Article Per Year (5 Year)
p-Index From 2021 - 2026
8.057
P-Index
This Author published in this journals
All Journal Jurnal Penelitian dan Evaluasi Pendidikan IPTEK The Journal for Technology and Science Alchemy : Journal of Chemistry Pharmaciana: Jurnal Kefarmasian Abdimas CHEMICA Jurnal Teknik Kimia agriTECH EduChemia: Jurnal Kimia dan Pendidikan Journal Of Chemical Process Engineering (JCPE) Syntax Literate: Jurnal Ilmiah Indonesia Indonesian Food Science and TechnologyJournal Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia AGROSCIENCE TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian Food Science and Technology Journal (Foodscitech) Jurnal Teknologi Jurnal Optimalisasi ASEAN Journal of Chemical Engineering Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Jurnal Karya Abdi Bioscientist : Jurnal Ilmiah Biologi Dedikasi: Jurnal Pengabdian kepada Masyarakat Journal of Community Practice and Social Welfare (JaCiPS) Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Jurnal Locus Penelitian dan Pengabdian Pro-Stek JAPI: Jurnal Akses Pengabdian Indonesia Sainsbertek Jurnal Ilmiah Sains & Teknologi Journal of Global Pharma Technology Eduvest - Journal of Universal Studies Indonesian Journal of Food Technology Composite Journal Of Chemical Process Engineering NAWASENA: Journal of Community Service Jurnal Sains dan Teknologi Pangan
Yuyun Yuniati
Department Of Chemistry, Ma Chung University, Malang 65151, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Veterinary Other

Published : 70 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 70 Documents
Search

 3   4   5   6   7 
Studi Pustaka: Ekstraksi Pewarna Alami dari Tanaman di Indonesia Yuniati, Yuyun; Handarini, Kejora; Rahmiati, Retnani
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i1.11339

Abstract

Dyes have played an important role in human life, therefore the production of dyes has continued to increase from the past until now. The use of synthetic chemical dyes has apparently caused various health and environmental problems, this is what has triggered the return to use of natural dyes. Through advances in science and technology, research related to the extraction of natural dyes in Indonesia was carried out until 31 scientific reports were found that studied this matter in the last ten years. Literature studies with secondary data have summarized the novelty of research related to the extraction of natural dyes from plants, where currently flower objects are of great interest for observational studies. Various types of flowers have potential pigments that can be converted into natural dyes. The maceration extraction method is still the choice for extracting plant bioactive substances. Recently a study on the extraction of dyes from fruit peel waste was also carried out. It is hoped that the development of information related to the extraction of natural dyes will have more opportunities to be applied in various aspects.
Pengaruh Konsentrasi Sodium Alginat Terhadap Boba Kulit Buah Naga (Hylocereus Polyhizus) Menggunakan Teknik Spherifikasi Dasar Ningrum, Cicik Agustia; Yuniati, Yuyun; Sucahyo, Bambang Sigit
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.14179

Abstract

Usually, dragon fruit is only used for the flesh while the skin is discarded and considered waste. Dragon fruit peel contains vitamin C, vitamin E, vitamin A, alkaloids, terpenoids, flavonoids, thiamine niacin, pyridoxine, cobalamin, phenolics, carotene and phytoalbumin. 30-35% of dragon fruit is the skin of the fruit but it is often just thrown away as trash. Dragon fruit skin contains quite a lot of the natural dye anthocyanin. This research aims to determine the effect of pH, water content, vitamin C, and organoleptics on the of dragon fruit skin boba using the basic spherificatiom technique. This research used laboratory experimental methods using a completely randomized design (CRD) with varying concentrations of sodium alginate (1gr,1,1gr,1,2gr,1,3gr, dan 1,4gr) calcium lactate (5 grams) for each treatment. This was repeated 3 times, the analyzes tested in this study were pH, viscosity and organoleptic tests. The parametric data obtained were analyzed using analysis of variance (ANOVA) using statistical product and service solution (SPSS) version 23 data and for non-parametric data using Kruskal Wallis.
Lama Fermentasi dan Konsentrasi Bunga Chamomile (Matricarica recutita) Terhadap Mutu Fisikokimia dan Organoleptik Teh Kombucha Fahilah, Khoiriyah; Hartati, Fadjar Kurnia; Yuniati, Yuyun
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.14182

