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Universitas Djuanda Jl. Tol Jagorawi No.1, Ciawi, Kec. Ciawi, Bogor, Jawa Barat 16720 Website: http://journal.unida.ac.id/index.php/IJAR/index Email: ijar@unida.ac.id
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INDONESIA
Indonesian Journal of Applied Research (IJAR)
Published by Universitas Djuanda Bogor
ISSN : -     EISSN : 27226395     DOI : https://doi.org/10.30997/ijar.v1i3
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT
Indonesian Journal of Applied Research (IJAR), e-ISSN 2722-6395 is high quality open access peer reviewed research journal that is published by Universitas Djuanda (UNIDA). IJAR dedicated to publish significant research findings in the field of Applied Sciences, Engineering &Technology. We welcome original empirical research articles with novel perspectives and/or methodological approaches that would appeal to an international readership. We do not accept unsolicited conceptual and theoretical papers. The journal is designed to serve researchers, developers, professionals, graduate students and others interested in state-of-the art research activities in Applied Sciences, which covers four (2) majors areas of research that includes Applied Sciences, Engineering &Technology. The journal was first published in April 2020 and published every April, August and December.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 7 Documents
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Search results for , issue "Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)" : 7 Documents clear
Effect of Steaming on Nutrients Content of Flaxseed as a Feed Ingredients Ayu Damayanti; Osfar Sjofjan
Indonesian Journal of Applied Research (IJAR) Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/ijar.v3i2.199

Abstract

This study aims to find out the effect of steaming on the content of feed substances contained in flaxseed as animal feed. Flaxseed (Linum usitatissimum) is a cereal plant that has high content of protein, energy, and fat, but flaxseed also contain antinutrient substances, namely tannins and phytic acid that can be inhibit the absorption of feed substances. Antinutrients can be decreased by the steaming method. The research material is flaxseed. The study used laboratory experimental with a complete random design (CRD), 4 treatment and 5 replicantions, covering treatment: P0 = Flaxseed without treatment, P1 = Flaxseed steamed for 10 minutes, P2 = Flaxseed steamed for 20 minutes, P3 = Flaxseed steamed for 30 minutes. The observed variables are feed substances dry matter, crude protein, crude fiber, crude fat, ash, gross energy, NDF, ADF, tannins and phytic acid. The analysis used analysis of variance (ANOVA) and Duncan’s Multiple Range Test. The results showed that the treatment had no significant effect (P>0.05) on the dry matter, but had a very significant effect (P<0.01) on crude protein, crude fiber, crude fat, ash, gross energy, NDF, ADF, tannin and phytic acid. It can be concluded that the treatment can decreased feed substances including dry matter, crude protein, crude fat, ash, gross energy, NDF, ADF, tannins and phytic acid, but cannot decreased crude fiber. The best treatment was the steaming flaxseed for 30 minutes.
Trend Analysis and Predicting Covid-19 Pandemic of The First 2022, in Ethiopia Aragaw Asfaw
Indonesian Journal of Applied Research (IJAR) Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/ijar.v3i2.204

Abstract

COVID-19, Caused by the novel coronavirus was first known officially in Wuhan City, China and spreads worldwide, including Ethiopia. Globally, as of 13 March 2022, more than 455 million confirmed cases and over 6 million deaths were reported. The aim of the study was to explore the trend of total cases and total deaths of COVID-19 using ARIMA models and predicting the occurrence of COVID-19 cases and deaths in 1st 2022 in Ethiopia. The data were collected from the official website of the Data on COVID-19 by “Our World in Data”. The data on 1st 2022 in Ethiopia is extracted for modeling ARIMA. Model identification, parameter estimation and model diagnosis were performed. Tests are at alpha 0.05. A total cases of COVID-19 about 469170 and total deaths 7485 respectively, were observed up to March 12 2022. ARIMA (0,2,1) for total death and ARIMA (0,2,4) for total case were estimated by Expert Modeler using SPSS 20 software. The trend shows an increasing pattern on a daily basis in the number of total cases and total deaths. The 70-day forecast showed a gradual increasing trend in total cases and total deaths of COVID-19 in Ethiopia by 1st 2022. This finding used as a decision-making tool to health interventions and decrease the spread of COVID-19 virus.
Active Compound of Red Betel (Piper Crocatum Ruiz & Pav) as Activator of Cu/Zn Superoxide Dismutase in Silico Riska Susila Putri; Mega Safithri; Dimas Andrianto
Indonesian Journal of Applied Research (IJAR) Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/ijar.v3i2.212

Abstract

Cancer degenerative disease is a serious problem in Indonesia, caused by free radicals, and can be prevented by antioxidant compounds. Superoxide dismutase (SOD) is the strongest enzyme that acts as a protective organism against oxidative stress. The active compound of red betel can be studied in silico as an activator of the SOD enzyme. Molecular docking visualization, physicochemistry, toxicity of red betel active compounds were studied and continued with molecular docking. The studied parameters were Gibbs free energy (ΔG) and receptor-ligand chemical bonding analysis. The test results show that the active compounds of red betel 6-Amino-2-(3-aminopropylamino)-9-(cyclohexylmethyl)- 2,3,4,5,6,7-hexahydro-1H-purin-8-one was well-absorbed dan safe for consumption with Gibbs free energy value of -9.1490 kcal/mol. Hydrogen and hydrophobic interactions of these compounds were similar to the control ligand, namely β-amyrin and Trehalose. This study concluded that the active compound of red betel 6-Amino-2-(3-aminopropylamino)-9-(cyclohexylmethyl)- 2,3,4,5,6,7-hexahydro-1H-purin-8-one has the best potential to increase the work of Cu/Zn-SOD enzymes. This compound also meets the requirements of Lipinski regulations so that it can be well absorbed orally by the body and is not carcinogenic
Canal Water Quality Status in Settlement and Trade Area Weli Zuandi; Rizki Putranto; Sigit Normagiat
Indonesian Journal of Applied Research (IJAR) Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/ijar.v3i2.214

