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Journal of Bioresources and Environmental Sciences
Published by CBIROE Scientia Academy
ISSN : 28298314     EISSN : 28297741     DOI : https://doi.org/10.61435/jbes.xxx.xxx
Core Subject : Science, Social,
Earth & Planetary Sciences Environmental Science
The Journal of Bioresources and Environmental Sciences (p-ISSN: 2829-8314; e-ISSN: 2829-7741) co-published by the Center of Biomass and Renewable Energy (CBIORE) aims to foster interdisciplinary communication and promote understanding of significant bioresources and environmental issues. The journal seeks to promote research on all aspects pertaining to the identification, utilization, and conversion of bioresources into bioproducts and their impacts on the environment including the fate and behavior of emerging contaminants, bioresources utilization impact on the environment, human activity to environmental contaminants and their health effects, and environmental remediation and management. The journal publishes original articles, reviews, commentary, methods, case reports, and opinions that are of high quality, high interest, and far-reaching consequence. The journal was commenced in 2022 and publishes 3 issues per year (April, August, December)
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ekologi
Articles 71 Documents
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Investigating environmental impacts of betel nut (Areca chatechu) waste disposal based on human behavior in Port Moresby, Papua New Guinea Pendis Ono; M Maryono; Fuad Muhamad
Journal of Bioresources and Environmental Sciences Vol 2, No 2 (2023): August 2023
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2023.19271

Abstract

The consumption of Areca catechu (betel nut) in combination with Piper betel and lime (calcium hydroxide) in Papua New Guinea has been a daily consumable commodity among the country’s population. Due to the increase usage of betel nut, more wastes tend to be deposited into the city’s environment making the city very filthy. The disposal of wastes along with its end byproducts has become a major problem for the environment due to uncontrolled human behavior and ignorance. The city of Port Moresby has seen a lot of wastes from betel nut husks and salivary spittle being spewed all over public places. The uncontrolled wastes disposal and carelessness of the people has significantly affected the outlook of the surrounding environment. Even though, laws were put in place to manage wastes, people do not care of the impacts and continue to ignore the laws. The study was undertaken to understand human behavior and characteristics towards improper waste management and determine the level of wastes derived from the use of betel nut. The study was conducted using simple random sampling and stratified sampling methods through interviews for qualitative data collection. The results revealed that ignorance and carelessness exist within the population in managing betel nut wastes. The results also indicate that banning the sale and trading of betel nut may lead to social and economic problems for most of the unemployed population in Port Moresby. Therefore, it requires a better approach from the government and the city authorities to develop and implement workable win-win solution to the problems faced by the city residence as well as managing their wastes from the use of betel nut.   
Optimization of The Durian Peel Waste Adsorbent in The Purification of Used Cooking Oil Sri Yatmani; Satrio Kuntolaksono; Indri Sivtiani; Windi Novitasari; Ulfah Khairiyyah Luthfiyani
Journal of Bioresources and Environmental Sciences Vol 1, No 3 (2022): December 2022
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2022.16356

Abstract

Durian peel waste (Durio zibethinus Murray) is not effectively exploited and even left to become rubbish, which pollutes the environment. The cellulose from durian peel can be used to generate absorbent activated carbon. This study improves the durian peel adsorbent for the purification of used cooking oil. Carbon activation expands the pores of activated carbon, increasing its surface area and adsorption capacities for purifying spent cooking oil. The best conditions for producing adsorbents from durian peel were identified by adjusting the carbonization period between 300, 400, and 500 °C, activating the 1.25 m mesh size with HCl and KOH activators at concentrations of 3 M and 4 M, and soaking the material for 24 hours. Using 4 M HCl activator, 24 hours at 400 °C, and SNI 06-3730- 1995 criteria, the ideal conditions for activating durian peel activated carbon in the purification of wasted cooking oil were achieved. SEM at 1000-fold magnification (1.357 mm) confirmed an even surface and successful absorption. Durian peel adsorption in the purification of wasted cooking oil reduced peroxides (30.26%), free fatty acids (57.14%), and water content (45%), clarifying the color of leftover cooking oil.
Optimization of light intensity and color temperature in the cultivation of Chlorella vulgaris culture using the Surface Response Method Marcelinus Christwardana; H. Hadiyanto; Wahyu Zuli Pratiwi
Journal of Bioresources and Environmental Sciences Vol 1, No 2 (2022): August 2022
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2022.14410

