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All Journal At Turots: Jurnal Pendidikan Islam Dedikasi: Jurnal Pengabdian kepada Masyarakat Journal of Biobased Chemicals (JOBC) InSTEM
Istiqomah Rahmawati
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Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Education Engineering Mathematics Physics Social Sciences Other

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Ekstraksi Minyak Atsiri pada Daun Jeruk Manis (Citrus Aurantium) dengan Menggunakan Metode Microwave Hydrodistilation (MHD) Putri Agustin, Mawardhi Nabilla; Andreyan Poerwo Negoro; Ditta Kharisma Yolanda Putri; Meta Fitri Rizkiana; Istiqomah Rahmawati
Journal of Biobased Chemicals Vol. 3 No. 2 (2023): Journal of Biobased Chemicals
Publisher : Program Studi Teknik Kimia Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jobc.v3i2.435

Abstract

This study aims to utilize sweet lime leaves which are only waste that has no value, where sweet lime leaves are one of the ingredients that contain essential oils. Apart from the skin, it turns out that this sweet lime leaf can also be extracted using the Microwave Hydrodistillation (MHD) method. This study uses three variables namely; the F/S ratio used was 0.375 g/mL; 0.5g/mL; 0.65 g/mL, power 150 watts, 300 watts, and 450 watts, and time 30, 60, and 90 minutes. The extraction method is carried out using fresh ingredients with a solvent volume of 200 ml. The test carried out is the GC-MS test. The results of the test method and the purpose of this study were to determine the limonene content in the extraction of sweet lime leaves using the MHD method with variations in ratio, power, and time. The optimum yield of essential oils is at a power of 300 W, 90 minutes, and a ratio of 0.625 with a yield of 0.373%. The biggest components produced in the MHD method of extracting citrus leaves were Germacrene D 29.51%, Alpha-Copaene 18.47%, CIS-CAROPHYLNE 15.42%, 9-Eicosene (E) 8.58% and Limonene 5.51%.
Extraction of Turmeric Leaves (Curcuma longa L.) as a Natural Preservative for Tuna Fish Using Ultrasound-Assisted Extraction (UAE) Method Salma, Isni Salma Salsabillah; Rossi Agnessi Pebriana; Bekti Palupi; Ditta Kharisma Yolanda Putri; Istiqomah Rahmawati
Journal of Biobased Chemicals Vol. 4 No. 1 (2024): Journal of Biobased Chemicals
Publisher : Program Studi Teknik Kimia Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jobc.v4i1.822

Abstract

Turmeric leaves (Curcuma longa L.) contain phytochemical compounds that can be utilized as natural food preservatives or bioformalin due to its antibacterial properties. The extraction method used in this study is Ultrasound-Assisted Extraction (UAE), with the aim to determine the effect of variable sample-solvent ratio, time, and particle size on total flavonoid, tannin, and alkaloid compounds, as well as to determine the optimal shelf life of fresh tuna. This study used sample-solvent ratio variables of 1:10, 1:15, and 1:20; time variables of 10, 20, and 30 minutes; and particle size variables of 60, 80, and 100 mesh. The highest total flavonoid compound was obtained in the variable sample-solvent ratio of 1:20, particle size of 100 mesh, and time of 20 minutes at 98,076 mg/L. The highest total tannin compound was obtained in the variable sample-solvent ratio of 1:15, particle size of 60 mesh, and time of 10 minutes at 41,697 mg/L. The highest total alkaloid compound was obtained in the variable sample-solvent ratio of 1:10, particle size of 100 mesh, and time of 20 minutes at 10,092 mg/L. The optimum curing time for tuna is 36 hours at room temperature with variable sample-solvent ratio, time, and particle size of 1:20 g/mL, 20 minutes, and 100 mesh with 20% concentration. The running has the highest flavonoid compounds, so it can be concluded that flavonoid compounds have a major effect on the preservation process of tuna.
Application of Appropriate Technology Purification Oil Based on Cocoa Bark (Theobroma cacao L.) As Bio-Adsorbent for Purification of Used Cooking Oil in Kedaton Plantation, Panti Village Hakiki, Rizki Maulana; Tiana Febrianti Eka Prasetyani; Rossi Agnessi Pebriana; Amelia Permata Ayunda; Syeikh Maulana Bima Suci; Amellyah Isna Ainaiyah; Mutiara Rengganis Nurul Putri Azhari; Isni Salma Salsabillah; Sekar Jasmin Azzahra; Nico Dimas Saputro; Istiqomah Rahmawati
Jurnal Inovasi Sains dan Teknologi untuk Masyarakat Vol. 2 No. 2 (2024): November
Publisher : Faculty of Mathematics and Natural Sciences, University of Jember. Jl. Kalimantan No.37, Krajan Timur, Jemberlor, Kec. Sumbersari, Jember Regency, East Java 68121

