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International Journal of Applied Biology
Published by Universitas Hasanuddin
ISSN : 25802410     EISSN : 25802119     DOI : -
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Automotive Engineering Energy Environmental Science
International Journal of Applied Biology is an international, peer reviewed journal, publishing high-quality research. International Journal of Applied Biology only publishes manuscripts in English. Please see the journal's Focus & Scope for information about its Scope and peer-review policy. International Journal of Applied Biology is available in print and online version.
Arjuna Subject : -
Articles 168 Documents
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The effect of plastic waste on the coastal socio-economic community of the Lantebung in Makassar City, South Sulawesi Province, Indonesia Lukman Daris; Andi Nur Apung; Wahyuti; Irwansyah
International Journal of Applied Biology Vol. 6 No. 2 (2022): International Journal of Applied Biology
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijab.v6i2.24381

Abstract

Mangrove ecosystems provide various ecological and economic functions, such as environmental services as an ecotourism area. This study aims to determine the factors that influence plastic waste on the socio-economic life of coastal communities in the Lantebung area. The data in this study are primary data obtained from interviews with respondents with structured questions and statements. The data collection method with structured interview and data analysis used in this research is an impressional statistical method with an SEM approach. The results of the data analysis, the factors that affect plastic waste are the volume of waste with a loading factor value of 0.966.  In contrast, the factors that affect the social economy is a loading factor value of 0.732. Plastic waste has a significant relationship to the socio-economic community, with a P value of 0.018 less than 0.05. The direction of the relationship between plastic waste and the socio-economic community is negative, with -0.240, meaning that the higher the plastic waste, the socio-economic community in the Lantebung mangrove area will decrease.
Antidiabetic Activity of Catechin from Cinnamon (Cinnamomun Burmanii) by Inhibiting Alfa Glucosidase Enzyme Zaenab, St; Hasyim, Zohrah
International Journal of Applied Biology Vol. 6 No. 2 (2022): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

Diabetes mellitus (DM) is a chronic disease that occurs when the body experiences insulin resistance. One of the treatment for DM is by inhibiting the performance of the -glucosidase enzyme which is located on the smooth wall. Indonesia is famous for having various types of herbal plants that are often used as traditional ingredients, one of which is cinnamon (Cinnamomun burman II) which has compounds such as catechins that are useful as antioxidants. This research method a docking simulation, the ligand was downloaded in the Pubmed database and the androgen receptor macromolecule was downloaded in the Protein Data Bank (PDB), the ligand structure preparation, the test ligand docking simulation and the comparison uses the pymol,pyrx program, and Lipinski test, toxicity test using the PREADMET program. The results of binding affinity for the test compound, namely catechin compounds, obtained a binding affinity of -8.0 kcal/mol, while the comparative test, metformin, obtained a binding affinity of -3.3 kcal/mol and Lipinski qualifies as non-carcinogens but can be mutagens. These results indicate that catechin compounds have greater inhibition on alpha glucosidase receptors that cause type 2 diabetes mellitus compared to metformin compounds.
Strategy for Women Scavengers in Fulfilling the Family Economy in Makassar City (The Case of Scavengers Involving Toddlers in Urban Areas) Mardiana Ethrawaty Fachry; Nur Ikhsan; Mansyur Radjab; Herawaty; Fatmawati; Sitti Bulkis
International Journal of Applied Biology Vol. 6 No. 2 (2022): International Journal of Applied Biology
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijab.v6i2.21882

Abstract

            Poverty is still a problem in urban areas. Limited skills and employment have caused women from low-income families to also seek work as scavengers or collectors of waste and used goods to help support their family's economy. This study aims to find the characteristics of female scavengers in responding to poor women fulfilling their family's economy. The involvement of children under five in the scavenging process is also a review in finding the distribution of gender roles in scavenger households. This research was conducted in Makassar City using a qualitative approach. Data were obtained from 25 families of female scavengers. The study found that women in scavenging activities involved children between the ages of 1 and 5 years, which was a domestic role and a strategy to get additional income from the community's compassion. Scavenger women make an economic contribution to the family between 40% and 77%. The involvement of children under five in the scavenging process is a form of child exploitation which has yet to become the attention of the Makassar city government.
Effect of Bioslurry Concentration in Feed on The Growth and Survival of Milkfish (Chanos chanos Forsskal) Zaenab, St; Masriah, Andi; Suryahman, Agus
International Journal of Applied Biology Vol. 6 No. 2 (2022): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

