), N1 (20% fermented cassava flour + 80% tapioca flour), N2 (40% fermented cassava + 60% tapioca flour), N3 (60% fermented cassava flour + 40% tapioca flour), N4 (80% fermented cassava flour: 20% tapioca flour), and N5 (100% fermented cassava flour + 0% tapioca flour). Each treatment was repeated 4 times so that 24 units of data were obtained. The variables observed were sensory assessment and proximate test of snakehead fish nuggets. The results show that based on the sensory assessment, the product most preferred by the panelists was N3 (60% fermented cassava flour, 40% tapioca flour) with color, aroma, texture, and taste scores of 4.17 (golden brown), 4.12 (has a fresh fish aroma), 4.18 (chewy), and 4.10 (delicious), respectively. Meanwhile, the proximate test values show the selected product has 25.75% water content, 1.04% ash content, 18.22% fat content, 1.51% crude fiber, 5.89% protein content, and 47.59% starch content. The results show that snakefish nuggets made from fermented cassava flour and tapioca flour were preferred (accepted) by panelists and had a fairly high proximate value.Keywords: snakehead fish nugget, fermented cassava flour, snakehead fish, sensory value. ABSTRAK            Tujuan dari penelitian ini adalah untuk mengetahui pengaruh substitusi tepung ubi kayu fermentasi terhadap penilaian sensorik nugget ikan gabus dan uji proksimat (kadar air, kadar abu, kadar lemak, kadar serat kasar, kadar protein dan kadar pati) yang terdapat pada nugget ikan gabus. Penelitian ini dilakukan berdasarkan Rancangan Acak Lengkap (RAL) dengan N0 (0% tepung ubi kayu fermentasi + 100% tepung tapioka), N1 (20% tepung ubi kayu fermentasi + 80% tepung tapioka ), N2 (40% tepung ubi kayu fermentasi + 60% tepung tapioka), N3 (60% tepung ubi kayu fermentasi + 40% tepung tapioka), N4 (80% tepung ubi kayu fermentasi : 20% tepung tapioka) dan N5 (100% tepung ubi kayu fermentasi + 0% tepung tapioka). Setiap perlakuan diulang sebanyak 4 kali sehingga diperoleh sebanyak 24 unit data. Variabel yang diamati adalah penilaian sensorik dan pengujian proksimat nugget ikan gabus. Hasil penelitian menunjukkan bahwa penilaian sensorik terpilih oleh panelis terdapat pada komposisi 60% tepung ubi kayu fermentasi, 40% tepung tapioka dengan skor penilaian terhadap warna 4.17% (coklat keemasan), aroma 4.12% (berbau ikan segar), tekstur 4.18% (kenyal), rasa 4.10% (enak) dan nilai uji proksimat meliputi: kadar air 25.75%, kadar abu 1.04%, kadar lemak 18.22%, serat kasar 1.51%, kadar protein 5.89%, dan kadar pati 47.59%. Hasil penelitian  menunjukan bahwa nugget ikan gabus formulasi tepung ubi kayu fermentasi dan tepung tapioka disukai (diterima) oleh panelis dan memiliki nilai proksimat yang cukup tinggi.Kata kunci: nugget ikan gabus, tepung ubi kayu fermentasi, ikan gabus, nilai sensorik.