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All Journal Jurnal Teknika : Jurnal Teoritis dan Terapan Bidang Keteknikan AGARICUS: Advances Agriculture Science & Farming
Shodiqin, Muhammad Ali
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Industrial & Manufacturing Engineering Mechanical Engineering

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The Effect of Adding Purple Sweet Potato (Ipomoea batatas L) on the Organoleptic Quality of Mocaf Flour-Based Pukis Cake Shodiqin, Muhammad Ali; Chusnah, Miftachul; Hartanti, Dyah Ayu Sri
AGARICUS: Advances Agriculture Science & Farming Vol. 5 No. 2 (2025): October
Publisher : LPPM Universitas KH. A. Wahab Hasbullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32764/agaricus.v5i2.6031

Abstract

Pukis cake is a traditional snack that is generally made from wheat flour. To reduce dependence on imported flour, mocaf is used as an alternative, along with purple sweet potato (Ipomoea batatas L.) as a natural coloring agent that also increases nutritional value and visual appeal. This study aims to investigate the effect of adding purple sweet potato (Ipomoea batatas L.) on the organoleptic properties of mocaf-based pukis cake, including color, aroma, taste, and texture. The experimental design used was a Completely Randomized Design (CRD) with three treatments: A1 (50 ml purple sweet potato), A2 (100 ml), and A3 (150 ml) per 500 ml of dough, each repeated three times. Data were analyzed descriptively and statistically using ANOVA, followed by the Least Significant Difference (LSD) test at the 5% level. Results showed that treatment A2 (100 ml purple sweet potato) yielded the best results with color values of 5.30, aroma 5.40, taste 5.40, and texture 5.25. The addition of 100 ml of purple sweet potato resulted in an attractive purple color, distinctive aroma, natural sweet taste, and soft texture that was significantly preferred by the panelists (p<0.05).
PENILAIAN RISIKO GEOMEKANIK TAMBANG LOKAL DENGAN METODE ROCK MASS RATING DI LOA JANAN SAMARINDA Shodiqin, Muhammad Ali; Usop, Tari Budayanti; Susi, Theresia; Hartanto, Singgih; Sutrisno, Herwin; Permana, Indrawan; Perkasa, Petrisly
Jurnal Teknika: Jurnal Teoritis dan Terapan Bidang Keteknikan Vol. 9 No. 1 (2025): Jurnal Teknika: Jurnal Teoritis dan Terapan Bidang Keteknikan, Oktober 2025
Publisher : Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jt.v9i1.15887

Abstract

This research explores slope stability at a sandstone mine in Loa Janan Ilir sub-district, Samarinda City, by applying the Rock Mass Rating (RMR) method to identify potential geotechnical risks. The 30-meter Scanline method was used to collect structural data on the bridles, while five key RMR parameters, including uniaxial compressive strength and Rock Quality Designation (RQD), were analyzed to determine the quality of the rock mass. The results revealed that the rock mass at the site has an RMR value of 33.5425, which classifies the slope condition as class IV (poor). This finding highlights the great potential for wedge avalanches to occur, which could threaten the safety of workers and mining operations. As such, this study offers critical insights that can drive decision-making in risk mitigation and safer mine management in the area.
Co-Authors Chusnah, Miftachul Hartanti, Dyah Ayu Sri Perkasa, Petrisly Permana, Indrawan Singgih Hartanto Susi, Theresia Sutrisno, Herwin Usop, Tari Budayanti