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Kemandirian Pangan pada Masa Pandemik Covid-19 melalui Penerapan Teknologi Hidroponik di Kelurahan Wundudopi Kecamatan Baruga Kota Kendari Sitti Wirdhana Ahmad; Nur Arfa Yanti; Muhsin Muhsin; Wa Ode Nanang Trisna Dewi
Jurnal Pengabdian Pada Masyarakat Vol 6 No 1 (2021)
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/002.202161.716

Abstract

FOOD INDEPENDENCE DURING COVID-19 PANDEMIC THROUGH THE APPLICATION OF HYDROPONIC TECHNOLOGY IN WUNDUDOPI VILLAGE OF BARUGA DISTRICT, KENDARI CITY. Food security is one of the keys in the country development which is nowadays also affected by the Corona Virus Disease 2019 (COVID-19). The appeal about distancing and stay at home demands the community be able to maintain food security starting from household. Various activities can be carried out during the appeal to keep distancing and stay at home during the COVID-19 pandemic, especially those who can support household food needs, one of which is hydroponic organic vegetable farming. This activity is aimed to provide information, knowledge as well as practice on hydroponics farming techniques to produce vegetable crop products in an effort to maintain the food security during the COVID-19 pandemic. Participants who took part in this service program were the community groups Dasawisma Bukit Permai II and V Wundudopi Village, Baruga District, Kendari City. Community empowerment through the transfer of hydroponic technology starting with socialization and training in hydroponic farming, then continues with an evaluation to find out the Wundudopi community's perceptions of hydroponic farming technology. After implementing the program, participants experienced increased knowledge and gained skills in farming using hydroponic technology.
Diversifikasi Buah Mangrove menjadi Produk Olahan di Desa Tanjung Tiram, Kabupaten Konawe Selatan, Sulawesi Tenggara Jamili Jamili; Nur Arfa Yanti; Dedi Oetama
Jurnal ABDINUS : Jurnal Pengabdian Nusantara Vol 5 No 1 (2021): Volume 5 Nomor 1 Tahun 2021
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/ja.v5i1.14935

Abstract

Tanjung Tiram village is a coastal area in the North Moramo sub-district, South Konawe District, Southeast Sulawesi which has quite high mangroves. However, the mangrove communities in the area have experienced damage in several places. Therefore, this service activity provides counseling on mangrove ecosystem conservation and training on the use of mangrove fruit into various products of economic value. The purpose of this activity is to increase the knowledge and skills of the community about the manufacture of various processed products made from mangroves fruit so that the mangrove ecosystem in the area is better preserved. The methods and approaches used in this activity are counseling and training. Community service activities in the village of Tanjung Tiram can increase community knowledge about the importance of mangrove ecosystem conservation and utilization of mangrove fruit up to 100%. Mangrove fruit processing training provided to the community was also able to improve community skills in processing mangrove fruit into flour, syrup, and scrub cosmetics up to 75%.
BAKTERI ASAM LAKTAT DARI BUAH MANGGA ARUM MANIS (Mangifera indica L. var. Arum manis) Nur Arfa Yanti
bionature Vol 23, No 2 (2022): Oktober
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/bionature.v23i2.37860

Abstract

Bakteri asam laktat (BAL) merupakan bakteri yang banyak dimanfaatkan dalam bidang pangan karena aman dikonsumsi. Penelitian ini bertujuan untuk memperoleh bakteri asam laktat dari buah mangga Arum manis (Mangifera indica L. var. Arum manis). Isolasi BAL dilakukan dengan metode tuang (pour plate) mengunakan media spesifik de Man Rogosa Sharpe Agar (MRSA) + CaCO3. Karakterisasi yang dilakukan meliputi morfologi koloni, morfologi sel, uji katalase, dan uji motilitas. Bakteri asam laktat yang berhasil diisolasi  dari buah mangga Arum manis  sebanyak lima isolat yaitu isolat BAL1.3, BAL2.1, BAL3.2, BAL4.2 dan BAL5.2. Kelima isolat BAL memiliki karakter yang sama dengan karakter kunci BAL yaitu bentuk sel bacil (batang), bersifat Gram positif, non motil, tidak memiliki endospora  dan katalase negatif. Kelima isolate BAL diindikasikan sebagai anggota genus Lactobacilllus
EKSPLORASI BAKTERI TERMOHALOFILIK POTENSIAL PENGHASIL L-ASPARAGINASE SEBAGAI ANTIKANKER DI SUMBER AIR PANAS WAWOLESEA Jamaluddin Jamaluddin; Alfin Alfin; Muzuni Muzuni; Nur Arfa Yanti
BioWallacea : Jurnal Penelitian Biologi (Journal of Biological Research) Vol 5, No 1 (2018): Sains & Biodiversitas Wallacea
Publisher : University of Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (806.59 KB) | DOI: 10.33772/biowallacea.v5i1.4591

