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Komparasi Yield Nata De Tomato Dengan Nata De Coco Berdasarkan Lama Fermentasi Gresinta, Efri; Pratiwi, Rosa Dewi; Damayanti, Fitri; Putra, Erik Perdana
IJIS Edu : Indonesian Journal of Integrated Science Education Vol 1, No 2 (2019): July 2019
Publisher : UIN Fatmawati Sukarno Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29300/ijisedu.v1i2.2248

Abstract

ABSTRAK Nata adalah bahan menyerupai gel (agar- agar) yang terapung pada medium yang mengandung gula dan asam hasil bentukan mikroorganisme Acetobacter xylinum. Nata pada dasarnya merupakan selulosa. Apabila dilihat dibawah mikroskop akan tampak sebagai suatu massa fibril tidak beraturan yang menyerupai benang atau kapas. Untuk memperoleh hasil yang baik, media harus disesuaikan dengan syarat tumbuh bakteri tersebut. Untuk menghasilkan nata dengan produksi dan kualitas yang tinggi, sifat fisik-kimia media harus sesuai dengan syarat tumbuh dari bakteri A.xylinum.  Nata de coco tanpa ZA dengan lama fermentasi 10 hari memberikan yield paling baik dengan ketebalan 1,1 cm dan berat 600 gram. Sedangkan pada nata de tomato dengan ZA memberikan yiels terbaik dengan ketebalan0,5 cm pada lama fermentasi 10 hari.Hal inimenunjukkan bahwa ketebalan nata de coco dengan nata de tomato berbeda. Hal inidipengaruhi oleh variasi substrat dan komposisi bahan. Pada nata de tomato, ekstrak nata tomato dicampurkan dengan air dengan perbandingan 1:4. Kemungkinan hal inilah yang menyebabkan yield nata de tomato dan coco berbeda. Kandungan nutient atau glukosa pada sari buah tomat lebih sedikit dibandingkan dengan kandungan glukosa pada nata de coco.  Hasil uji organoleptik menyimpulkan bahwa : 1) Panelis lebih menyukai nata dengan tekstur kenyal yang diperolehdari nata decoco pada hari ke-10, 2) Panelis lebih menyukai nata de coco maupun tomatodengan aroma tidak asamkarena pada saat dipanen, nata  dicuci lalu direbus selama 20 menit pada suhu 100°C sehingga aroma asam pada natahilang pada saat pencucian danperebusan.3) Panelis lebih menyukai natadengan rasa enak karena perbedaan lama fermentasi menghasilkan citarasa nata enak yang relatif sama.Kata kunci : nata de tomato, nata de coco, lama fermentasi. ABSTRACTNata is a gel-like material (gelatin) floating on a medium containing sugar and acid formed by microorganisms Acetobacter xylinum. Nata is basically cellulose. When seen under a microscope it will appear as an irregular fibril mass that resembles thread or cotton. To get good results, the media must be adjusted to the conditions for the growth of these bacteria. To produce nata with high production and quality, the physical-chemical properties of the media must comply with the growing requirements of A.xylinum bacteria. Nata de coco without ZA with 10 days fermentation gives the best yield with a thickness of 1.1 cm and weighs 600 grams. While in tomato with ZA, the best yiels were 0.5 cm thick at 10 days fermentation time. This shows that the thickness of nata de coco with tomatoes is different. This is influenced by variations in substrate and material composition. In nata de tomato, nata tomato extract is mixed with water in a ratio of 1: 4. This is probably the reason why the yield of tomato and coco is different. Nutient or glucose content in tomato juice is less than the glucose content in nata de coco. The organoleptic test results concluded that: 1) Panelists preferred nata with chewy texture obtained from the nata decoco on the 10th day, 2) Panelists preferred nata de coco and tomatoes with non-sour aroma because when harvested, the nata was washed and boiled for 20 minutes at 100 ° C so that the aroma of acid in the nata disappears during washing and boiling. 3) Panelists prefer nata with good taste because the differences in fermentation time produce relatively similar tastes of nata.Key words: nata de coco, nata de tomato, fermentation time
“Avicom” Lomba Kreativitas Sains: Meningkatkan Keterampilan Proses Sains Siswa Pada Kompetensi Mengamati Melakukan Percobaan dan Komunikasi Musliman, Acep; Damayanti, Fitri
Proceeding Seminar Nasional IPA 2022
Publisher : LPPM UNNES

