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All Journal Prosiding Seminar Nasional Mini Riset Mahasiswa Journal of Food and Agricultural Product
Rahmalia, Rekha Rizky
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Agriculture, Biological Sciences & Forestry

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SIFAT FISIK. KIMIA DAN KESUKAAN BOLU BERBAHAN BAKU TERIGU YANG DI SUBSTITUSI DENGAN TEPUNG UWI UNGU (Dioscorea alata L.) DAN TEPUNG KECAMBAH KACANG MERAH (Phaseolus vulgaris L.) Rahmalia, Rekha Rizky; Murti, Siti Tamaroh Cahyono; Kanetro, Bayu
Prosiding Seminar Nasional Mini Riset Mahasiswa Vol 3, No 2 (2024)
Publisher : Universitas Negeri Gorontalo

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Abstract

Uwi ungu adalah jenis umbi sumber karbohidrat yang terdapatantosianin sebagai antioksidan alami. Kacang merahmerupakan biji-bijian sumber protein nabati. Penelitian inibertujuan untuk mengetahui pengaruh perbandingan tepungterigu dan tepung uwi ungu, serta penambahan tepungkecambah kacang merah terhadap sifat fisik, kimia, dan tingkat kesukaan bolu. Rancangan penelitian menggunakanRAL 2 faktor: perbandingan tepung terigu dan tepung uwiungu (A1: 90:10%, A2: 80:20%, A3: 70:30%) dan penambahan tepung kecambah kacang merah (B1: 5 g, B2: 10 g, B3: 15 g). Uji fisik, tingkat kesukaan, dan analisis kimiadilakukan pada bolu yang dihasilkan. Hasil menunjukkanbahwa perbandingan tepung terigu dan uwi ungu sertapenambahan tepung kecambah kacang merah berpengaruhsignifikan terhadap warna, tekstur, volume pengembangan, aktivitas antioksidan, fenol, dan tingkat kesukaan. Perlakuanterbaik, yang paling disukai panelis, adalah perbandingan70% tepung terigu, 30% tepung uwi ungu, dan 15% tepungkecambah kacang merah. Bolu pada penelitian ini memilikikriteria kadar air 20,26%, kadar abu 1,57%, kadar lemak 27,59%, kadar protein 10,23%, karbohidrat 40,24%, aktivitasantioksidan 20,27% RSA, dan fenol 2,01 mg EAG/g.Kata kunci: Bolu, uwi ungu, kecambah kacang merah, aktivitas antioksidan, protein
The effect of composition purple sweet potato flour (Ipomoea batatas L.) and wheat on the physical, chemical and sensory properties in cookies Rahmalia, Rekha Rizky; Yuliani, Ririn; Yuanda, Afifah Nurfadyah Islami Yuanda; Khoerunnisa, Farah; Sari, Yuli Perwita
Journal of Food and Agricultural Product Vol. 4 No. 2 (2024): JFAP
Publisher : Fakultas Pertanian Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jfap.v4i2.5820

Abstract

Cookies are a type of biscuit made from soft dough, high in fat content, relatively crispy when broken, and have a dense cross-sectional texture. The significantly increasing data on wheat flour consumption indicates a very high level of dependence on wheat flour. This is due to the high number of processed food products using wheat flour, necessitating the utilization of flour from local raw materials to explore local potential, one of which is by partially replacing wheat flour with purple sweet potato flour. The aim of this study was to determine the effect of adding purple sweet potato flour on the physical, chemical, and sensory properties of cookies. An experimental method was used with a Completely Randomized Design (CRD) with 3 replications. The formulations used in making cookies with substitution of purple sweet potato flour and wheat flour were (100:0, 90:10, 80:20). Parameters measured included moisture content, protein content, texture, color, and sensory acceptance. The results of data analysis and sensory analysis using Analysis of Variance (ANOVA) showed that the ratio of purple sweet potato flour to wheat flour significantly affected the protein content, color, and texture of cookies. However, it did not significantly affect the moisture content and sensory properties of cookies. The most preferred sample was the 90:10 treatment. Nutritional content: 2.12% moisture content, and 28.10% protein content. Keywords: Cookies, purple sweet potato flour, wheat flour
Co-Authors Bayu Kanetro Khoerunnisa, Farah Murti, Siti Tamaroh Cahyono Sari, Yuli Perwita Yuanda, Afifah Nurfadyah Islami Yuanda Yuliani, Ririn