bluuebunny/crossref_metadata_2025_split huggingface dataset:
The effect of corn (Zea mays L.) kernel extract as a natural growth regulator in pacthouli (Pogostemon cablin Benth.) subculture plantlet
Authors: Yunita  , Putri S A A , Iqbar  , Masykur  , Rizki A 
Published: February 2024

Abstract
Patchouli is an essential oil producing plant which has high demand in the market. The high demand for patchouli cannot be met by conventional methods so it is diverted to use the in-vitro culture method. In-vitro culture media and plant growth regulators (PGR) are the keys to the success of culture. The study was conducted using corn kernel extract as natural PGR on in-vitro culture media with the aim of observing the effect of corn kernel extract on Patchouli plant explants. This research was designed in a completely randomized design with 6 treatments and 5 replications, namely the addition of 2, 6, 12, 18, 24 mg/L extract and no extract as a control. The parameters measured in this study were stem height, number of shoots, number of leaves and number of roots. The research results showed that the addition of corn kernel extract has a significant effect on stem height and number of roots, inversely for number of shoots and number of leaves. Media sterilization is thought to damage natural PGR due to the low stability of PGR. The starch content in corn kernel extract is thought to have the potential to inhibit the growth of Aceh patchouli explants.
A study on the potential of Bacillus thuringiensis AK08 to control pathogenic fungi associated with chili plant
Authors: Oktarina H , Husna A , Nafida J T , Pramayudi N , Chamzurni T 
Published: February 2024

Abstract

Colletotrichum sp. and Fusarium sp. are significant fungal plant pathogen that affect chili plants. Various techniques are employed to manage the plant pathogens, including the application of biological agents such as Bacillus thuringiensis (Bt). This study aims to evaluate the efficacy of Bt AK08 in managing Colletotrichum sp. and Fusarium sp. Bt AK08 was subjected to dual-culturing experiments with the pathogens individually. Positive controls were employed in this study, consisting of Colletotrichum sp. and Fusarium sp. that were cultivated separately on pure potato dextrose agar. Propineb supplemented growth medium was serves as a negative control. The study involved the assessment of colony diameter of Colletotrichum sp. and Fusarium sp., as well as the evaluation of the antagonism activity exhibited by Bt AK08 through antibiosis activity and hyphal lysis. The findings indicated that Bt AK08 did not exhibit any antibiosis action since it did not result in a reduction in the colony diameter of the plant pathogenic fungus. However, we observed the breakdown of the hypha of the fungi. The present discovery suggests that Bt AK08 has promise as a potential agent for the management of Colletotrichum sp. and Fusarium sp. Hence, additional investigation is necessary to maximize its potential.
Bioindustry Development of Environment Friendly Organic Granular Fertilizer at Farming Groups in West Kalimantan Indonesia
Authors: Hatta M , Aziz H , Permana D , Rohaeni E S , Ahmad S N 
Published: February 2024

Abstract
Management of organic fertilizers from cattle waste can increase economic growth in rural areas that are environmentally friendly and sustainable (a green economy). This study aims to obtain granular organic fertilizer products on the Farmer Group scale (home industry), which can increase added value and income of farmers to be environmentally friendly and sustainable. The management of this granular organic fertilizer utilizes site-specific (in-situ) technological innovations and the use of local resources that can restore sustainability. The analytical methods used are comparative analysis, namely comparing bulk fertilizer and granule fertilizer on efficiency and effectiveness, analysis of organic fertilizer from cattle waste using experimental design and institutional engineering. To achieve this goal, the research uses a rural agro-industry approach based on local agricultural resources and applies appropriate technological innovations. The results showed that the management of granular organic fertilizer from cattle waste can improve product quality and efficiency in the use of organic fertilizers. The management of this granular organic fertilizer is carried out using social engineering and strengthening of farmer group agribusiness institutions in rural areas that are environmentally friendly so that they can be sustainable. The utility of granular organic fertilizer is more efficient because it does not dissolve easily and is not carried away by water flows when done in irrigated agriculture or wetlands.
DNA marker utilization for the sustainable production of trehalose
Authors: Trinugroho J P , Asadi F , Hidayat A A , Nirwantono R , Pardamean B 
Published: February 2024