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Abstract

Pendekatan ilmiah menjadi pilihan terbaik dalam proses pembelajaran sains, dan Keterampilan Proses Sains (KPS) menjadi prasyarat sehingga pembelajaran dengan pendekatan ini dapat berjalan. Kajian ini bertujuan untuk mengetahui dampak peningkatan KPS siswa melalui kegiatan lomba karya ilmiah siswa “Avicom” yang diselenggarakan di SMA Avicenna Cinere dengan diikuti oleh 9 kelompok siswa SMP dari berbagai daerah di Indonesia. Metode kajian kualitatif yaitu mereview aktivitas peserta kegiatan lomba antara lain; mengamati permasalahan, merancang proyek percobaan sebagai karya, dan menyampaikan produk karya ilmiah. Ketiga aktivitas yang direview merupakan keterampilan dasar ilmiah sebagai kemampuan dasar siswa dalam melakukan kerja ilmiah. Hasilnya, terdapat bukti bahwa peserta lomba memiliki kompetensi KPS pada tiga keterampilan dasar yang diamati ditunjukan dalam bentuk produk karya ilmiah dan presentasi.
Analysis of the Behavioral Aspects of Project Planning and Budgeting at CV Karya Jaya in Surabaya Damayanti, Fitri; Trisnaningsih, Sri
Journal of World Science Vol. 2 No. 4 (2023): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v2i1.127

Abstract

The success of a budget plan lies in the behavior of the manager or head of the company. CV Karya Jaya is an expansion of a business engaged in construction, such as repairing plumbing (PDAM partners), paving roads, and other construction matters, so that for the aspect of budgeting with capital that is already owned from the profits of several types of ongoing businesses. This study aims to analyze behavioral factors in project planning and budgeting. In addition to knowing the role of budgeting that impacts the behavior of leaders to make decisions and commitments, to increase customer satisfaction, job certainty for employees, and have a good image of partner companies. This study uses a descriptive qualitative method. Sources of data that have been obtained from this study are primary data and secondary data. Civil project services on maintenance in Putat Surabaya get a loss of IDR 1,034,000 because the total amount of the project is IDR 150,649,000. Civil pump house repair project services for three months of work in Surabaya. In the civil construction of the pump house, it suffered a loss of IDR 156,870,900. The Blower Ngagel I civil project experienced a profit of IDR 11,623,500, but payments from vendors for six months will be paid in December 2022. All the work was carried out correctly and according to the completion target, but several projects experienced losses due to improper budget planning.
Deep Learning-Based Inpainting for Reconstructing Severely Damaged Handwritten Javanese Characters Damayanti, Fitri; Yuniarno , Eko Mulyanto; Suprapto , Yoyon Kusnendar
Register: Jurnal Ilmiah Teknologi Sistem Informasi Vol 10 No 2 (2024): July
Publisher : Information Systems - Universitas Pesantren Tinggi Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26594/register.v10i2.4929

Abstract

Long-term storage at museums can damage ancient Javanese manuscripts; for instance, temperature changes and other factors may cause parts of the script to disappear. The Javanese script exhibits similarities among its letters, making the reconstruction process challenging, particularly when dealing with severe damage to the script's characteristic areas. To address this issue, we conducted a character painting technique that utilizes deep learning architecture, specifically the convolutional autoencoder, partial convolutional neural network, UNet, and ResUNet. The dataset contains 12,000 handwritten Javanese characters. We evaluated the restoration of missing characters using SSIM and PSNR metrics. The ResUNet achieves the best performance compared to other methods, with an SSIM value of 0.9319 and a PSNR value of 18.9507 dB. According to this study, the ResUNet models can reconstruct Javanese manuscripts with strong performance, offering an alternative solution to ensure the preservation and accessibility of these valuable historical documents for future generations.
Tinjauan Kritis Pembelajaran Kontekstual: Analisis terhadap Riset-Riset Pembelajaran IPA Musliman, Acep; Damayanti, Fitri
SCIENING : Science Learning Journal Vol. 5 No. 1: Juni 2024
Publisher : Jurusan Pendidikan IPA FMIPAK Universitas Negeri Manado

