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All Journal Jurnal Engine: Energi, Manufaktur, dan Material Obat: Jurnal Riset Ilmu Farmasi dan Kesehatan
Intan Farhani
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Control & Systems Engineering Energy Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health

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Bioetanol dari Limbah Sekam Padi sebagai Sumber Energi Terbarukan Intan Farhani; Indah Sawitri; Pramita Desi Hariningsih; Ida Farida; Omay Sumarna
Jurnal Engine: Energi, Manufaktur, dan Material Vol. 9 No. 1 (2025)
Publisher : Proklamasi 45 University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30588/jeemm.v9i1.2052

Abstract

The purpose of this research is to make laboratory-scale bioethanol from agroindustrial waste, namely rice husk through hydrolysis, fermentation, and distillation methods, determine %yield, and characterize bioethanol. The method used was experimental. The results and conclusions obtained are bioethanol that smells like tape, colorless with %yield as much as 3,32%, density of 0.8818 g/mL, viscosity of 0.7408 cP, and blue flame formed during the flame test. Based on the characterization results, the bioethanol obtained has not met the SNI standards, which is suspected because it still contains water content caused by less pure ethanol from the distillation process.
Pemanfaatan Rimpang Lengkuas Merah (Alpinia Purpurata K.Schum) sebagai Fungisida Tanaman Selada yang Menopang Inovasi Green Chemistry Wulan Ayu Ningsih; Intan Farhani; Kailla Qothrunnada Qurrota’ayun; Syifa Aulia Rahmawati; Iqbal Mustapha
OBAT: Jurnal Riset Ilmu Farmasi dan Kesehatan Vol. 3 No. 1 (2025): January: OBAT: Jurnal Riset Ilmu Farmasi dan Kesehatan
Publisher : Asosiasi Riset Ilmu Kesehatan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/obat.v3i1.913

Abstract

Indonesia is a country rich in useful biodiversity, such as red galangal (Alpinia purpurata K.Schum). The antibacterial and antifungal activity of the compounds isolated from the red galangal rhizome is the beginning of a new innovation to implement the concept on plants. The content of 1,8 sineol and eugenol in it makes red galangal rhizome can be used as a fungicide on lettuce plants. The widespread use of chemical-based pesticides can harm farmers and the environment with repeated exposure and over a long period of time. So biofungicide innovation is needed that can support the concept of Green Chemistry. The purpose of this study is to determine the effectiveness of red galangal rhizome extract as a fungicide on lettuce plants, as well as to analyze and determine under what conditions the fungicide from red galangal rhizome extract is optimal in eradicating Rhizoctonia Solani fungus on lettuce plants. This research was conducted experimentally using a completely randomized design (CRD) with 10 treatments. All data were tested for normality followed by homogeneity test and all data were found to be normally distributed and homogeneous. Data were analyzed with parametric statistical tests using one-way ANOVA tests and further tests using Tukey with an error rate of 10% to determine whether there was an effect of the treatment tested on the material. The results of this study indicate that red galangal rhizome extract is effective in eradicating Rhizoctonia Solani fungus on lettuce plants with an optimum concentration of 50%.
Co-Authors Ida Farida Indah Sawitri Iqbal Mustapha Kailla Qothrunnada Qurrota’ayun Omay Sumarna Pramita Desi Hariningsih Syifa Aulia Rahmawati Wulan Ayu Ningsih