Abstract
Trehalose is a type of sugar that is known by its stability and resilience towards acid and low temperature. Furthermore, trehalose has numerous health benefits and has been used by several industries, including food, cosmetics, and pharmaceuticals. Even though trehalose could be easily produced using trehalose synthase (TreS) enzyme, a sustainable production of trehalose is still a problem. Our work aims to develop an approach to identify a novel trehalose synthase enzyme from various organisms, especially thermophilic bacteria, by implementing a deoxyribonucleic acid (DNA) marker technique. We first collected protein and DNA sequences from public biological databases and subsequently conducted sequence analysis. We then designed degenerate primers based on the conserved regions identified from the sequence analysis. The designed primers were subjected to primer characterization using Oligo Calc software. The primers were further validated via in-silico PCR amplification. In general, our designed primers possess the properties to work optimally. In addition, agarose gel electrophoresis that the primers successfully amplified nucleotides encoding TreS enzyme from all samples. Our findings may serve as a basis to discover the TreS enzyme variants which possess superior attributes, allowing the sustainable production of trehalose.
Physical and organoleptic characteristics of jelly candy from beetroot (Beta vulgaris L.) and red dragon fruit skin (Hylocereus polyrhizus)
Authors: Fajriyani N , Anwar S H , Noviasari S 
Published: February 2024

Abstract
Jelly candy is made from fruit juice and gelling ingredients as well as additional sweeteners. Jelly candy ingredients are often used as an alternative snack for people with diabetes, and contain nutrients and are high in fiber, so that they can meet nutritional needs and as well as help people avoid hyperglycemia. This study aims to investigate the physical and sensory characteristics of jelly candy made with natural coloring agents from beetroot and red dragon fruit skin. This study was designed by examining 3 (three) variables, namely: 1) type of dye (P), gelling agent (G) and the ratio of stevia:sucrose (R). The parameters analyzed were physical (texture and color) and organoleptic properties (color, aroma, taste and texture). The results showed that the texture, color (L*, a*, and b*), and organoleptic (color) parameters were influenced by the addition of coloring agents (P). The value of texture, color (b*), and organoleptic (color) are all impacted by the inclusion of gelling agents (gelatin and pectin). The textural value is influenced by the stevia: sucrose ratio. Based on the analysis, the best treatment was the combination of red dragon fruit skin with gelatin and stevia: sucrose ratio of 0%:30% with the texture value (10.03 g/mm), color *L (26.27), a*( 15.47), b*(8.27) and organoleptic properties (color) was 3.39-3.44 (neutral).
Screening on halal gelatin extraction from spotted oceanic triggerfish (Chanthidermis maculata) skin using response surface methodology
Authors: Fahrizal  , Arpi N , Supardan M.D , Suseno S.H 
Published: February 2024

Abstract
Spotted oceanic triggerfish fish is one type of fish that has the potential to be a source of halal gelatin. Almost all parts of his body can become gelatin. In the process of processing the fish, many parts are wasted such as skin. Though this skin can be used for gelatin extract. From the results of the study, gelatin yield ranged from 2.7 – 9.3% with an average value of 5.50%. This gelatin has a viscosity value ranging from 6.21 – 7.57 cP which was analyzed using the Rapid Visco Analyzer (RVA) instrument and gel strength analysis using a Texture Analyzer and found results of 80.33 – 97.67 g / cm2. Based on the probability value < 0.05 yield, viscosity, and gel strength of gelatin, it is known that there are several independent variables that have a real effect on yield, namely variables B (concentration of H2SO4), D (soaking duration), F (ratio of water/extraction skin) and G (extraction temperature). In viscosity, the influential variables are C (citric acid concentration), D (soaking duration), E (soaking water/skin ratio) and G (extraction temperature). While on gel strength, the influential variables are A (NaOH concentration) and G (extraction temperature). The influence of factors on response can be sorted sequentially, namely the order in yield is G>F>B>D>A>H>C>E, in viscosity is C>E>D>G>H>A>B>F and in gel strength is G>A>E>H>B>F>C>D. This indicates that the G factor (extraction temperature) was selected as the most important factor, and the 2nd and 3rd most important factors can be selected from A (NaOH concentration), B (H 2SO4 concentration), D (extraction duration) and E (soaking water/skin ratio), and H (extraction duration).
An overview of essential oil-based nanoemulsion and their biological activities against some microbial pathogenic
Authors: Khairan K , Marfu’ah Mar’ah , Idroes R , Sriwati R , Diah M 
Published: February 2024