Abstract

ABSTRAK Tujuan penelitian ini adalah untuk memperoleh isolat bakteri termohalofilik penghasil enzim L-aparaginase dari sumber air panas Wawolesea. Bakteri termohalofilik penghasil L-asparaginase asal sumber air panas Wawolesea diperoleh dengan tahapan: survey dan pengukuran parameter lingkungan sumber air panas Wawolesea; isolasi bakteri pada media NA (Nutrient Agar) dan seleksi bakteri penghasil enzim L-asparaginase pada media M-9. Hasil isolasi menunjukkan adanya 52 isolat bakteri termohalofilik dan 14 isolat diantaranya mampu menghasilkan L-asparaginase. Kata Kunci: Bakteri Termohalofilik, L-Asparaginase, Sumber Air Panas Wawolesea ABSTRACT  The objective of this study was to obtain isolates of thermohalophilic bacteria producing L-asparaginase enzyme from Wawolesea hot spring. L-asparaginase producing thermohalophilic bacteria from the Wawolesea hot spring are obtained by steps; survey and environmental parameters measurement of Wawolesea hot spring, isolation of bacteria on NA (Nutrient agar) medium and selection of L-asparaginase producing bacteria on M-9 medium. The isolation results showed 52 isolates of thermohalophilic bacteria and 14 isolates of them capable of producing L-asparaginase. Keywords: Thermohalophilic bacteria, L-asparaginase, Wawolesea hot spring
Biodegradasi Pewarna Tekstil Rhodamin B oleh Bakteri Pembentuk Biofilm Sitti Wirdhana Ahmad; Nur Arfa Yanti; Fatimah Alwi Albakar
ALCHEMY Jurnal Penelitian Kimia Vol 17, No 2 (2021): September
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.17.2.49010.151-158

Abstract

Rhodamin B merupakan salah satu pewarna yang paling sering digunakan pada industri tekstil. Limbah pewarna tekstil ini dapat mencemari lingkungan jika masuk ke lingkungan melebihi ambang batas normal. Penggunaan bakteri pembentuk biofilm sebagai agensia pendegradasi Rhodamin B sangat memungkinkan karena mampu meningkatkan degradasi senyawa melalui interaksi antar bakteri sehingga mampu melengkapi proses metabolik. Tujuan penelitian ini adalah untuk mengetahui kemampuan isolat bakteri lokal pembentuk biofilm dalam mendegradasi pewarna tekstil Rhodamin B. Penelitian ini menggunakan 3 isolat bakteri pembentuk biofilm yang diperoleh dari perairan Tanjung Tiram, Kabupaten Konawe Selatan, Sulawesi Tenggara, yaitu isolat bakteri Chromohalobactersp. BfTT2.1.5, Bacillussp. BfTT2.11 dan Vibriosp. BfTT2.14. Kemampuan biodegradasi Rhodamin B oleh isolat bakteri pembentuk biofilm dideteksi menggunakan tiga parameter yaitu dekolorisasi pewarna Rhodamin B menggunakan metode spektrofotometri, kadar CO2 terlarut menggunakan metode titrasi dan total sel bakteri menggunakan metode drop plate. Berdasarkan uji kemampuan dalam mendegradasi pewarna tekstil Rhodamin B, Chromohalobacter sp. BfTT2.1.5 mampu mendegradasi Rhodamin B sebanyak 36,1% lebih tinggi dibanding Bacillus sp. BfTT2.11 (33,24%) dan Vibriosp. BfTT2.14 (16,18%). Ketiga isolat bakteri pembentuk biofilm mampu menggunakan Rhodamin B sebagai sumber karbon untuk pertumbuhannya. Oleh karena itu, isolat bakteri pembentuk biofilm sangat berpotensi digunakan sebagai agensia bioremediasi pewarna tekstil Rhodamin B.Biodegradation of Textile Dye Rhodamine B Using Biofilm-forming Bacteria. Rhodamine B is one of the most widely used dyes in the textile industry. This textile dye waste can pollute the environment if it enters the environment beyond the normal threshold. The use of biofilm-forming bacteria as agents to degrade Rhodamine B is possible because it can increase the degradation of compounds through interactions between bacteria to complete the metabolic process. The purpose of this study was to find out the resistance of local biofilm-forming bacteria isolates to Rhodamine B textile dyes and to find out the ability of local biofilm-forming bacterial isolates in degrading Rhodamine B textile dyes. This study used three isolates of biofilm-producing bacteria obtained from the waters of Tanjung Tiram, Konawe Selatan Regency, Southeast Sulawesi, namely Chromohalobactersp. BfTT2.1.5, Bacillussp. BfTT2.11 dan Vibriosp. BfTT2.14 bacterial isolates. The ability of biofilm-forming bacteria isolates to degrade Rhodamine B was detected using three parameters including decolorization of Rhodamine B dye using a spectrophotometry method, dissolved CO2 levels using the titration method, and total bacterial cells using the drop plate method. The results show that the isolate bacteria Chromohalobacter sp. BfTT2.1.5 is able to degrade Rhodamine B as much as 36.1% higher than Bacillus sp. BfTT2.11 (33.24%) and Vibriosp. BfTT2.14 (16.18%). The three biofilm-forming bacteria isolates were able to use Rhodamine B as a carbon source for growth. Therefore, the local isolates biofilm-forming bacteria are potential to be used as bioremediation agents for Rhodamine B textile dyes.
A Novel Enzyme Biosensor Based on Ag/Reduced Graphene Oxide/Chitosan Membrane with Potentiometer for Pesticide Detection Mashuni Mashuni; Nur Arfa Yanti; Irnawati Irnawati; Fitri Handayani Hamid; Muhammad Jahiding
Molekul Vol 18 No 1 (2023)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2023.18.1.6864

