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All Journal International Journal of Advances in Applied Sciences Reaktor CHEMICA Jurnal Teknik Kimia Elkawnie Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan Resona : Jurnal Ilmiah Pengabdian Masyarakat BERDIKARI : Jurnal Inovasi dan Penerapan Ipteks Jurnal Empower : Jurnal Pengembangan Masyarakat Islam JCES (Journal of Character Education Society) Agroindustrial Technology Journal Conference on Innovation and Application of Science and Technology (CIASTECH) Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat SPEKTA (Jurnal Pengabdian Kepada Masyarakat : Teknologi dan Aplikasi) JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Logic : Jurnal Rancang Bangun Dan Teknologi
Gita Indah Budiarti
Universitas Ahamd Dahlan
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Journal : CHEMICA Jurnal Teknik Kimia

 1 
Studi Konversi Pati Ubi Kayu (Cassava Starch) menjadi Glukosa secara Enzimatik budiarti, gita indah
CHEMICA: Jurnal Teknik Kimia Vol 3, No 1 (2016): Juni 2016
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.298 KB) | DOI: 10.26555/chemica.v3i1.4306

Abstract

Cassava starch has potential as raw material for production glucose and fructose in Indonesia. Glucose of cassava starch can be used as substitute of cane sugar and synthetic sweetener. Glucose of starch production process includes acid hydrolysis and enzymatic hydrolysis. Enzymatic hydrolysis is usually used because non-corrosive, low reaction temperatures and no contaminate product of hydrolysis. Therefore, the purpose of  this paper is to provide existing knowledge of steps process, factors influencing, kind of enzyme and sugar product from enzymatic hydrolisis of cassava starch .
Pengaruh Total Solid dan Perbandingan Bahan Baku dengan Inokulum terhadap Produksi Biogas dari Jerami Jagung Budiarti, Gita Indah; Shytophyta, Lukhi Mulia; Fajariyanto, Dika; Nugroho, Yusuf Eko
CHEMICA: Jurnal Teknik Kimia Vol 5, No 1 (2018): Juni 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (419.195 KB) | DOI: 10.26555/chemica.v5i1.9891

Abstract

The effect of total solid (TS) content and feedstock/inoculum (F/I) ratio  on biogas production from corn stover by solid‐state anaerobic digestion (SS‐AD) were studied. At a F/I ratio of 2, conversion of corn stover under room temperature resulting in higher biogas yield. SS‐AD performed as expected at the TS content of 20%, 22%, 24%. The highest biogas yield of 200 L kg‐1 volatile solids (VS) was obtained at TS content of 22%, F/I ratio of 2.
Pengaruh Total Solid dan Perbandingan Bahan Baku dengan Inokulum terhadap Produksi Biogas dari Jerami Jagung Gita Indah Budiarti; Lukhi Mulia Shytophyta; Dika Fajariyanto; Yusuf Eko Nugroho
CHEMICA: Jurnal Teknik Kimia Vol 5, No 1 (2018): Juni 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (419.195 KB) | DOI: 10.26555/chemica.v5i1.9891

Abstract

The effect of total solid (TS) content and feedstock/inoculum (F/I) ratio  on biogas production from corn stover by solid‐state anaerobic digestion (SS‐AD) were studied. At a F/I ratio of 2, conversion of corn stover under room temperature resulting in higher biogas yield. SS‐AD performed as expected at the TS content of 20%, 22%, 24%. The highest biogas yield of 200 L kg‐1 volatile solids (VS) was obtained at TS content of 22%, F/I ratio of 2.
Characterization of Egg Shell Waste As Adsorbent for Cooking Oil Waste Purification Gita Indah Budiarti; Alia Ariesanti; Endah Utami; Okka Adiyanto; Utaminingsih Linarti
CHEMICA: Jurnal Teknik Kimia Vol 8, No 2 (2021): December 2021
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/chemica.v8i2.22196

