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All Journal Journal of Food and Pharmaceutical Science Journal of Honai Math Akta Kimia Indonesia Widyadari : Jurnal Pendidikan REMIK : Riset dan E-Jurnal Manajemen Informatika Komputer Inferensi Widyadari : Jurnal Pendidikan Parta: Jurnal Pengabdian Kepada Masyarakat Indonesian Community Journal Emasains : Jurnal Edukasi Matematika dan Sains Jurnal Pembelajaran dan Pengembangan Matematika Dharma Jnana Jurnal Ilmiah Ilmu Terapan Universitas Jambi Jurnal Pengabdian Kepada Masyarakat Widya Mahadi International Journal of Application on Economics and Business Journal of Food and Pharmaceutical Sciences Jurnal Pengabdian Masyarakat dan Riset Pendidikan SENEMA
NI PUTU AYU MIRAH MARIATI
Universitas Mahasaraswati Denpasar
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Public Health Social Sciences Other

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Skrining Fitokimia serta Uji Aktivitas Antioksidan Ekstrak Etanol 96% Daun Kelor (Moringa Oleifera, Lam) dengan Metode DPPH (2,2-Difenil-1-Pikrilhidrazil) Ni Luh Putu Junita Kusuma Dewi; Ni Made sukma Sanjiwani; I Gusti Agung Ayu Kusuma Wardani; I Wayan Surya Rahadi; I Wayan Sudiarsa; Ni Putu Ayu Mirah Mariati
Akta Kimia Indonesia Vol 10 No 2 (2025): Desember 2025
Publisher : Chemistry Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/aki.v10i2.8870

Abstract

All parts of the moringa plant, from the roots, seeds, stems to the leaves, are known to have medicinal properties. Its reported uses include anti-inflammatory, antioxidant, antibacterial, antifungal, and diuretic properties. This study focused on examining the presence of secondary metabolites and assessing the antioxidant potential of 96% ethanol extracts of moringa leaves (Moringa oleifera, Lam). The type of research conducted was a laboratory experiment. Moringa leaves were extracted using the Ultrasound-Assisted Extraction (UAE) method with 96% ethanol as the solvent. The resulting extract was then evaporated using a rotary evaporator to obtain a concentrated extract of 34.8 grams. The secondary metabolite content was evaluated through phytochemical screening, and the antioxidant activity was tested using the DPPH (2,2-diphenyl-1-picrylhydrazil) method. The antioxidant strength was determined by calculating the IC₅₀ value, which indicates the percentage of free radical scavenging by the test sample, and by the AAI value, which describes the antioxidant activity index of the extract. Based on the phytochemical screening results, the 96% ethanol concentrated extract of moringa leaves contained secondary metabolite compounds such as saponins, alkaloids, tannins, and steroids. The IC₅₀ value obtained from the extract was 75.428 ppm with an AAI of 0.530. As a comparison, ascorbic acid showed an IC₅₀ of 14.295 ppm and an AAI of 2.798.
Production of Solid Soap from Arabica Coffee Grounds (Coffea arabica L.) with Antibacterial Properties Sanjiwani, Ni Made Sukma; Ariani, Komang; Sunadi Putra, I Made Agus; Rahadi, I Wayan Surya; Mirah Mariati, Ni Putu Ayu; Sudiarsa, I Wayan; Udayani, Ni Nyoman Wahyu
Journal of Food and Pharmaceutical Sciences Vol 14, No 1 (2026): J.Food.Pharm.Sci
Publisher : Integrated Research and Testing Laboratory (LPPT) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.25035