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/instem.v2i2.1158

Abstract

Using cooking oil repeatedly will have an impact on health. Cooking oil repeatedly changes color to a darker color, produces an unpleasant odor, and has high levels of fatty acids. Cooking oil experiences changes due to the chemical properties of cooking oil, such as a reaction where the color changes to brown when cooking oil is used at high temperatures by reacting with air. Therefore, it is necessary to purify used cooking oil to be used as a material that is more beneficial to society. The utilization of cocoa shell waste into carbon that has been processed is used for the adsorption process of purification of used cooking oil. The process of purifying used cooking oil begins with making activated charcoal, chemical activation of activated charcoal with hydrochloric acid (HCl), assembling appropriate technology for oil purification, adsorption process of used cooking oil which goes through several stages of purification, namely zeolite stone, cotton, cocoa charcoal, cotton and filter cloth. , and the process of using purified used cooking oil into aromatherapy candles. The materials used in making candles are paraffin and used cooking oil in a 1:1 ratio. Candles are packaged attractively to provide consumers and add selling value. This activity attracted the enthusiasm of the community to utilize used cooking oil into aroma therapy candles. In addition, the Panti Village Tourism Awareness Group is interested in utilizing used cooking oil to make souvenir aroma therapy candles at Panti village tourist attractions.It is hoped that using used cooking oil that has been purified into aromatherapy candles will become a source of income for the people of Kedaton Plantation, reducing waste disposal so that the environment will be better protected.
Evaluasi Efektivitas Kolom Biofilter dengan Media Campuran untuk Pengolahan Limbah Cair Tahu Eka, Silvia Devi Eka Putri; Mutiara Dewi Rukmana; Istiqomah Rahmawati; Tazkia Maulida Putri; Zahwa Annaya
Journal of Biobased Chemicals Vol. 5 No. 1 (2025): Journal of Biobased Chemicals
Publisher : Program Studi Teknik Kimia Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jobc.v5i1.5595

Abstract

Indonesia's increasing number of tofu industries has led to a rise in waste volume from this sector, requiring exceptional management. Tofu wastewater, a byproduct of tofu production that is no longer utilized, contains a high concentration of organic matter and can adversely affect water supplies if discharged untreated. This study aims to investigate an efficient filtration technique using filtration media for processing tofu wastewater. The biofilter column used in this study was made from a Le Minerale gallon and comprised layers of zeolite, bio balls, bearings, and activated charcoal to filter and purify the water from organic substances. The results showed that while filtration effectively reduced Total Dissolved Solids (TDS) from 995 ppm to 129 ppm after the fourth filtration, it was ineffective in neutralizing the pH of the tofu wastewater, which remained at pH 4 before and after filtration. This indicates that the wastewater remains acidic and cannot be directly discharged into the environment. Additionally, conductivity and salt levels increased after multiple filtrations, possibly due to ion release from the filter materials or saturation effects. This study reveals that the column configuration and filtration materials used were ineffective in removing acidic components from tofu wastewater. Therefore, design adjustments and filtration media selection are needed to achieve better results in treating tofu wastewater.
Strategi Pengemasan dan Pemasaran Lilin Aromaterapi dan Sabun Cuci Piring dari Minyak Jelantah Anggraeni, Sella Violina; Naily Fatimatuz Zaroh; Amalia Ramadhan; Mochamad Ghaza Al Ghifari; Richa Febyola Surya Putri; Boy Arief Fachri; Bekti Palupi; Meta Fitri Rizkiana; Istiqomah Rahmawati
Dedikasi:Jurnal Pengabdian kepada Masyarakat Vol. 6 No. 1 (2025): Jurnal Dedikasi
Publisher : Universitas Jayabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31479/dedikasi.v6i1.423