Abstract

Kombucha is a health drink that has good benefits for the body, contains polyphenols and is antioxidant so it is said to be a functional drink. Chamomile positively contains flavonoid compounds, polyphenols, and tannins as antioxidants to ward off free radicals. The purpose of this study was to determine the effect of fermentation duration and concentration of chamomile flowers (Matricaria recutita) to produce kombucha drink with the best physicochemical and organoleptic quality. This study used a one-factorial Completely Randomized Design consisting of four treatments of a combination of fermentation duration (5 days and 7 days) and chamomile concentration (0.5% and 1%), each treatment was carried out three times. Parameters analyzed included color (L*a*b*), pH, antioxidant activity and organoleptic (taste, color, and aroma). The results showed that the length of fermentation and chamomile concentration had a significant effect on color (L*a*b*), pH, antioxidant activity and organoleptic parameters (taste and color). On organoleptic parameters (aroma) did not have a significant effect. The best treatment with antioxidant activity value of 67.09% in treatment F2C2 (7 days fermentation time and 1% chamomile concentration). The highest organoleptic quality was in the F1C1 treatment (5 days fermentation and 0,5% chamomile concentration).
Effect of Withering and Drying Process of Cemara Udang (Casuarina equisetifolia) Leaves to Functional Herbal Tea Handarini, Kejora; Rahmiati, Retnani; Yuniati, Yuyun
agriTECH Vol 45, No 1 (2025)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.94351

Abstract

The industry is intensively producing health product from herbal plants to combat free radicals and prevent the potential of cancer disease in the body. In Indonesia, Cemara Udang (Casuarina equisetifolia) leaves have been investigated as herbal tea product for antioxidant purposes as a free radical scavenger from various plants. This herbal tea requires significant attention during processing to produce a quality final product. Therefore, this research aimed to examine the effect of setting withering times of 14 and 16 hours, along with a drying temperature of 40 and 50 °C on cemara udang leaves. Product quality was evaluated based on the chemical components and nutritional characteristics of tea, such as moisture content, pH, antioxidant activity, total phenolic content, and vitamin C, as well as sensory aspects. The evaluation was carried out based on the degree of preference for color, aroma, and taste. Fresh cemara udang samples had 46.57% moisture content, pH 7.05, 131.53 µg/mL IC50 value, 1.53 mg/100 g total phenolic, and 43.46% vitamin C. Based on the degree of preference, color, flavor, and taste hedonic score had 3.11, 2.57, and 1.94 out of 7.00, respectively. Tea of cemara udang that was withered for 16 hours and dried at 50°C showed good quality stability with favorable sensory attributes. This varies significantly compared to the control, with 10.32% moisture content, pH 7.04, 137.94 µg/mL IC50 value, 1.2 mg/100 g total phenolic, and 29.26% vitamin C. Furthermore, color, flavor, and taste hedonic scores had 6.37, 6.03, and 6.27 out of 7.00, respectively.
UJI MUTU KIMIA DAN ORGANOLEPTIK BISKUIT MP-ASI BEBAS GLUTEN DARI TEPUNG AMPAS SUSU KEDELAI (Glycine max) Melinda, Anna; Hartati, Fadjar Kurnia; Yuniati, Yuyun
Pro-STek Vol 6, No 1 (2024): June
Publisher : Fakultas Sains Terapan Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/prs.v6i1.4088