Abstract

Coffee shops are now a favourite hangout for people of all ages, so many entrepreneurs are developing coffee shop businesses because of their high profit potential. Arabica coffee is the type of coffee most commonly used in coffee shops. The coffee-making process produces waste in the form of coffee grounds. Coffee grounds can be used as an ingredient in beauty products such as soap. Soap is the result of saponification, which is a reaction between a base or alkali and fatty acids, which acts as a skin cleanser. This study aims to examine the presence of secondary metabolite compounds in Arabica coffee grounds (Coffea arabica L.), test the physical quality of solid soap made from Arabica coffee grounds (C arabica L.), and assess the soap's ability to inhibit the growth of Staphylococcus aureus bacteria. Arabica coffee grounds were first analysed through qualitative phytochemical screening tests using test tubes and various reagents, then formulated into solid soap with different concentrations, namely 4%, 7%, and 9%. After that, physical properties testing and antibacterial activity evaluation against Staphylococcus aureus were carried out using the disc diffusion method. The research results data were presented using descriptive analysis. The tests revealed that Arabica coffee residues contain secondary metabolites in the form of alkaloids, flavonoids, tannins, saponins, and triterpenoids. Solid soap made from Arabica coffee grounds meets the physical quality test standards in accordance with SNI 3532:2021 and that solid soap made from Arabica coffee grounds with a percentage of 7% (formula 2) and 9% (formula 3) has the potential to inhibit the activity of Staphylococcus aureus bacteria with a moderate category. It can be concluded that Arabica coffee grounds contain secondary metabolites such as alkaloids, flavonoids, tannins, saponins, and triterpenoids. Solid soap with Arabica coffee grounds as an ingredient meets the physical quality requirements in accordance with SNI 3532:2021. Soap formulas with a coffee grounds concentration of 7% (F2) and 9% (F3) have the potential to inhibit the growth of Staphylococcus aureus with moderate efficacy.
ADAPTIVE MULTIRESOLUTION SEMIPARAMETRIC MODEL INTEGRATING TRUNCATED SPLINE AND WAVELET TO BALINESE VILLAGE CREDIT INSTITUTIONS (LPD) Mariati, Ni Putu Ayu Mirah; Sudiarsa, I Wayan; Kumalasari, Putu Diah
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 10 No. 2 (2026): Volume 10, Nomor 2, April 2026
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v10i2.53877

Abstract

In this research, an adaptive multiresolution semiparametric regression approach is proposed to examine the financial performance of Lembaga Perkreditan Desa (LPD) in Bali, Indonesia. In the research, the problem that arises from the inadequacy of traditional regression techniques in accounting for the nonlinear pattern in the data and the financial instability is overcome by introducing the truncated spline and wavelet components into the semiparametric regression analysis.This research utilizes a quantitative method based on secondary financial information collected for 50 LPDs between 2015 and 2024, providing around 500 observations. In order to obtain a more consistent dataset, the purposive sampling method will be used. Return on Assets (ROA) is chosen as the dependent variable, and explanatory variables include interest rates, the number of customers, capital adequacy ratio (CAR), total assets, and non performing loans (NPL). The model will be estimated using the penalized least squares with iterative backfitting estimation technique and will be assessed using the RMSE, MAE, and R² criteria based on Kfold cross validation. As it can be seen from the results, the hybrid model significantly improves the predictive power of traditional linear and spline methods, providing smaller error rates and better fit quality. Spline functions help to determine long term trends, whereas wavelets capture short term effects. This shows that multiresolution modeling increases predictability and interpretability. The model has practical utility for financial management and regulation through adaptive risk management and decision-making processes in microfinance firms.
A Hybrid Semiparametric Regression Approach Using Truncated Spline–Wavelet Estimators for Modeling Nonstationary Financial Performance: Evidence from Village Credit Institutions in Bali Ni Putu Ayu Mirah Mariati; I Wayan Sudiarsa; Putu Diah Kumalasari
Inferensi Vol 9 No 1 (2026)
Publisher : Department of Statistics ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27213862.v9i1.9460

Abstract

This research proposes a novel semiparametric regression framework, integrating truncated spline and wavelet estimators in the modeling of dynamic relationships among CG, IC, and institutional performance in Bali's Village Credit Institutions (LPDs) in Indonesia. The robustness of this estimator is initially tested by a Monte Carlo simulation under various conditions of nonstationarity. From these, it becomes quite clear that the proposed hybrid spline-wavelet model has produced the least MSE (MSE = 0.0076) and greatest coefficient of determination (R² = 0.968). However, the specific penalized estimation method used ensures an appropriate bias variance tradeoff, allowing the proper modeling of global smooth trends and local short term variations. Latent CG and IC constructs obtained through Partial Least Squares Structural Equation Modeling were applied as covariates to the hybrid regression model by using a longitudinal database from 86 LPDs over the period 2016-2023. From the empirical findings, it was manifested that CG and IC significantly influence institutional performance and account for as much as 78% of its variation. The time varying component depicted three phases: reform growth from 2016 to 2019, the pandemic contraction in 2020-2021, and post recovery stabilization in 2022-2023. In general, this hybrid spline-wavelet estimator showed superior precision, decreasing MSE by up to 31% compared to single basis models, and provided a novel methodological contribution to nonstationary financial and econometric modeling.
Production of Solid Soap from Arabica Coffee Grounds (Coffea arabica L.) with Antibacterial Properties Ni Made Sukma Sanjiwani; Komang Ariani; I Made Agus Sunadi Putra; I Wayan Surya Rahadi; Ni Putu Ayu Mirah Mariati; I Wayan Sudiarsa; Ni Nyoman Wahyu Udayani
Journal of Food and Pharmaceutical Sciences Vol 14, No 1 (2026): J.Food.Pharm.Sci
Publisher : Integrated Research and Testing Laboratory (LPPT) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.25035