Abstract

Desa Plalangan yang terletak di Kecamatan Kalisat, Kabupaten Jember, merupakan salah satu desa binaan Universitas Jember dengan potensi besar dalam pengembangan produk ramah lingkungan. Masyarakat desa ini sebelumnya telah dilatih untuk mengolah minyak jelantah menjadi sabun cuci piring dan lilin aromaterapi, namun aspek pengemasan dan pemasaran produk masih perlu ditingkatkan agar memiliki nilai jual lebih tinggi. Program pengabdian ini bertujuan untuk memberikan pelatihan strategi packaging dan marketing produk berbasis minyak jelantah agar masyarakat mampu mengembangkan usaha secara mandiri. Metode pelaksanaan meliputi pendalaman mutu produk, perancangan desain kemasan, pelatihan strategi pemasaran offline dan online, serta evaluasi tingkat pemahaman peserta. Hasil kegiatan menunjukkan peningkatan wawasan dan kreativitas warga dalam mendesain kemasan yang menarik dan fungsional, serta pemahaman mengenai cara promosi produk baik melalui penjualan langsung (face to face selling) maupun live selling di platform digital seperti TikTok. Program ini diharapkan dapat memperkuat daya saing produk lokal, meningkatkan pendapatan masyarakat, serta mendukung terwujudnya ekonomi sirkular berbasis lingkungan di Desa Plalangan.
Enhancing Biotechnology Literacy through Kombucha Tea Making Socialization at SMA Negeri 1 Giri Istiqomah Rahmawati; Bekti Palupi; Merymistika Yufrani Afred; Agus Wedi Pratama
Jurnal Inovasi Sains dan Teknologi Untuk Masyarakat Vol. 3 No. 2 (2025): November
Publisher : Faculty of Mathematics and Natural Sciences, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/instem.v3i2.4

Abstract

Biotechnology learning at the secondary school level is often dominated by theoretical approaches, potentially limiting students' understanding of real-life scientific applications. This community service activity aimed to implement the Tri Dharma of Higher Education through socialization and training on kombucha tea making at SMA Negeri 1 Giri, Banyuwangi. The primary objective of this program was to strengthen students' applied biotechnology literacy and foster an entrepreneurial spirit by introducing the business potential of fermented products. The implementation method employed a participatory approach involving 53 students as active participants on March 18, 2025. The activity stages included interactive material delivery regarding SCOBY (Symbiotic Culture of Bacteria and Yeast) microbiology and the health benefits of kombucha, followed by practical demonstrations covering the process from starter inoculation to fermentation. In addition to technical aspects, this activity specifically incorporated training on simple economic analysis, including calculations for raw material costs, production expenses, and the determination of competitive selling prices for a home-industry scale. The results indicated high participant enthusiasm, evidenced by active participation in discussion and quiz sessions. Students successfully gained a deep understanding of the biochemical reactions occurring during fermentation and the potential of kombucha as a functional beverage. Furthermore, the provided business insights transformed students' perspectives, highlighting the high economic value of biotechnology products. It is concluded that the integration of practical training and business insights effectively enhances students' scientific competence while supporting the implementation of the entrepreneurship theme within the Merdeka Curriculum.
Co-Authors Abdurrahman Auf Afred, Merymistika Yufrani Agus Wedi Pratama Alfinaini, Nur Aini Dwi Alfinaini Amalia Ramadhan Amelia Permata Ayunda Amellyah Isna Ainaiyah Andreyan Poerwo Negoro Anggraeni, Sella Violina AYU WULANDARI Bekti Palupi Boy Arief Fachri Dianavita Fatimah Ditta Kharisma Yolanda Putri Erna Subroto Felix Arie Setiawan Hakiki, Rizki Maulana Helda Wika Amini Isni Salma Salsabillah Lutsi, Nurtsulutsiyah Meta Fitri Rizkiana Mochamad Ghaza Al Ghifari Moh. Ariz Iqramullah Mutiara Dewi Rukmana Mutiara Rengganis Nurul Putri Azhari Naily Fatimatuz Zaroh Nico Dimas Saputro Pratamai Shelli Putri Agustin, Mawardhi Nabilla Relyando, Syahfa Adinda Richa Febyola Surya Putri Rima Arianti Rizki Fitria Darmayanti Rossi Agnessi Pebriana Safinatin Najjah Salma, Isni Salma Salsabillah Sekar Jasmin Azzahra Silvia Devi Eka Putri Slamet Pujianto Syeikh Maulana Bima Suci Tazkia Maulida Putri Tiana Febrianti Eka Prasetyani Tri Elok Setya Megasari Widiyanto Yakub Hendrikson Manurung Zahwa Annaya Zuhriah Mumtazah Zulkarnain