Abstract

Long-term accumulation of pesticides in the environment to human and animal health. Acetylcholinesterase (AChE) biosensors with highly sensitive potentiometer transducers based on the membranes of Ag, reduced graphene oxide (rGO), and chitosan (CS) has been successfully developed. The membrane was made with a composition of 0.5 mM AgNO3, 2.5 mg/mL rGO, and 2% (w/v) CS coated on the surface of the Au electrode. The composition of the membrane with three ratios, namely 1:1:2, 2:1:3, and 3:1:4. Then, membrane Ag/rGO/CS and the enzyme AChE were immobilized on the membrane surface. The prepared biosensor has excellent conductivity, catalytic activity, and biocompatibility attributed to the synergistic effect of Ag/rGO/CS and glutaraldehyde (GTA) as crosslinkers and providing a hydrophilic surface for AChE adhesion. The linear range in biosensors is 1 × 10-8 to 1 µg L-1 with a regression coefficient of 0.9803 for 1:1:2 membrane, 0.9836 for 2:1:3 membrane, and 0.9850 for 3:1:4 membrane. The LOD is about 1 × 10-7 µg L-1 for all membranes. In addition, the biosensor showed good sensitivity, acceptable reproducibility, and stability, having an RSD of less than 5%. This biosensor makes it possible to provide a new and promising tool for analyzing pesticides, especially organophosphates.
Screening of Acetic Acid Bacteria from Pineapple Waste for Bacterial Cellulose Production using Sago Liquid Waste Nur Arfa Yanti; Sitti Wirdhana Ahmad; Sri Ambardini; Nurhayani Haji Muhiddin; La Ode Iman Sulaiman
Biosaintifika: Journal of Biology & Biology Education Vol 9, No 3 (2017): December 2017
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v9i3.10241

Abstract

Bacterial cellulose is a biopolymer produced by fermentation process with the help of bacteria. It has numerous applications in industrial sector with its characteristic as a biodegradable and nontoxic compound in nature. The potential application of BC is limited by its production costs, because BC is produced from expensive culture media. The use of cheap carbon and nutrient sources such as sago liquid waste is an interesting strategy to overcome this limitation. The objective of this study was to obtain the AAB strain that capable to produce bacterial cellulose from sago liquid waste. Isolation of AAB strains was conducted using CARR media and the screening of BC production was performed on Hestrin-Schramm (HS) media with glucose as a carbon source. The strains of AAB then were evaluated for their cellulose-producing capability using sago liquid waste as a substrate. Thirteen strains of AAB producing BC were isolated from pineapple waste (pineapple core and peel) and seven of them were capable to produce BC using sago liquid waste substrate. One of the AAB strains produced a relatively high BC, i.e. isolate LKN6. The result of morphological and biochemical test was proven that the bacteria was Acetobacter xylinum. The result of this study showed that A. xylinum LKN6 can produce a high yield of BC, therefore this strain is potentially useful for its utilization as a starter in bacterial cellulose production. 
PENERAPAN TEKNOLOGI BUDIDAYA PEPAYA CALIFORNIA DI LAHAN PEKARANGAN DESA ABENGGI KECAMATAN LANDONO KABUPATEN KONAWE SELATAN SULAWESI TENGGARA Jamili Jamili; Ida Usman; Nur Arfa Yanti; La Ode Kadidae; Muksar Muksar; Herdi Budiman; La Ode Adi Parman Rudia
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 7, No 4 (2023): December
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v7i4.19643