Abstract
The essential oils are constantly increasing due to their biological activities utilization in several fields, from agricultures to pharmaceuticals. However, their extensively use are still limited due to their disreputable physico-chemical properties. Nowadays, the most appropriate to overcome such restrictions is to develop of the proper formulation strategies. One of the oncoming prompted to achieve this goal is through nanoemulsions. Nanoemulsion are heterogeneous dispersions or a colloidal particulate system in the submicron size range acting as carriers of drug molecules. Nanoemulsion is most studied in encapsulation process due to inexpensive in their manufacturing, ease of formulation and easy waste handling. In this review, intends to offer an overview of the formulation, preparation of essential oil-based nanoemulsion and their biological activities against some microbial pathogenic.
Utilization of chitosan as an additive for enhancing the performance of polyethersulfone membranes for water treatment
Authors: Fathanah U , Lubis MR , Rosnelly CM , Muchtar S , Yusuf M , Dasmara ANH , Fazira F 
Published: February 2024

Abstract
This research investigates the impact of adding chitosan as an additive to improve membrane performance. Membrane fabrication was conducted using the non-solvent-induced phase separation method with polymer blending. Characterization was conducted by evaluating functional groups using FTIR, morphological structure using SEM, and water contact angle using a WCA meter. The research findings show that chitosan additives have a positive influence on the prepared PES membrane. There was a change in the morphological form on the membrane, as evidenced by SEM photos of the cross-section of the membrane. An increase in chitosan concentration resulted in improved hydrophilic properties of the membrane, indicated by a 63.2° reduction in water contact angle. The results show that the best membrane performance was achieved with 4% chitosan addition, resulting in a water flux of 38.2 L/m2.h as well as humic acid rejection of 67.9%.
Saltwater Intrusion at Kapuas Besar Estuary Using 1-Dimensional Analytical Method
Authors: Aziz Danke , Tarya Ayi 
Published: February 2024

Abstract
The Kapuas Besar Estuary in West Kalimantan is vital for both the local community’s ecological and economic well-being. One major issue faced in this estuary is saltwater intrusion. This study aims to investigate saltwater intrusion variation using a one-dimensional (1D) analytical model. The model input data includes estuary geometry, tides, salinity, and river discharge. Simulation results demonstrate the effectiveness of the 1D analytical model in predicting saltwater distance based on the Root Mean Square Error (RMSE), Percent Bias (PBIAS), and Nash-Sutcliffe Efficiency (NSE) values between the analytical model results and observed data ranging from 0.82-1.70 psu, 1.64-2.85%, and 0.96-0.99 respectively. The model proves applicable during the May-October period, subject to the condition that the river discharge remains below 3,200 m3/s. However, during November-April the model tends to underestimate compared to actual distance. Model results show saltwater intrusion increasing from December to June by 49 km, then decreasing from July to November by 38 km. The minimum distance of saltwater intrusion occurred in May (1 km from the estuary mouth) when river discharge of 8,853.82 m3/s. Conversely, the maximum saltwater intrusion distance was observed in June (71 km from the estuary mouth) with a river discharge of 1,034.55 m3/s.
Tanker and SPM Motion Response Analysis due to Environmental Load
Authors: Hadiwidodo Y. S. , Gymnastiar F. , Syahroni N. , Rachman A. 
Published: February 2024