Abstract

Microalgae have an important role as a source of biomass in producing energy. One type of microalgae that has the potential to be developed is Chlorella vulgaris. Several factors that affect the growth and biomass production of Chlorella vulgaris microalgae are color temperature and light intensity because they play an important role in the photosynthesis process. This study aims to influence the effect of light and color temperature and optimize these parameters using Response Surface Methodology (RSM). Two independent variables were varied: light intensity 200, 400, 600, 800, 1000 lux and color temperature 3000, 4000, 5000, and 6000 K. The results showed that the average value of Chlorella vulgaris growth was higher along with higher light intensity. At a color temperature of 4000 K, the highest biomass yield and the most negligible biomass production were found at 6000 K. At a color temperature of 4000 K, it is feasible to apply it as an alternative lighting source in the production of Chlorella vulgaris. The combination of light intensity and color temperature shows that the specific growth rate and doubling time have opposite trends where high values produce low values and vice versa. Growth in dark conditions, the specific growth rate was 0.0026 day-1, and the optimal light intensity at 600 lux treatment. ANOVA evaluation showed that color temperature greatly affected growth. Based on the optimization, the optimal specific growth rate of 00751day-1 with the conditions of light intensity and color temperature of 556 lux and 4152 K, respectively.  
Extraction of oxalic acid from porang tuber by mechanical separation method Satriadi, Hantoro; Widayat, Widayat; Sianturi, Aurelia Genesya; Alfareza, Muhammad Ircham
Journal of Bioresources and Environmental Sciences Vol 3, No 1 (2024): April 2024
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/jbes.2024.19917

Abstract

Porang tuber is a source of food that has many benefits. It also has the disadvantage of increasing the risk of health problems because of its high oxalate content. One of the methods for capturing oxalic acid from porang tuber flour is the Mechanical Separation method. Porang flour was added to ethanol-water solvent with a ratio of the solvent mixture-porang flour and an ethanol-water composition according to the variable. The mixing of porang flour and the solvent mixture were heated and added with HCl. The filtrate obtained was taken and diluted. The diluted filtrate was taken and titrated using KMnO4. This study aims to examine the effect of material size (between 60 - 80 mesh, between 80 - 100 mesh, and >100 mesh), the composition of the solvent mixture (60:40 v/v, 78:22 v/v, 96:4 v/ v), and the ratio of solvent with porang tuber flour (10:1, 15:1, 20:1) to oxalic acid yield in porang tuber flour. The results showed that the optimum conditions obtained from this RSM method are flour size of 100 mesh, composition of ethanol: water = 96:4, and the ratio of solvent to flour 20:1. Oxalic acid yield obtained in this variable is 30.2469%.
Assessment of flood mitigation strategy based on integrated approach of remote sensing and coastal vulnerability geospatial modeling at the coastal plain of Suriname Irvin Martoredjo; Muhammad Helmi; Maryono Maryono
Journal of Bioresources and Environmental Sciences Vol 2, No 3 (2023): December 2023
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2023.19293