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Abstract

Dilakukan kajian literatur pada hasil riset pembelajaran IPA yang menerapkan pendekatan pembelajaran kontekstual dalam meningkatkan mutu hasil belajar. Penelitan dilakukan untuk mengetahui tingkat efektivitas pendekatan pembelajaran kontekstual yang dilakukan guru dalam menyelesaikan permasalahan permasalahan dalam pembelajaran. Rendahnya capaian hasil pembelajaran IPA yang disebabkan peserta didik kurang berminat, kurang aktif dalam belajar, serta rendahnya minat dan motivasi peserta didik menjadi masalah yang paling umum dalam pembelajaran IPA. Sebanyak 70 artikel yang dikelompokan pada katagori jenis penelitian dan tingkat satuan pendidikan, dianalisis pada bagian latar belakang penelitian, penggunaan pembelajaran kontekstual dan hasil penelitian. Kajian ini menggunakan metode campuran kuantitatif kualitatif (explanatory sequential mixed methods) dengan mendeskripsikan hasil analisis data artikel penelitian. Hasil analisis berdasarkan kelompok penelitian PTK dan Eksperimen Semu, menunjukkan bahwa pembelajaran kontekstual berhasil menyelesaikan permasalahan pembelajaran yang ditunjukkan pada capaian hasil belajar peserta didik yang mengalami peningkatan secara signifikankan.
Pengaruh Insentif Pajak, Kepercayaan Pada Otoritas Pajak, dan Keadilan Pajak Terhadap Kepatuhan Wajib Pajak UMKM Orang Pribadi dengan Tax Morale Sebagai Variabel Moderasi Damayanti, Fitri; Jibran, Mohammad Fadel
Akuntabilitas Vol. 17 No. 2 (2024): Vol. 17, No. 2 (2024)
Publisher : Akuntabilitas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/akt.v17i2.44861

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh insentif pajak, kepercayaan pada otoritas pajak dan keadilan pajak terhadap kepatuhan wajib pajak UMKM orang pribadi dengan dimoderasi oleh tax morale. Populasi penelitian ini adalah wajib pajak UMKM orang pribadi yang berdomisili di DKI Jakarta dan memiliki NPWP dengan total 102 responden yang sesuai kriteria. Data dipilih dengan menggunakan teknik purposive sampling. Penelitian ini menggunakan metode analisis regresi linear berganda dan analisis regresi moderasi. Hasil penelitian ini menunjukkan bahwa insentif pajak, keadilan pajak, kepercayaan pada otoritas pajak berpengaruh positif terhadap kepatuhan wajib pajak UMKM orang pribadi. Tax morale memperkuat pengaruh insentif pajak terhadap kepatuhan wajib pajak UMKM orang pribadi, sedangkan tax morale tidak mampu memoderasi pengaruh kepercayaan pada otoritas pajak dan keadilan pajak terhadap kepatuhan wajib pajak UMKM orang pribadi.
Implementasi Problem-Based Learning Untuk Mengembangkan Berpikir Kritis dan Pemecahan Masalah Sains Siswa Abad ke-21 : Penelitian Siti Nurul Qomariyah; Sulis Supartini; Anas Ansoriah; Fitri Minawati; Margaretta Serevina Hutagalung; Suharno, Suharno; Taufik Jatnika Permana; Damayanti, Fitri
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.3520