Abstract

Biskuit MP-ASI merupakan makanan ringan khusus untuk bayi yang sedang dalam tahap pertumbuhan. Pengembangan biskuit MP-ASI banyak dilakukan terutama dalam mengganti bahan tepung terigu dengan tepung dari pangan lokal yang tidak mengandung gluten, salah satunya yaitu tepung ampas susu kedelai. Tepung ampas susu kedelai mengandung protein yang tinggi dari pada tepung terigu. Tepung ampas susu kedelai kaya akan protein yang di mana protein baik untuk pertumbuhan bayi dan anak untuk mencegah stunting, salah satu produk pangan yang dapat dikembangkan dari tepung ampas susu kedelai adalah biskuit MP-ASI. Tujuan penelitian ini adalah untuk menentukan proporsi tepung ampas susu kedelai, tepung maizena dan susu bubuk dengan level berbeda yang dapat menghasilkan biskuit MP-ASI dengan mutu kimia dan organoleptik yang terbaik. Disain penelitian ini mengunakan Rancangan Acak Lengkap (RAL) dengan perlakuan yaitu proporsi tepung ampas susu kedelai, tepung maizena, dan susu bubuk yang terdiri dari 4 level, yaitu; level 1 (100% : 0% : 0%) , level 2 (90% : 5% : 5%), level 3 (80% : 15% : 5%) level 4 (70% : 20% : 10%). Berdasarkan uji efektivitas, perlakuan P3 (proporsi tepung ampas susu kedelai 80%, tepung maizena 15% dan susu bubuk 5%) merupakan perlakuan terbaik dengan nilai hasil/NH tertinggi yaitu 0,5571 dengan spesifikasi kadar protein = 9,8976%, kadar air = 5,2639%, kadar serat kasar = 4,9779%, rasa = 4,0111 (suka), kerenyahan = 3,4888 (biasa), aroma = 3,8777 (biasa) dan warna = 3,8333 (biasa).
Turbidity, Total Suspendid Solid, Chemical Oxygen Demand Dipengaruhi Oleh Jumlah Koagulan, pH Dan Kecepatan Pengadukan Pada Proses Koagulasi Dalam Pengolahan Air Limbah Rasmito, Agung; Fais, Moh. Ainul; Yuniati, Yuyun; Sutejo, Bambang
Jurnal Teknologi Vol. 12 No. 2 (2025): Jurnal Teknologi
Publisher : Universitas Jayabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31479/jtek.v12i1.390

Abstract

Abstrak Pengolahan air limbah yang menggunakan proses koagulasi flokulasi hasilnya sangat dipengaruhi oleh kondisi operasi proses koagulasi. Antara lain, pH, kecepatan pengadukan dan jumlah koagulan yang ditambahkan. Pada penelitian ini ditekankan pada proses koagulasinya. Tujuan dari penelitian ini untuk mencari kondisi operasi proses koagulasi yang menghasilkan kadar turbidity yang rendah, kadar total suspended solid yang rendah, juga kadar chemical oxygen yang rendah. Variabel dalam penelitian ini yaitu, pH : 7; 7,5; 8; 8,5; 9; 9,5. Kecepatan pengadukan pada proses koagulasi (rpm) : 100, 200, 300. Jumlah koagulan yang ditambahkan (ml) : 5, 10, 15. Kesimpulan dari penelitian ini, yaitu kadar terendah untuk turbidiy sebesar 18 NTU, kadar terendah untuk total suspended solid sebesar 6 ppm dan kadar terendah untuk chemical oxygen demand 3620 ppm. Kondisi optimal tersebut diperoleh pada proses flokulasi dengan penambahan koagulan 15 ml, kecepatan pengadukan 300 rpm dan pH 9,5. Keywords : Chemical oxygen demand, Flokulasi, turbidity, Toagulasi, Total suspended solid
Perbandingan jus kundur (Benincasa hispida) dan penggunaan gelatin terhadap mutu kimia dan organoleptik (jelly drink) Farrell Ricardo Tirtasatya; Bambang Sigit Sucahyo; Yuyun Yuniati
Composite : Jurnal Ilmu Pertanian Vol 7 No 1 (2025): Februari
Publisher : University of Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/composite.v7i1.847

Abstract

Kundur (Benincasa hispida) juice has health benefits and rich nutritional and medicinal properties, making it a potential ingredient for high-quality jelly drinks. This study aims to determine the optimal formulation of kundur juice and gelatin using a completely randomized design (CRD) with four treatments: P1 (80% kundur juice, 0.5% gelatin), P2 (80%, 0.7%), P3 (100%, 0.5%), and P4 (100%, 0.7%), and three repetitions. Parameters observed included vitamin C content, crude fiber, viscosity, and organoleptic attributes (taste, texture, color). The results showed that the best formulation was P1, with the highest acceptance of taste (3.7067), texture (3.5733), and color (3.6400), although the levels of vitamin C (4.64) and crude fiber (2.48) were lower than P4. Formulation P1 was considered the most suitable.
Empowering Smallholder Dairy Farmers through Product Diversification: A Sustainable Value-Addition Strategy in Pasuruan Sholihah, Dewi Deniaty; Ramadhani, Mirza; Yuniati, Yuyun; Adelia, Kezia; Perwirani, Nindya Ayu Leonita
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 9 No. 3 (2025)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v9i3.864