Abstract

Decreasing canal water quality due to densely populated settlements and trade is a common problem in urban areas. This study aims to assess the current water quality standards of the Sei Jawi canal so that appropriate management steps can take. Water sampling was divided into seven stations based on the difference in distance from the canal estuary. The parameters measured were Dissolved Oxygen (DO), pH, temperature, Total Dissolved Solids (TDS), Total Suspended Solids (TSS), Biological Oxygen Demand (BOD), and Chemical Oxygen Demand (COD). The results of the research on the water quality of the Sei Jawi channel revealed that the parameters of temperature, pH, TDS, and TSS were not below the threshold of the quality standard, while the DO level was in the category III quality standard, but the COD and BOD levels were higher than those outlined in PP No. 22 the year 2021 about the Implementation of Environmental Protection and Management
Development of a Simple Micriscope from Used Goods as a Science Learning Media Muhammad Ma'arif Ikhsannudin
Indonesian Journal of Applied Research (IJAR) Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/ijar.v3i2.220

Abstract

The purpose of this study is expected to be able to develop a microscope from used goods that are used as a mechanism for learning science in schools. By using a simple microscope from used goods, it can make it easier for educators and students in the teaching and learning process. Furthermore, this research also has a stage in the manufacturing process or called the method. The method used is called the 4D development method, where this method has the stages of Define, Design, Develop, and Disseminate. According to the results of the research conducted, a simple microscope from used goods is very effective as a learning medium. A simple microscope from scrap can also ease the burden on the school in purchasing a microscope due to the high price of a microscope. The results obtained were quite good and in accordance with the cellphone camera at the time the study was carried out. Despite this, this simple microscope has its advantages and disadvantages. The advantage of this simple microscope is that this microscope is made of materials around us so that students themselves have no difficulty making it. While the weakness lies in this simple microscope which can only see objects with a magnification of 10 times the original and the quality is then in accordance with the cellphone camera used.
Determination of Cost of Goods Produced in Processed Agribusiness Based on Mangosteen Peel Flour Linar Humaira; Asmanur Jannah; Anna Fitriani
Indonesian Journal of Applied Research (IJAR) Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/ijar.v3i3.222

Abstract

The Peasant Women's Group is a forum that provides opportunities for women to advance in the agricultural sector, one of which is the Pelangi Gunung Suling, located in Barengkok Village, Leuwiliang District, Bogor Regency. This group focuses on agribusiness-processed agricultural products. But in determining the cost of goods produced by processed products, they are still based on estimates only; for this reason, it needs to be studied in determining the cost of goods produced in processed agribusinesses based on Mangosteen peel flour. This study aims to determine the cost of goods produced to determine the selling price of processed cookies produced from mangosteen peel flour. The research method is used purposively or intentionally in the Gunung Suling farmer women's group through recording during the production and documentation process and analyzed by descriptive analysis with a quantitative approach and calculation analysis using the full costing method. The results showed that the calculation of the cost of goods produced by mangosteen peel pao cakes charges raw materials of IDR 89,771 per production per day. In contrast, direct labor costs of IDR 50,000 with overhead costs only consider baking paper, fuel gas, and packaging only Rp. 21,800, -. The total production cost to produce 80 pao cakes per day is IDR 151,671, so the cost of goods produced per piece is IDR 2,020. Using the full costing method, a reasonable selling price of IDR 2,121.86 is obtained; this method can cover all production costs of making pao cakes per piece per production. Determining the cost of goods can be used as a basis for determining the selling price of the production of pao cakes made from additional mangosteen skin flour
Design of Desktop-Based Library Applications Using Java in Public Elementary Schools Muhammad Encep
Indonesian Journal of Applied Research (IJAR) Vol. 3 No. 2 (2022): Indonesian Journal of Applied Research (IJAR)
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/ijar.v3i2.223

Abstract

The library is a place that provides a vast collection of books, which are financed and operated by a city or institution, and used by people who, on average, cannot afford to buy many books at their own expense. The research was carried out in a library in a Bogor City State Elementary School, which was closed. The library visitors consisted of teachers, staff, and public elementary school students. Borrowing books is usually on the instructions of teaching teachers to do school assignments concerning books that can be borrowed in the library. Library management is still done manually in processing library data, so they often experience difficulties in managing books and membership data, collecting data on the borrowing process, and returning and making reports. In addition, library operations have not yet run optimally.The research method used is Research and Development with several stages, namely Planning and Needs Analysis, Analysis by conducting Literature Studies, interviews and observations, Design, Implementation, Testing and Integration, and Maintenance. The study results are in the form of a computerized system that facilitates library activities to run well, especially in presenting fast, precise, accurate, and safe information that can overcome various existing problems.

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