Abstract

Coffee shops are now a favourite hangout for people of all ages, so many entrepreneurs are developing coffee shop businesses because of their high profit potential. Arabica coffee is the type of coffee most commonly used in coffee shops. The coffee-making process produces waste in the form of coffee grounds. Coffee grounds can be used as an ingredient in beauty products such as soap. Soap is the result of saponification, which is a reaction between a base or alkali and fatty acids, which acts as a skin cleanser. This study aims to examine the presence of secondary metabolite compounds in Arabica coffee grounds (Coffea arabica L.), test the physical quality of solid soap made from Arabica coffee grounds (C arabica L.), and assess the soap's ability to inhibit the growth of Staphylococcus aureus bacteria. Arabica coffee grounds were first analysed through qualitative phytochemical screening tests using test tubes and various reagents, then formulated into solid soap with different concentrations, namely 4%, 7%, and 9%. After that, physical properties testing and antibacterial activity evaluation against Staphylococcus aureus were carried out using the disc diffusion method. The research results data were presented using descriptive analysis. The tests revealed that Arabica coffee residues contain secondary metabolites in the form of alkaloids, flavonoids, tannins, saponins, and triterpenoids. Solid soap made from Arabica coffee grounds meets the physical quality test standards in accordance with SNI 3532:2021 and that solid soap made from Arabica coffee grounds with a percentage of 7% (formula 2) and 9% (formula 3) has the potential to inhibit the activity of Staphylococcus aureus bacteria with a moderate category. It can be concluded that Arabica coffee grounds contain secondary metabolites such as alkaloids, flavonoids, tannins, saponins, and triterpenoids. Solid soap with Arabica coffee grounds as an ingredient meets the physical quality requirements in accordance with SNI 3532:2021. Soap formulas with a coffee grounds concentration of 7% (F2) and 9% (F3) have the potential to inhibit the growth of Staphylococcus aureus with moderate efficacy.
Transformasi Digitalisasi Pendidikan Dasar melalui Penguatan Literasi dan Numerasi serta Pemanfaatan Artificial Intelligence (AI) dalam Proses Belajar Mengajar : Pengabdian Ni Putu Ayu Mirah Mariati; Putu Kepramareni; I Wayan Sudiarsa; Ni Komang Ristya Dewi; Ni Made Debby Nindra Dewi; Komang Ayu Desy Handayani Apsari
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 5 No. 1 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 5 Nomor 1 (Juli 2026 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v5i1.7677

Abstract

Transformasi pendidikan di era digital menjadi kebutuhan penting dalam meningkatkan kualitas pembelajaran di sekolah dasar. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk mendukung peningkatan kualitas pendidikan dan kesehatan peserta didik melalui penguatan literasi, numerasi, pemanfaatan teknologi, serta penerapan perilaku hidup bersih dan sehat di SD Negeri 5 Singapadu Kaler. Metode yang digunakan berupa pelatihan, pendampingan, praktik langsung, dan evaluasi melalui observasi, diskusi, serta pemberian pertanyaan sederhana kepada siswa. Program yang dilaksanakan meliputi pelatihan pendidikan di era digitalisasi bagi guru, pelatihan dan pendampingan literasi, numerasi, Calistung, serta English Fun Learning, penyuluhan kesehatan gigi dan mulut, praktik mencuci tangan yang benar, dan sosialisasi pemilahan sampah. Hasil kegiatan menunjukkan adanya peningkatan perhatian dan antusiasme siswa dalam mengikuti pembelajaran serta bertambahnya pemahaman mengenai literasi, numerasi, kesehatan gigi dan mulut, kebersihan tangan, dan pengelolaan sampah. Guru juga memperoleh pengalaman dalam memanfaatkan media digital dan Artificial Intelligence (AI) untuk mendukung pembelajaran. Kegiatan ini memberikan kontribusi positif dalam menciptakan pembelajaran yang inovatif serta membentuk kesadaran siswa terhadap kesehatan dan lingkungan.
Cultural insights into arithmetic sequences: A study of chinese zodiac and its elements Gusti Ayu Made Arna Putri; Ni Putu Ayu Mirah Mariati; I Ketut Suwija
Journal of Honai Math Vol. 7 No. 3 (2024): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v7i3.670