Bioslurry is cow excreta waste processed anaerobically as a nutritional by-product of biogas production, which contains proteins, carbohydrates, fats and minerals. This study aims to determine the concentration of solid bioslurry in feed and the concentration of liquid bioslurry in feed containing solid bioslurry, which is optimal for increasing the growth and survival of milkfish. The results showed that the best feed with a concentration of 50% solid bioslurry resulted in a growth of 100.05 grams ± 6.98 and a survival rate of 96.67% ± 1.15. A significant growth increase in feed with a high bioslurry content indicates that bioslurry contains nutrients capable of increasing growth energy in milkfish. The growth of milkfish continues to increase along with the increasing concentration of bioslurry liquid waste added to the feed as a source of probiotics. Adding 50 ml of liquid bioslurry into 100 grams of feed resulted in the best growth of 165.33 grams ± 2.08. Liquid bioslurry contains probiotic microbial bioactivators and functions to increase growth.
The The Activity of Salmonella Typhii in Milkfish (Chanos chanos) with Invitro. Munawir, Andi Muhammad; Basir, Anastasia A
International Journal of Applied Biology Vol. 7 No. 1 (2023): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

Milkfish is a seafood commodity that is very popular with the community. However, milkfish can also be a source of spreading bacteria if it is not managed hygienically and safely. The objective of this experiment was to activite Salmonella typhii in milkfish using the invitro test. This research was called out in Microbiology Laboratory at the Faculty of Medical, Hasanuddin University, Makassar, Indonesia. The result of this experiment indicated that Salmonella typhii gave a positive result for the Biochemical test with TSIA media, SIM media, MRVP media, citrate, urea, Glucose, Sucrose, Lactose, Mannitol at three samples of milkfish out of ten samples taken randomly at the fish market and fish auction in Makassar, the contamination level of Salmonella typhii bacteria in all observed samples was moderate with a percentage level of 30%. Next test antibacterial and antibiotic tests were carried out with MHA medium and antibiotics, and the antibiotic Ciprofloxacin has a high degree of sensitivity test.
The Utilization Potential of Tasikamdu Star Fruit Composted Waste for Mustard Cultivation (Brassica rapa L.) In Supporting Sustainable Agriculture Sumiasih, Inanpi Hidayati; Puspitawati, Mutiara Dewi; Maulana, Fayyadh Yusuf; Yadarabullah
International Journal of Applied Biology Vol. 7 No. 1 (2023): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

Attaqie Farm Agroedutourism produced 1.5 tons/ha of star fruit waste in 2018, which was wasted because it was not utilized by starfruit farmers. Attaqie farm strives to implement the Sustainable Agriculture System (SPT) to support sustainable agriculture. The waste originating from one cultivation can be used as a resource in other forms. The application of integrated and sustainable agriculture is beneficial for farmers to preserve the ecology while maintaining the culture adopted in an area. Farmers' objectives for agricultural cultivation are good, healthy, and maximum yields, therefore the availability of compost is needed. The technology that has developed makes it easier for farmers or researchers to make compost in a short time. The study began with making compost with star fruit waste, namely residual leaves and fruit from thinning. This research was carried out using a Randomized Block Design (RBD). The treatment was replicated 4 times, with 3 experimental units, and 5 dose levels. Nutrients in the star fruit waste compost showed good results for compost criteria according to SNI 19-7030-2004 standard. The effective dosage for star fruit compost in mustard cultivation was 20 tons/ha (equivalent to 40 g/polybag).
The Utilization of Nutraceuticals and Phytochemical Compounds to Inhibit The Interaction of Spike-protein SARS-CoV-2 Virus and ACE-2 Receptor for COVID-19 Therapy (Literature Review) Ferdinand, David; Hartanti, Lanny
International Journal of Applied Biology Vol. 7 No. 1 (2023): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

SARS-CoV-2 virus can cause Coronavirus disease 2019 (COVID-19). The interaction between spike protein and ACE2 receptor causes virus entry into the cells. The aim of this study was to review the utilization of nutraceutical and phytochemical agents to inhibit the interaction of spike protein envelope SARS-CoV-2 virus and ACE2 receptor. The data literature was retrieved from several databases such as Google scholar, Science direct, and PubMed. This study was conducted from September-October 2020. The review process was conducted based on PRISMA Guidelines.The results showed that nutraceuticals such as tuna peptides (EEAGGATAAQIEM), nisin, teicoplanin, zinc, propolis, Ganoderma lucidum, brown algae, and lectin have the potential to inhibit the interaction of spike protein SARS-CoV-2 virus and ACE2 receptor. Phytochemical compounds such as curcumin, luteolin, EGCG, hesperidin, resveratrol, saikosaponin, nicotianamine, procyanidin and the others also have the same. From this study, it can be concluded that nutraceuticals and phytochemical agents have potential benefits in COVID-19 treatment based on in silico study. However, we need further studies based on in vitro experiments and in vivo to ensure the effectivity of those nutraceutical agents.
The Potential of Seaweed Gracilaria sp. as An Organic Waste Bioremediation Agent. Khatimah, Khusnul; Sompa, Andi; Haerunnisa, Haerunnisa; Zaenab, St
International Journal of Applied Biology Vol. 7 No. 1 (2023): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