Abstract

Suriname is the smallest South American nation with a low-lying coastal plain that is vulnerable to inundation from the Atlantic Ocean and inland rivers, as well as pluvial flooding primarily due to rainfall. Paramaribo, the capital of Suriname, has the highest population density, and its demographics extend into the surrounding districts of Wanica and Commewijne. Suriname has experienced flood disasters almost annually, which has exacerbated in recent years, posing a significant socioeconomic challenge. The country must balance the need for flood disaster adaptation and climate resilience with the potential impact on its resources and well-being of settlement areas. Policymakers and other stakeholders are working to address environmental impacts on the coast, but there is still a need for a comprehensive approach to monitor and manage flood impacts. This research has three objectives. The first is to analyze flood frequency events from 2021 to 2023 using multi-temporal satellite image processing from Sentinel-1 SAR (Synthetic Aperture Radar). The second is to generate a Coastal Flood Vulnerability Index (CFVI) for floods using a geospatial multi-criteria analysis approach based on exposure, sensitivity, and adaptive capacity components. The third objective is to assess the mitigation strategy for floods in settlement areas based on an integrated analysis of CFVI and stakeholder perception. The research methodology uses a multi-criteria analysis regarding settlement areas and ranking each component by expert opinion in an equation derived from Intergovernmental Panel on Climate Change (IPCC) assessment report at district level. The CFVI indices rely on secondary data acquisition from national and global datasets or referenced works. Interviews were conducted to better understand the stakeholder’s perspectives that are at a strategic or governing level, and to evaluate the existence of flood early-warning and other adaptation capabilities. A flood mitigation strategy is then suggested for the most vulnerable district by CFVI score.  
Proximate Analysis and Hedonic Test on Dried Noodle with The Addition of Spirulina platensis Microalgae as A High Protein Food Marcelinus Christwardana; Aniek Sri Handayani; Evita Febriyanti; H. Hadiyanto; Angela Nitia Nefasa
Journal of Bioresources and Environmental Sciences Vol 2, No 1 (2023): April 2023
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2023.17445

Abstract

The study focuses on malnutrition. Dietary intake influences malnutrition. Indonesians choose dry noodles due of their portability. Dry noodles often include more carbohydrates than protein; consequently, the addition of Spirulina platensis may increase their protein level while de-creasing their carbohydrate load. This research evaluated the levels of protein, fat, water, and ash in dry noodles before and after supplementation with spirulina platensis. 1% and 2% of the fixed variable weight of Spirulina platensis were used. Included in analyses are protein, fat, water, and ash. Variation I (1%) results protein of 15.79%, whereas Variation II (2%) has 28.21%. Variation I (1%) have 13.07% moisture, whereas Variation II (2%) has 13,15%. Variation I (1%) contain 0.233% fat compared to variation II (2%) of 0.223%. Variation I (1%) had 1.445% ash content, whereas Variation II (2%), contained 2% ash. The nutritional value of Grade II or dried noodles with Spirulina platensis conforms to Indonesian National Standard 8217-2015. Spirulina platensis increases the pro-tein content of dry noodles when added. According to SNI 8217-2015 grade II, the addition of spir-ulina to dried noodles improved their protein, water, ash, and fat content. The nutritious content of dried noodles was improved by the inclusion of Spirulina platensis.
Color Evaluation of Dry Vermicelli Made from Combination of Arenga Starch, Rice Flour and Sorghum Febiani Dwi Utari; Ririn Puji Hastuti; Setia Budi Sasongko; Mohamad Djaeni
Journal of Bioresources and Environmental Sciences Vol 1, No 3 (2022): December 2022
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2022.15180

Abstract

In Indonesia, vermicelli is usually produced using arenga starch. But the arenga starch has limited in the term of quantity and the nutritional quality. In order to improve the arenga starch vermicelli, the formulation was combined with rice flour and sorghum. Each single change in vermicelli formulation will be modifies the final product color. This research studied the effect of vermicelli formulation on the color change of dry vermicelli. During the production of vermicelli, arenga starch was mixed with 10-90% of rice flour. The color parameter was observed as L* (lightness), a* (redness and greenness), and b* (yellowness and blueness). The total color difference was also calculated. The procedure was repeated with addition of sorghum. Result showed that the addition of rice flour increased the L* value. Meanwhile, the addition of sorghum decreased the L* value. Total color difference was higher in addition of sorghum.
Production of Cellulase by A. Niger and T. Reesei Under Solid State Fermentation Using Bagasse as Substrate A Abdullah; H Hamid
Journal of Bioresources and Environmental Sciences Vol 1, No 1 (2022): April 2022
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2022.14233