Abstract

Penelitian ini bertujuan untuk menganalisis implementasi Problem-Based Learning (PBL) dalam pengembangan kemampuan berpikir kritis dan pemecahan masalah siswa pada pembelajaran sains abad ke-21. Metode penelitian yang digunakan adalah studi literatur terhadap 21 artikel ilmiah nasional dan internasional terakreditasi yang relevan dengan topik penelitian. Analisis dilakukan secara sistematis menggunakan metode analisis isi untuk mengidentifikasi efektivitas, strategi penerapan, serta tantangan PBL dalam konteks pembelajaran sains modern. Hasil kajian menunjukkan bahwa PBL secara konsisten berpengaruh positif terhadap peningkatan kemampuan berpikir kritis, pemecahan masalah, serta kompetensi abad ke-21 yang mencakup Critical Thinking, Creativity, Collaboration, dan Communication (4C). Integrasi PBL dengan pendekatan lain seperti STEM, Mind Mapping, dan Blended Learning terbukti memperkuat dampaknya terhadap motivasi belajar, kreativitas, dan literasi sains siswa. Selain itu, PBL mendorong pembelajaran yang berpusat pada siswa, meningkatkan kerja sama kelompok, dan membentuk kebiasaan reflektif. Namun, keberhasilan penerapannya sangat dipengaruhi oleh kesiapan guru, dukungan fasilitas, dan waktu pelaksanaan di kelas. Secara keseluruhan, PBL merupakan pendekatan pembelajaran yang efektif dan relevan dengan tuntutan abad ke-21, karena mampu membentuk peserta didik yang berpikir kritis, kreatif, kolaboratif, komunikatif, serta adaptif terhadap perkembangan ilmu pengetahuan dan teknologi
Implementasi Asesmen Autentik Berbasis Kompetensi dalam Pembelajaran Abad Ke-21: Penelitian Kalyana, Dyani; Hayatunnufus, Gina; Fauziah, Farrah Hany; Wijaya, Hari Rachmat; Haryani, Rini; Sudarmaji, Sudarmaji; Sumarmia, Sumarmia; Larashati, Larashati; Damayanti, Fitri
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.3665

Abstract

Authentic assessment based on competency has become an essential component of 21st-century learning, as it enables comprehensive evaluation of students’ cognitive, affective, and psychomotor competencies. This study aims to analyze the implementation of authentic assessment through a literature review of 24 published articles examining its practices, effectiveness, and challenges across various educational levels. The analysis shows that authentic assessment positively contributes to student engagement, higher-order thinking skills (HOTS), and the development of collaboration, communication, creativity, and character. The assessment instruments developed in these studies are reported to be valid and reliable for measuring holistic competencies. However, several challenges persist, particularly regarding teachers’ ability to design rubrics, formulate performance indicators, and assess affective and psycho motor domains objectively. Limited time, administrative workload, and adaptation to online learning further hinder its implementation. This review highlights the need for strengthening teacher capacity, providing standardized assessment instruments, and ensuring policy support to optimize the sustainable application of authentic assessment in 21st-century learning.
PEMBUATAN GAPURA TPU DESA PEKAWATAN, SEBAGAI UPAYA PEMBANGUNAN DESA SRIMINOSARI, KEC. LABUAN MARINGGAI Ulyat, Ulyatun Fatonah; Dafa Fahrezi, Nafian; Vivian Salsa Bila, Anandita; Damayanti, Fitri; Lana Zulkarnain, Ratna; Pramana Syah Putra, Arlyan; Alfarez, Faruq; Gilang Patria, Asta; Tridata, Aldrin
Jurnal Akademik Pengabdian Masyarakat Ichsan Sidrap Vol 1 No 2 (2024): November
Publisher : Universitas Ichsan Sidenreng Rappang

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Abstract

The construction of a TPU gate in Pekawatan Village, Labuan Maringgai District, is a strategic effort in developing the infrastructure of Sriminosari Village. This project aims to improve the accessibility and aesthetics of the Public Cemetery (TPU) area, while strengthening the social cohesion of the community through a participatory process involving deliberation and mutual cooperation. The results of the gate construction not only provide a significant physical impact, but also strengthen residents' sense of ownership of public facilities. Apart from that, this project plays a role in increasing solidarity between residents, improving communication between social groups, and opening up economic opportunities around the TPU area. The creation of this gate has become a symbol of the success of sustainable development supported by active community participation.
Extraction Model for Musical Elements of Javanese Traditional Songs from Gendhing Music Sheets based on Kepatihan Notation Kurniawati, Arik; Arrova Dewi, Deshinta; Satria Erlangga, Bima; Damayanti, Fitri; Oktavia Suzanti, Ika
JOIV : International Journal on Informatics Visualization Vol 9, No 6 (2025)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62527/joiv.9.6.3573