Abstract

This condition impacts the low added value received and consequently affects the farmers’ welfare. This community service activity aims to empower farmers by diversifying fresh milk products into mozzarella cheese and yoghurt, thereby increasing added value. The method used is Participatory Rural Appraisal (PRA), which emphasizes active participation of partners in the process of problem identification, needs analysis, and solution formulation. The stages of activities include the socialization of business feasibility and marketing of processed milk products, technical training in mozzarella cheese and yogurt production, mentoring, and production monitoring. The results show that farmers are able to produce both products with good quality standards and improve their skills in processing and packaging. In addition, there is an increased awareness among farmers of the importance of product innovation in maintaining business sustainability. This activity also opens new marketing opportunities through local and digital networks, thereby contributing to the increase of farmers’ income. Contribution to Sustainable Development Goals (SDGs):SDG 1: No PovertySDG 8: Decent Work and Economic GrowthSDG 12: Responsible consumption and production
Pengaruh Konsentrasi Sari Buah Pala (Myristica Fragrans) dan Teh Hijau (Camellia Sinensis) terhadap Aktivitas Antioksidan Kombucha Tahir, Faleria Christin; Yuniati, Yuyun; Hartati, Fadjar Kurnia
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v11i3.63992

Abstract

Kombucha merupakan minuman fermentasi berbasis teh yang dihasilkan melalui simbiosis bakteri dan khamir (SCOBY) dan dikenal memiliki aktivitas antioksidan. Pemanfaatan daging buah pala (Myristica fragrans) sebagai bahan tambahan berpotensi meningkatkan nilai fungsional kombucha karena kandungan senyawa fenolik, flavonoid, dan vitamin C. Penelitian ini bertujuan untuk menganalisis pengaruh konsentrasi sari buah pala dan teh hijau (Camellia sinensis) terhadap aktivitas antioksidan, pH, total asam tertitrasi (TAT), dan karakteristik organoleptik kombucha. Penelitian menggunakan Rancangan Acak Lengkap (RAL) satu faktor, yaitu kombinasi konsentrasi sari buah pala dan teh hijau dengan lima taraf perlakuan: A1 (0%:100%), A2 (5%:95%), A3 (10%:90%), A4 (20%:80%), dan A5 (30%:70%) (v/v). Fermentasi dilakukan selama 8 hari pada suhu ruang. Aktivitas antioksidan dianalisis menggunakan metode DPPH (IC₅₀), sedangkan data parametrik dianalisis dengan ANOVA dan data nonparametrik dengan uji Kruskal–Wallis (α = 5%). Hasil penelitian menunjukkan bahwa konsentrasi sari buah pala berpengaruh nyata (p < 0,05) terhadap aktivitas antioksidan dan total asam tertitrasi, namun tidak berpengaruh nyata terhadap pH kombucha. Nilai IC₅₀ terendah diperoleh pada perlakuan A5 sebesar 56,50 ppm, menunjukkan aktivitas antioksidan tertinggi. Nilai total asam tertitrasi tertinggi diperoleh pada perlakuan A3 sebesar 0,75%. Uji organoleptik menunjukkan bahwa perlakuan A2 memiliki tingkat penerimaan tertinggi oleh panelis. Berdasarkan uji efektivitas, perlakuan terbaik adalah A2 (5% sari buah pala : 95% teh hijau), karena memberikan keseimbangan optimal antara aktivitas antioksidan, karakteristik kimia, dan penerimaan sensoris.
Assistance in Enhancing the Functional Value of the Yellow Tofu Production System through a Value Engineering Approach at UD SDD Kediri Yuniati, Yuyun; Mohamad, Silvana; Fais, Moh. Ainul
Journal of Community Practice and Social Welfare Vol. 6 No. 1 (2026): Journal of Community Practice and Social Welfare
Publisher : LPPM Universitas Ma Chung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33479/jacips.2026.6.1.16-28