Increased fishing and agricultural activities trigger eutrophication events in marine waters. Excessive availability of nutrients can cause changes in the composition of community structures in marine ecosystems. Therefore an effort is needed to mitigate the eutrophication process in coastal and marine areas by increasing the nutrient partition coefficient in compartments that can absorb or consume these nutrients such as macroalgae or seaweed. The aim of this study was to determine the absorption capacity of nutrients (N and P) from Gracilaria sp. Seaweed as a mitigating agent for eutrophication in waters. This research was conducted in October–November 2018 in a controlled manner at the PUI-P2RL Wet Laboratory, Hasanuddin University. Seaweed maintenance media is intensive pond wastewater that has gone through a filtering and sterilization process. The results showed that Gracilaria sp. able to absorb nutrients in the form of NH3, NO2 , NO3 and PO4. Gracilaria sp. able to reduce NO3 by 0.840 ± 0.065 μg/l/day, NO2 by 2.100 ± 0.609 μg/l/day, NH3 by 1.506 ± 0.204 μg/l/day and PO4 by 8.756 ± 2.785 μg/l/day.
Biological Control of Fungal Phytopathogens with Trichoderma harzianum and Its Fungicidal Compatibility Poudel, Sudeep; Khanal, Pratit; C., Bigyan K.; Pokharel, Sadikshya; Gauli, Sandesh
International Journal of Applied Biology Vol. 7 No. 1 (2023): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

Excessive synthetic fungicide use reduces soil's antagonistic population, allowing soil-borne plant pathogens to cause significant global losses. Despite high fungicide application, plant diseases persist, harming the ecosystem. Trichoderma spp, an eco-friendly plant symbiont, can serve as an alternative biocontrol agent. This study evaluated Trichoderma harzianum's antagonistic effect against fungal pathogens and its compatibility with fungicides under in-vitro  using a Completely Randomized Design with four replications per treatment. Trichoderma harzianum showed high antagonistic activity for Alternaria brassicicola (70.35%), Fusarium solani (70.82%), Helminthosporium sorokinana (66.55%), Rhizoctonia solani (78.58%), Sclerotium rolfsii (92.53%). Among the tested fungicides, Copper oxychloride and Mancoxeb at 400 ppm showed maximum compatibility with growth inhibition percent (GIP) of 2.41% and 7.91%, respectively, after 60 hours of incubation. Fungicides viz., Carbendazim, Hexaconazole, and Carbendazim+Mancozeb at all concentrations aren’t compatible with 100% GIP throughout the experiment, and for Metalaxyl+Mancozeb, high growth inhibition percent was observed ranging from 42.77% to 78.40% making it incompatible. In integrated disease management, compatible fungicides at recommended doses can be used in combination with T. harzianum.  
Effect of Mycorrhiza on Vegetative Growth of Mandarin’s (Citrus reticulata Blanco) Seedlings Dahal, Arjun; Thapa, Sujan Jung; Poudel, Pankaj; Poudel, Puspa; Newar, Saurabh Joshi; Dahal, Bienam; Joshi, Naryan Raj; Joshi, Prakash
International Journal of Applied Biology Vol. 7 No. 1 (2023): International Journal of Applied Biology
Publisher : Hasanuddin University

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Abstract

Citrus is among the top fruits which are cultivated around the world, and among citrus, Mandarin (Citrus reticulata Blanco) comes first and belongs to the family Rutaceae. A field experiment was conducted in Gorkha, Nepal, from April 2021 to July 2022, to study the effect of different doses of Mycorrhiza in the vegetative growth seedlings. The experiment was set up in a Randomized Complete Block Design (RCBD) with five treatments and four replications. The treatments were named T1: Control, T2: 3g/seedling, T3: 6g/seedling, T4: 9g/seedling, and T5: 11g/seedling, respectively. Eighteen months old seedlings of local Mandarin were uprooted and transplanted in finely pulverized and prepared seedbeds, and Mycorrhiza was added subsequently. Data was collected for plant height, number of leaves, and stem diameter. Data analysis was done through Microsoft- Excel, RStudio, and Analysis of Variance (ANOVA). Results of the study showed that plants treated with 9g of Mycorrhiza produced the highest number of measured parameters compared to plants treated with other doses. Control treatment (0g) produces the least number of plant leaves, Height, and stem diameter, and it can be concluded that a mycorrhizal dose of 9g is the best for the vegetative growth of Mandarin.

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