Abstract
The use of tankers for oil and gas distribution requires auxiliary structures such as Single Point Mooring (SPM). In the process of loading cargo, tankers must maintain a level of stability so that the load transfer process runs smoothly. Stability needs to be checked using inputs in the form of structural responses in free-floating conditions to get structural responses when moored. Analysis of the motion response of tankers and SPM in free-floating conditions showed that ballast tanker loads had a greater motion response than full loads with the largest movement on roll at 3.59 deg/m. The moored motion response of the tanker has the greatest amplitude in the surge movement towards the AP with a value of -0.2251 m.
Increasing Globalization Business and Ecotourism Branding on the Beach of Delegan, Gresik, East Java
Authors: Mustain Mahmud , Ariyanti Anggita Deva 
Published: February 2024

Abstract
Developing and managing ecotourism is an effort to utilize local resources optimally. Delegan Beach in Gresik, East Java, is an area for the management and development of ecotourism. This study aims to determine the potential resources in the Delegan beach tourism object using the Analysis Hierarchy Process (AHP) method. Based on the analysis, Delegan Beach has potential ecotourism because of the sloping beach topography, calm waves, and white sand. However, the development of Dalegan Beach as ecotourism has several obstacles, including the lack of supporting infrastructure for tourist attractions, cooperation between village communities and local governments, and poor management so that ecotourism development has not been maximized. The main priority of the policy regarding management studies and the potential of the Gresik coastal area, according to stakeholder perceptions, is the empowerment of human resources 51%, then followed by the development of tourism branding by 26% as the second priority, followed by the development of tourist destinations by 16%, and the last is ecotourism-based management. by 8%. The study’s results also show that the determinants of the development of the Delegan Beach tourism area influence the forms of participation carried out by the local community. The resulting development directions include utilizing various resources, developing facilities as community business opportunities, empowering community skills, increasing area promotion, and efforts to preserve the environment.
Small Scale Plant of Desalination Using Multiple Tray Aerator and Two Different Membranes of Reverse Osmosis Using Low-Pressure Pump
Authors: Danial M M , Purnaini R , Hadary F , Lestari A D , Prasetya H , Yhavez D D , Putri E M , Apriyantine  
Published: February 2024

Abstract
The seawater is an abundant source that still not be utilized as potential raw water source to overcome the deficit of drinking water. This paper aims to design the small-scale desalination plant with the capacity of 2000 gpd for treating the brackish and seawater. There are two split processes, i.e., multi-tray aerator and filtration for reducing the Fe and Mn, while the two different type reverse osmosis membranes were used for desalinating process. Parameters used to verify the performance of small-scale plant are salinity and total dissolved solid for membranes, while the parameters for examining the pre-treatment results are TSS, BOD, pH, Fe, and Mn. The test results will be evaluated under the Regulation of The Minister of Health, Number 32/2017. The influence of pump pressure on flow will also be analysed. The results show that multi-tray aerator needs some improvement to reduce the Mn, and Fe. The two types of membranes could significantly reduce the salinity level up to 91.7%, from 22,900 ppm to 1200 ppm. The pump pressure needs to be replaced into the high-pressure pump to reduce the salinity level significantly.
Processed Seafood Determination for Fishermen Prosperity Using Macro Ergonomic and Analytical Hierarchy Process
Authors: Nurmianto Eko , Kusuma S H , Soehardjoepri S , Nadhiroh S R , Rahmaningsih S , Fauziah F N , Trikurniawan G S 
Published: February 2024

Abstract
The high rate of stunting in children in East Java Province is a problem that has become a major focus in the national scope. Based on these problems, the researcher intends to increase the intake of animal protein from fish for fishermen’s families, by prioritizing fish processing in coastal areas of East Java and providing education and knowledge for fishermen in fish processing methods in coastal areas of East Java Province. An analysis was carried out using the macro ergonomic and Analytical Hierarchy Process (AHP) method to determine the priority of processed food from fish ingredients to reduce stunting rates. The criteria in this analysis are Community Preferences, Community Knowledge, Ergonomic process, Commodity Production, and Fish Processing Tools. The results of the analysis found that priority choices in percentage include Fish Nuggets, Fish Sticks, Fish Meatballs, and Fish Crackers. The final result of this study was the priority of processed fish food ingredients to reduce stunting rates in children in coastal areas of East Java Province. With these results, it can help SMEs and coastal communities to process fish food ingredients with the aim of developing communities and coastal areas and increasing fishermen’s family interest in consuming processed fish ingredients to reduce stunting.
Analysis of container loading-unloading performance at Teluk Lamong Terminal Surabaya
Authors: Dhanistha W L , Farabi M F , Rohmawati I 
Published: February 2024