Abstract

Micro-scale tofu industries often operate using conventional production systems that evolve through habit rather than structured technical planning, leading to inefficiencies in energy use and workflow organization. This Community Service program was conducted at UD SDD Kediri to enhance the functional value of its yellow tofu production system through a value engineering approach. The activity focused on improving the combustion system and facility layout without requiring costly technological replacement. The methodology consisted of situational analysis, functional identification, process mapping, simulation of layout improvement, limited implementation, and evaluation. Initial observations showed a production cycle time of approximately 180 minutes per batch, material movement distance of ±22 meters, and high heat exposure due to an uninsulated traditional furnace. Layout simulation reduced movement distance to ±14 meters and shortened movement time from 25 to 15 minutes, indicating a potential efficiency improvement of around 36% in motion-related activities. Minor adjustments in airflow and heat direction improved combustion stability and reduced direct heat exposure. The findings demonstrate that inefficiencies were primarily associated with weak supporting functions rather than production capacity limitations. The program strengthened both technical configuration and managerial awareness of function–cost relationships, confirming that incremental value engineering interventions provide a feasible pathway for efficiency enhancement in micro-scale food enterprises.
Co-Authors Abdul Rasyid Achmad Kusyairi Achmad Qodim Syafa&#039;atullah Adelia, Kezia Adhania Andhika Prayudanti Adhania Andika Prayudanti Agung Rasmito Alfanaar, Rokiy Anitarakhmi Handaratri Aziza, S. Alfiyah Nur Bambang Sigit Sucahyo Bambang Sigit Sucahyo Bambang Sigit Sucahyo Bambang Sigit Sucianto Bambang Sutejo Bambang Sutejo, Bambang Cahyani, Maulidya D. Christa, Amadea Chuardy, Valentino Adrian Dedy Kunhadi Devi Natalia Devianti, Rachma Nur Dhiya Dini Azmi Donny Satria Bhuana Elizabeth Angela Sitijo Endang Sriwahyuni Eric Nurandriea Evan Michael Ariyanto Fadjar Kurnia Hartati Fadjar Kurnia Hartati Fadjar Kurnia Hartati, Fadjar Kurnia Fahilah, Khoiriyah Farrell Ricardo Tirtasatya Febihapsari Febriana Kesuma, Ruth Gracia Julia Halim Heriyanto Heriyanto I Gusti Ayu Sri Deviyanti Jannah, Jumrotul Jessica Lukito Jessica Novanti Kurniawan Jimmy Jimmy Juliana Kejora Handarini Kejora Handarini Kestrilia Rega Prilianti Kusyairi, Achmad Lailatul Qadariyah Leny Yuliati Lidwina Angelica Soetantijo Lilis Rosmainar M. Yogi Riyantama Isjoni Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Mahfud Maria Agustini Melany Melany Melinda, Anna Moh. Ainul Fais Monica, Eva Mulani Jeni Lestari Tampubolon Muthowif Natanael Anugerah Tuuk Natan Nazhifah Fairuzsyawal Ningrum, Cicik Agustia Ningtyas, Rosidah Wahyu Nirmala Siregar, Rena Nixson Nusa Hidayat Wibawa Novidayasa, Ifra Nunuk Hariani Nunuk Hariyani Nur Aziza, S. Alfisyah NURUL HAYATI Nyoman Sri Widari Pamela Felita Tjendra Pandu Gizta Rapi Paksi Pantjawarni Prihatini Perwirani, Nindya Ayu Leonita Pradipta Risang Ratna Sambawa Pramitha, Asti Rizkiana Prasiska, Revina Lusy Putra Siswoyo , Deddy Kurniawan Rachma Nur Devianti Rachma Nur Devianti Rahmiati, Retnani Ramadhani, Mirza Rasidah Rasidah Ratna Yulianti Wijaya Renny Indrawati, Renny Retnani Rahmiati Retnani Rahmiati Retnani Rahmiati Rollando, Rollando Ruth Febriana Kesuma S. Alfisyah Nur Aziza Sandra Dewi Tansil Saras Nurani Putri Saraswati, Exist Selfina Gala Shafitri, Virginia Shodiq , Djaffar Sholihah, Dewi Deniaty Silvana Mohamad Silvana Mohamad Sofiyanurriyanti Sri Rahajoe, Endang Sucahyo, Bambang Sigit Suhatati Tjandra Sultan Arif Rahmadianto Sultan Arif Rahmadianto Sumarno . Sumaryam Sutejo , Bambang Syafa’atullah, Achmad Qodim Tahir, Faleria Christin Tajuddin Noor, M. Trisbiantoro, Didik Vincentius Soeyoto Wa Ode Nurul Azizah Nida Ul Haq Widodo, Evan Krisdian Wilujeng, Lilis Lestari Wulandari, Imania Ayu Yosua Wempy Simon Cristiawan Zuri Rismiarti Zuri Rismiarti