Abstract

Traditional Javanese gamelan music, particularly its songs, is an integral part of Indonesian culture and identity. However, gamelan music notation remains manual, disorganized, and difficult to access. This poses challenges to balanced education, community sustainability, and digital preservation. This study introduces an automated data extraction and gamelan notation transcription process for transforming Javanese gamelan notation in PDF format into a structured CSV. The innovation process involves parsing PDF-based Kepatihan notation, symbol-to-number conversion, musical section recognition (e.g., buka, lagu, suwuk), and organization in gatra units—each of four melodic notes. The process produces detailed metadata, such as song title, tuning (laras), mode (pathet), and gendhing classification. To evaluate extraction accuracy, the validation period also included a comparison of the converted gatra with the original PDF. The results show that the system achieved 100% accuracy on a sample size of 10 gatra and reduced processing time by 97.5% compared with manual methods. The completed dataset consists of 31 gendhing songs, providing an analyzable and scalable collection for future musicological research and education training. This study contributes to the fields of Music Information Retrieval (MIR) and Digital Humanities by enabling the efficient, standardized digitization of historical music notation. This structured dataset empowers the development of automatic notation generators, making inclusive learning tools accessible to novices and facilitating the documentation of cultural heritage through technology.
Co-Authors Aan Risdiana Abdilqoyyim, Fanky Abdul Rahim Acep Musliman Adawiyah, Asyifa Robiatul Alfarez, Faruq Alfirah, Afifah Anas Ansoriah Andri Indrawan Apriliana, Teguh Firmansyah Ariadi, Deni Arik Kurniawati Arrova Dewi, Deshinta A’ini, Zakiyah Fithah Christiana, Zubaidah Dafa Fahrezi, Nafian Dessy Herlisnawati Dewi Taurusyanti Doni Abdul Fatah Efri Gresinta Eko Adi Putro Fatria, Salwina Sakina Fauziah, Farrah Hany Firdaus Firdaus Fitri Minawati G. Gunawan Gilang Patria, Asta Giry Marhento Haryani, Rini Hasbullah Hasbullah Hayatunnufus, Gina Hera Heru Sri Suryanti Hidayat, Rizky Ilham Hymawati, Hymawati I Ketut Adi Purnawan Idang Nurodin Ika Mariska Ika Roostika Jibran, Mohammad Fadel Jupriadi, Jupriadi Kalyana, Dyani Khoiroh, Nisaul Kristiningrum, Kristiningrum Kusharisupeni Kusharisupeni Lana Zulkarnain, Ratna Larashati, Larashati Lintang Ratri Rahmiaji Marda’is Margaretta Serevina Hutagalung Mashitapasha, Revica Maspupah Mohammad Syarief, Mohammad MUHAMMAD MANSUR Mutiara, Annisa Nasfianti, Iis Naufal Azmi Verdikha Noer, Shafa Nuraeni, Dede Eni Nurul Aisyah Nurul Isnaeni Ochtora, Danesty Oktavia Suzanti, Ika Permana, Yohan Pramana Syah Putra, Arlyan Prasetyo, Nanda David Pratiwi, Rosa Dewi Priyonggo Purba, Christina Putra, Erik Perdana Ramadani, Nur Shahara Safitri, Vivi Hariyanti Samsurianto Satria Erlangga, Bima Sefudin, Akhmad Setyo B, Gideon Simanullang, Enjel Triastuti Siti Nurjanah Siti Nurul Qomariyah Sri Susanti Sri Trisnaningsih SUDARMAJI SUDARMAJI Sudrajat, Mahdi Suharno Suharno Suharsono Suharsono Sulis Supartini Sumarmia, Sumarmia Suprapto , Yoyon Kusnendar Supriyatin, Titin Syarkiah, Arni Tarwana, Wawan Taufik Jatnika Permana Titiek Hendriama, Titiek Tridahus Susanto, Tridahus Tridata, Aldrin Triyono Lukmantoro Ulyat, Ulyatun Fatonah Utami, Cintara Prili Widya Vivian Salsa Bila, Anandita Wahyudi Setiawan Wahyudi, Muhamad Machrus Ali Wardani, Jesica Alyssa Wibowo, Kukuh Cokro Wijaya, Hari Rachmat Yeni, Dede Yin, Mei Yudi Nugraha Bahar Yuniarno , Eko Mulyanto Yunisa, Tiara Zafirah, Rayfha Zania, Firda