Abstract

Cellulase is a very important enzyme for ethanol production from lignocellulose and others. Bagasse is very good to be chosen as lignocellulosic material for cellulase production because it is cheap and already available in a huge amount. Solid-state fermentation has advantages than submerged fermentation because of its higher yield and activity. Cellulase production using solid-state fermentation has been researched by many people, but for different substrate, different pretreatment and different fungi producer, it is likely to have a different condition. It is very important to perform specific study to optimize cellulase production with specific substrate and specific fungi which available in Indonesia. Because large amount of fungi strains available so it is wise full if they are screened using effective and efficient methods. This research is started by initial screening of three strain of Trichoderma reesei and five strain of Aspergillus niger using Congo red dye staining on CMC agar plate. It is shown that a strain of Trichoderma reesei and two strains of Aspergillus niger has better activity than the others. Further screening is performed by conducting solid-state fermentation using bagasse by three best strains for five days. The activity of the cellulase is measured every 24-hour using Ghose method by dinitrosalicylic acid as reagent. The highest activity is shown by A.niger ITBCC L74 on third day at 0.525 Unit/gram
Tree carbon stock analysis in education forest KHDTK Wanadipa UNDIP, Semarang Saputro, Rizky Wahyu; Izzati, Munifatul; Yusuf, Muh
Journal of Bioresources and Environmental Sciences Vol 3, No 1 (2024): April 2024
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/jbes.2024.19912

Abstract

Global warming occurs due to increased gases from human activity. Efforts that can be made to minimize global warming are through the forestry sector. Trees play an ecological role, namely as carbon sinks and biomass storage throughout the plant body. The purpose of this study was to analyze the estimated value of carbon stocks in tree biomass in the Special Purposes Forest Area (SPFA) Wanadipa UNDIP Semarang Regency. The sampling method used for measuring tree biomass is the non-destructive method. The non-destructive method is a method that is carried out without destroying or taking all parts of the plant. Data analysis used was the calculation of tree biomass and carbon stocks, and statistical tests of the effect of tree diameter and tree height on carbon stocks in tree biomass. The research station that has the highest carbon stock value is the conservation block of 213,621.25 kg/ha or 213.62 tons/ha. The species that have the highest carbon stock value are Tectona grandis (Jati) and Swietenia mahagoni (Mahoni) in the research block. The amount of carbon that is increasing in the atmosphere at this time must be balanced with the amount of absorption, one of which is by conserving forests, namely through regular tree planting and paying attention to their regeneration, so that trees in carrying out their ecological role can be maintained.  
Green synthesis of silver nanoparticles and degradation of AZO-dyes using Cestrum diurnum plant extract, and antimicrobial activities of AgNP’s. Kamil Ahmad; Budi Warsito; Jafron Wasiq; Saqib Khan; Naseer Ahmed; Eagu John Calvin; Maria Ashraf
Journal of Bioresources and Environmental Sciences Vol 2, No 2 (2023): August 2023
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jbes.2023.19246

Abstract

Nanoparticles play an important role now days in different fields like drug delivery, diagnostics, therapy, engineering, energy, healthcare and Environment.  The goal of this study was to synthesize Silver Nanoparticles from extract of C. dirnum plant, degradation of azo-dyes with synthesized AgNP’s and finding bioactivity of AgNP’s against bacteria’s. The UV-Visible analysis of solution after addition of AgNP’s showed that the addition of silver NP’s reduced the absorbance peak of methyl orange from 2.87 to 1.0 and absorbance peak of methyl red decreased from 2.92 to 1.75. Green synthesis concepts can be used to create metal nano-particles, which have a promising future in the Azo-dye breakdown process. C. diurnum leaf extract acts as a reducing agent to synthesize metal nano-particles, providing environmentally friendly and energy-efficient alternatives. Bioactivity of AgNP's against gram negative and gram-positive bacteria were tested which gave strong inhibition against bacteria.  

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