Abstract
PT. Teluk Lamong Terminal (TTL) is a container terminal whose primary business is to serve the loading and unloading of containers. As a result, shipping by water is necessary and will become more so with each passing year. This was seen between 2017 and 2021, when the arrival of ships and the flow of containers at PT. Teluk Lamong Terminal increased. The goal of this study is to determine how strong the association between the factors investigated is the loading and unloading performance (container flow) at Teluk Tamong Terminal Port. This research employs both qualitative and quantitative approaches, as well as primary and secondary data sources. Using the regression technique, the container flow of Teluk Lamong Terminal in 2031 is 1,357,208 TEUs, with a growth rate of 4.49%, falling short of the UNCTAD criterion. The results revealed a substantial positive association between the variables Idle Time (X1), Not Operation Time (X2), ASC Utility (X3), and Container Flow (Y), with Fcount 276.730 > Ftable 19.2 and a significance of 0.044 0.05 accepting Ho and Ha. The Adjusted R Square score for the association between Idle Time (X1), Not Operation Time (X2), ASC Utility (X3), and Container Flow (Y) is 0.995, indicating a strong relationship.
Surface Current Measurement Using Large Scale Particle Image Velocimetry (LSPIV) in Ender Estuary, Cirebon
Authors: Tarya A , Aqdam Prasetyo M R 
Published: February 2024

Abstract
The Large-Scale Particle Image Velocimetry (LSPIV) method is an image- based technique that uses a non-intrusive approach or avoids direct physical contact with the water being studied to measure the velocity of water flow. The present study aims to identify surface velocity using LSPIV captured by Unmanned Aerial Vehicle (UAV) in Ender estuary, Cirebon. Field observation for surface velocity was conducted at three locations during flood and ebb tides. The surface current results of LSPIV compared with in situ velocity measurement by a current meter. The results of the LSPIV method are strongly influenced by the data acquisition process such as lighting, interrogation area, and video recording angle. Based on comparing the surface flow between results of LSPIV and observation data, the coefficient correlation (R) is 0.84 for velocity magnitude and R = 0.92 for flow direction. The Root Mean Square Error (RMSE) of 0.024 m/s for velocity magnitude and 4.81 degree for flow direction, and the Mean Absolute Error (MAE) range from 0.002 to 0.059 m/s (1 to 12 degree) for the velocity magnitude and the flow direction, respectively. Furthermore, the Mean Absolute Percentage Error (MAPE) value of 10.41% (8.84%) for magnitude and direction, respectively. Therefore, LSPIV was applied successfully to obtain surface velocity measurements.
A protection method for the coast of Phan Thiet City, Vietnam
Authors: Nguyen T T , Vo T D T 
Published: February 2024

Abstract
Vietnam is located in monsoon tropical region. That is received a lot of typhoons and tropical depresion annual. Coastal area has been erosion seriously from north to south of Vietnam recently. For developing social economic in the area, some coastal protection solutions have been applied away from natural and hurman influence. Phan Thiet belonging to Binh Thuan province is one of active cities in the South Central Coast. There has strengths in developing aquaculture, fishing and tourism. With a long coastline and beautiful beachs, Phan Thiet attracts a large number of domestic and foreign tourists any time of the year. Some coastal areas were constructed concrete wall or revetment to protect from erosion, however, that are damaged, depleaced or sinked by wave and natural impact. At present, government is supporting in recovering or rebuilt the new protection construction for creating lanscape at the coastal area. The research shows a solution revetment to protect the coastline that could be suiltable for local requirement of stability construction, serving tourism and community activities. That could reduce wave run up and foundation erosion, adapt to working condition of construction.