Abstract

Ethnomathematics examines the intersection of mathematics and cultural practices, revealing how mathematical principles are embedded within societal traditions. Despite extensive research in ethnomathematics, limited studies have explored its application in understanding the Chinese zodiac system and its mathematical foundations. This study addresses this gap by investigating the mathematical structures underlying the determination of the Chinese zodiac and its elements, offering a novel perspective on how arithmetic sequences and modular arithmetic are utilized within this cultural tradition. The study aims to formulate these traditional calculations into a mathematical framework, thereby bridging cultural heritage and mathematical learning. Employing a qualitative research design with an ethnographic approach, data collection was conducted through field observations, in-depth interviews, and thematic analysis to ensure validity, reliability, and representativeness. The findings reveal that the determination of the Chinese zodiac and its elements involves fundamental mathematical operations such as multiplication, addition, and modular arithmetic. This study not only demonstrates the inherent mathematical reasoning within cultural traditions but also contributes to the broader discourse on mathematics education by integrating cultural contexts into learning. Finally, the results have significant implications for mathematics education, offering an alternative pedagogical approach that enhances students’ engagement and comprehension by contextualizing mathematical concepts within real-life cultural practices.
Co-Authors AA Sudharmawan, AA Agung Ari Chandra Wibawa Anik Yuesti Ariani, Komang Budanti, Ni Putu Lion Dewa Ayu Ika Pramitha Dewa Ayu Sri Handani Dinata, Dewa Putu Gede Angga GUSTI AYU MADE ARNA PUTRI Gusti Ngurah Odik Pratama I Gede Cahyadi Putra I Kadek Agus Wirayuda I Ketut Suwija I Ketut Suwija I Made Dedy Ariawan I Made Kesumayasa I Nyoman Kusuma Adnyana Mahaputra I Wayan Sudiarsa I WAYAN SUDIARSA I Wayan Sudiarsa I Wayan Sudiarsa I Wayan Surya Rahadi I Wayan Surya Rahadi I Wayan Surya Rahadi I Wayan, Sudiarsa Kadek Dego Nyampuh Wijaya Satria Sari Kadek Indah Kusuma Dewi Kadek Selpiana Dewi Ketut, Adelia Vinanda Komang Ariani Komang Ayu Desy Handayani Apsari Komang Tri Wahyuni . Laksmi, Ni Nyoman Ari Luh Gde Kusuma Dewi Luh Pande Eka Setiawati Megawati, Fitria Ni Kadek Elis Pitriani Ni Kadek, Refi Mariska Ni Komang Ristya Dewi Ni Luh Putu Junita Kusuma Dewi Ni Luh Putu Sandrya Dewi Ni Luh Putu Suciptawati Ni Made Debby Nindra Dewi Ni Made Novita Artha Ni Made Sukma Sanjiwani Ni Made Sukma Sanjiwani Ni Nyoman Wahyu Udayani Ni Putu Sri Dewi Eka Pujiani Ni Wayan Rustiarini Ni Wayan Trisna Dewi P Purwanto Paramitha, Dewa Ayu Ika Pradnyandari, I Gusti Ayu Agung Ratih Pramana, I Made Wisnu Yoga Praptayani, Luh Anggie Deasy Puguh Santoso Putra, I Made Agus Sunadi Putu Angga Permana Putra Putu Diah Kumalasari Putu Gede Arya Nugraha Putu Kepramareni Rahadi, I Wayan Surya Sanjiwani, Ni Made Sukma Sanjiwani, Ni Made Sukma Sanjiwani Setiawati, Luh Pande Eka Setya Cahyani, I Gusti Ayu Agung Dwita Tristalina, Ni Luh Devi Vinanda, Ketut Adelia Wardani, I Gusti Agung Ayu Kusuma Wirya, Komang Ayu Siva Santhi