Abstract

ABSTRAKDesa Abenggi merupakan salah satu desa di kecamatan Landono kabupaten Konawe Selatan yang dahulunya dikenal sebagai sentra pertanian, namun saat ini para petani di desa tersebut beralih menjadi pengrajin batu merah. Perkembangan usaha pembuatan batu merah di desa Abenggi menyebabkan luas lahan pertanian semakin sempit sehingga produktivitas dari sektor pertanian semakin menurun. Kegiatan pengabdian kepada masyarakat terintegrasi KKN-Tematik bertujuan untuk introduksi teknologi budidaya tanaman hortikultura dan memberdayakan masyarakat khususnya pemuda karang taruna untuk meningkatkan pengetahuan dan keterampilan dalam mengelola dan memanfaatkan lahan pekarangan menjadi lahan produktif melalui budidaya pepaya California. Metode yang digunakan adalah partisipasi aktif semua pihak yang terlibat dalam kegiatan ini melalui pelatihan dan pendampingan kepada masyarakat. Kegiatan diawali dengan penyuluhan mengenai teknik budidaya Pepaya Clifornia dan sharing pengalaman dengan kelompok petani lokal serta pelatihan penyiapan bibit unggul dan teknik penanaman pepaya California pada lahan pekarangan. Kegiatan pengabdian yang dilaksanakan dalam bentuk kolaborasi antara dosen dan mahasiswa KKN di desa Abenggi yang dilaksanakan selama satu bulan menunjukkan peningkatan pengetahuan dan kemampuan masyarakat dalam memanfaatkan lahan pekarangan yang tidak terpakai untuk budidaya pepaya California.    Kata kunci: budidaya; pepaya california; lahan pekarangan; desa Abenggi ABSTRACTAbenggi Village is one of the villages in Landono subdistrict, South Konawe district, which was previously known as an agricultural center, but now the farmers in the village have turned into red stone craftsmen. The development of the red stone manufacturing business in Abenggi village has caused the area of agricultural land to become increasingly narrow so that the productivity of the agricultural sector continues to decline. The integrated KKN-Thematic community service activity aims to introduce horticultural plant cultivation technology and empower the community, especially youth organizations, to increase their knowledge and skills in managing and utilizing home garden land into productive land through cultivating California papaya. The method used is the active participation of all parties involved in this activity through training and assistance to the community. The activity began with counseling regarding California papaya cultivation techniques and sharing experiences with local farmer groups as well as training in preparing superior seeds and techniques for planting California papaya in home gardens. Service activities carried out in the form of collaboration between lecturers and KKN students in Abenggi village which were carried out for one month showed an increase in community knowledge and ability in utilizing unused home garden land for cultivating Californian papaya. Keywords: abenggi village; californian papaya; cultivating;  home garden
Characteristics of Biocellulose-Based Edible Film from Sago Wastewater (Metroxylon sago ROTTB.) on Various Glycerol Concentration Nur Arfa Yanti; Sitti Wirdhana Ahmad; La Ode Ahmad Nur Ramadhan; Ardiansyah Ardiansyah; Indrawati Indrawati
agriTECH Vol 44, No 1 (2024)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.75154