Abstract

Eggshell has a shaft and a high surface area, so it has the potential to become an adsorbent. The adsorbent is an adsorbent in the filtration process. Waste cooking oil can be reused as raw material with economic value. So far, the waste bank that accommodates used waste has not gone through the filtration process, so the selling price is low. Waste cooking can be filtered using various adsorbent media, including activated carbon, commercial silica, and local adsorbents such as eggshells. A filtration process on waste cooking oil is expected to increase income for waste banks. The objective of this study was to investigate formulations adsorbent from eggshells for purification waste cooking oil. The variables used were a variety of particle size adsorbents (60, 80 mesh) and adsorbent weight (10, 15 g). The optimal result for the decreased acidic number was obtained at 60 mesh particle size, weight 15 grams.
Modified Pumpkin Flour Using Hydrogen Rich Water with a Microwave Dryer Gita Indah Budiarti; Ayu Wulandari; Siti Mutmaina; Endah Sulistiawati
CHEMICA: Jurnal Teknik Kimia Vol 7, No 1 (2020): Juni 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/chemica.v7i1.16230

Abstract

Pumpkin is a fruit that contains fiber and vitamin A which works to prevent diabetes. Pumpkin's use is not optimal, so it needs innovation for Pumpkin, one of which is to make Pumpkin into flour. Pumpkin does not have gluten, so modification is needed. Modifications used are using hydrogen-rich water with a microwave dryer. Hydrogen-rich water has antioxidant content and is safer for the modification of starch food. The purpose of this study was to determine the physicochemical properties (water content and expandability) and beta carotene levels in HRW-modified flour using a microwave dryer. First, Pumpkin soaked with a variation of time 1, 2, 3, 4, and 5 hours. The optimal results of water capacity and beta carotene levels were obtained at the immersion time of 1 hour by 11%, 7.4 g/g of sample, and 3,164.79 μg/g. The results obtained are higher than the modification of HRW without a microwave dryer.
Modification of Purple Sweet Potato Flour using Hydrogen Rich Water Gita Indah Budiarti; Ika Dyah Kumalasari; Endah Sulistiawati; Mitha Ulli Rahmatillah; Qaulina Tsabit
CHEMICA: Jurnal Teknik Kimia Vol 9, No 3 (2022): December 2022
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/chemica.v9i3.24954

Abstract

The increasing need for wheat flour in Indonesia needs to be overcome by looking for alternatives to wheat flour. Wheat flour has the disadvantage of high sugar content, so flour from local tubers is needed, which is healthier, namely purple sweet potatoes. The disadvantage of local tubers if they are used as flour is their flourishing power so they need to be modified. Hydrogen rich water (HRW) is alkaline water that can be used to modify starch in purple sweet potato flour. The purpose of the study was to determine the effect of HRW modification on water content, swelling power, ash content and color. The method used is soaking using variable pH (5.9), soaking time (15, 30 minutes) and compared with citric acid 1% with soaking time 30 minutes. The optimal analysis results were obtained at pH 9, soaking time of 30 minutes using HRW with a moisture content of 6%, swelling power of 4.1 g/g, ash content of 10%, the fat content of 13.5%, color L, a, b respectively 65.34; -0.33; 16.03.
Co-Authors Alia Ariesanti Alia Ariesta Amalia Yuli Astuti Ayu Damayanti Ayu Wulandari Azhari, Ahmad Dessy Norma Yunita Dika Fajariyanto Dika Fajariyanto Dika Fajariyanto Endah Sulistiawati Endah Sulistiawati Endah Utami Endah Utami Erfan Fakhriyanto Evitasari, Rachma Tia Fajariyanto, Dika Ika Dyah Kumalasari Irene Enjeli Purba Isana Arum Primasari Lukhi Mulia Shitophyta Lukhi Mulia Shytophyta Mitha Ulli Rahmatillah Murein Miksa Mardhia Ndaru Okvitarini Nugroho, Yusuf Eko Nurani Sofiana Okka Adiyanto Qaulina Tsabit Riantika Aulia Putri Safira Izza Gusti Zarni Seila Setiyani Shytophyta, Lukhi Mulia Siti Mutmaina Surya Adami Titisari Juwitaningtyas Utaminingsih Linarti Utaminingsih Linarti, Utaminingsih Vaniaa Insani Syita Harmony Vinna Fajarwaty Yusuf Eko Nugroho Yusuf Eko Nugroho Yusuf Eko Nugroho