Abstract

This study aimed to investigate the the characteristics of biocellulose-based edible films from sago wastewater (Metroxylon sago ROTTB.) by incorporating varying concentrations of glycerol as a plasticizer. The edible films were made through a casting method using biocellulose from sago wastewater as the main ingredient. The treatments included the addition of varying glycerol concentrations to the edible films, namely 0.5, 1, and 1.5% (v/v), with three replications. The observed characteristics included physical (thickness, solubility, and moisture content of the film), mechanical (tensile strength, elongation percentage, and Young’s modulus/modulus of elasticity) with a universal testing machine, chemical structure using FT-IR, and surface morphological characteristics through scanning electron microscopy (SEM). The results showed that increasing the glycerol concentration in the edible films improved the physical characteristics including thickness, solubility, and moisture. However, there was a decrease in the mechanical characteristics, namely tensile strength, elongation percentage, and Young’s modulus of the film. The main components of edible films found were cellulose polymers, as indicated by characteristic functional groups, such as free-OH groups, aliphatic C-H, C-O, and β-1,4-glycosidic bonds. The surface morphology of the biocellulose edible film without glycerol was smoother compared to those containing glycerol. Biocellulose-based edible films from sago wastewater with glycerol concentrations of 0.5% and 1% showed physical-mechanical characteristics that fulfilled the Japanese Industrial Standard (JSI), indicating the potential for application as food packaging. These results indicated that incorporation of glycerol has an effect on the characteristics of the biocellulose-based edible films from sago wastewater.
Aktivitas Antibakteri Kombucha Daun Sirsak (Annona muricata L.) Dengan Konsentrasi Gula Berbeda Yanti, Nur Arfa; Ambardini, Sri; Ardiansyah, Ardiansyah; Marlina, Wa Ode Leni; Cahyanti, Kartika Dwi
BERKALA SAINSTEK Vol 8 No 2 (2020)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v8i2.15968

Abstract

Kombucha daun sirsak merupakan minuman hasil fermentasi simbiosis antara bakteri asam asetat Acetobacter xylinum dan khamir Saccharomyces sp. yang menggunakan bahan baku rebusan daun sirsak. Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri kombucha daun sirsak dengan variasi konsentrasi gula yang berbeda. Konsentrasi gula yang digunakan dalam pembuatan kombucha daun sirsak adalah 10%, 20%, 30% dan 40% (b/v). Pengujian aktivitas antibakteri dilakukan dengan metode difusi sumuran menggunakan bakteri Escherichia coli dan Staphylococcus aureus. Kombucha daun sirsak memiliki aktivitas antibakteri dengan spektrum luas. Kombucha daun sirsak dengan konsentrasi gula 20% memiliki aktivitas antibakteri tertinggi. Dengan demikian, kombucha daun sirsak sangat berpotensi sebagai minuman kesehatan.
Co-Authors A. Nurhana Abdul Mun'im Adi Parman Rudia, La Ode Ahmad, Sitti Wirdhana Alfin Alfin Amirullah -, Amirullah Andi Septiana Ardiansyah Ardiansyah Ardiansyah Ardiansyah Ardiansyah ARDIANSYAH ARDIANSYAH Ardiansyah Ardiansyah Asmawati Munir, Asmawati Asrul Sani Aswan, Muhammad Aswan Budiman, Herdi Cahyanti, Kartika Dwi Dedy Oetama Desty Tryaswaty DIRVAMENA BOER, DIRVAMENA Erni Martani Fahyuddin Fahyuddin, Fahyuddin Fatimah Alwi Albakar Haidin Haidin Haji Muhiddin, Nurhayani Handayani Hamid, Fitri Ida Usman Ida Usman Indrawati Indrawati Irnawati Irnawati Jamaluddin Jamaluddin Jamaluddin Jamaluddin Jamili Jamili Karya, Adi Kurnia Yati La Ode Adi Parman Rudia La Ode Adi Parman Rudia La Ode Ahmad Nur Ramadhan La Ode Iman Sulaiman La Ode Kadidae, La Ode Langkah Sembiring Lili Darlian, Lili M. Jahiding M. Rajab Sutra Mijaya Marlina, Wa Ode Leni Marwati Arji Mashuni Mashuni Mashuni Pallawagau Muhammad Jahiding Muhiddin, Nurhayani Haji Muhsin Muhsin Muhsin Muhsin Muhsin Muhsin Muksar Muksar Muzuni, Muzuni Nurhayani H. Muhiddin Nurhayani H. Muhiddin, Nurhayani H. Nurhayani Haji Muhiddin Prasetya, Wandy Murti Ramlawati, Ramlawati Santi Septiana, Santi Sebastian Margino Sebastian Margino Sitti Wirdhana Ahmad Sitti Wirdhana Ahmad Sri Ambardini Sri Ambardini Sri Noegrohati Sulaiman, La Ode Iman Suleman, Darwis Surachma, Wahyuni Nurul Suriana Suriana Suriana Suriana Suriana Suriana Syah, Muhamad Azwar Taufik Walhidayah Vidya Nur Riska Parakkasi Wa Ode Isra Wa Ode Nanang Trisna Dewi Wa Ode Sitti Nurhaliza Wahyu Ahwarul Asis Wina Rezky