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Kinetic Extraction of Moringa Oleifera Leaves using the Microwave Assisted Extraction (MAE) Method Rizky Pratama, Reinaldi; Ghina Shofiah Adibah Khoirunnisa; Ditta Kharisma Yolanda Putri; Helda Wika Amini; Boy Arief Fachri
Journal of Biobased Chemicals Vol. 4 No. 2 (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.v4i2.1379

Abstract

Daun kelor (Moringa oleifera) adalah bagian dari tumbuhan yang memiliki bentuk seperti daun dengan berbagai manfaat kesehatan dan gizi yang tinggi, serta terdapat kandungan vitamin, mineral, protein, dan senyawa bioaktif, serta memiliki sifat antioksidan dan antiinflamasi. Penelitian ini bertujuan untuk mempelajari ekstrasi, mengetahui keberadaan kandungan tannin pada daun kelor dan mengetahui model kinetika ekstraksi pada ekstrak yield daun kelor meggunakan metode Microwave Assisted Extraction (MAE). Proses ekstraksi daun kelor dilakukan dengan menggunakan pelarut etanol 96% dan menggunakan metode Microwave Assisted Extraction (MAE) dapat membantu memaksimalkan rendemen ekstraksi. Proses ekstraksi dilakukan dengan variasi daya 150 watt, rasio bahan terhadap pelarut 1:15 b/v dan waktu ekstraksi 2, 4, 6, 8, dan 10 menit. Hasil penelitian menunjukkan nilai rendemen tertinggi didapatkan pada waktu ekstraksi di menit ke 10 yaitu 10,25%. Model kinetika ekstraksi yang sesuai untuk mengekstraksi senyawa tanin dari daun kelor adalah orde 2, dimana nilai R2 lebih tinggi dibandingkan orde 1 dan nilainya hampir mendekati 1.
[RETRACTED] Preparation and Characterization of Propolis (Trigona sp.) Extract-Loaded Chitosan Tripolyphosphate Nanoparticles Sari, Puspita; Watiningsih, Lusi Karlina; Fachri, Boy Arief; Fauzi, Mukhammad; Sutarsi, Suratsi; Rumaisha-Zuhriansyah, Rayya
International Journal on Food, Agriculture and Natural Resources Vol 5, No 4 (2024): IJ-FANRES
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v5i4.298

Abstract

Propolis contains natural polyphenolic compounds with various biological activities, however, its application is limited due to low water solubility, instability in an aqueous medium, and low absorption rate in the body. The solution to overcome these drawbacks is to create nanoparticles of propolis extract. In this study, we encapsulated propolis extract in nanoparticles (propolis extract-loaded nanoparticles, PE-NP) using low/medium molecular weights of chitosan (LMW/MMW) and cross-linker sodium tripolyphosphate (TPP) by ionic/ionotropic gelation method as wall materials. We examined the physical characteristics (pH, turbidity, encapsulation efficiency, particle size, polydispersity index, zeta potential) and antioxidative properties of PE-NP prepared with the different molecular weights of chitosan, various concentrations of chitosan, and different volumes of propolis extracts. The resulting PE-NP revealed low encapsulation efficiency (23.937 - 41.192%) and pH in the range of 3.9 - 4.8. PE-NP also presented antioxidant capacity that was contributed by polyphenolic compounds in propolis extract. The suspension of PE-NP had a particle size of 350.000 - 488.280 nm with PDI values higher than 0.3 (heterogeneous dispersion), and positive zeta potential (39.340 - 48.200 mV), resulting in stable nanoparticles. The PE-NP produced can be used as functional ingredients in the food industry due to their antioxidative property.[This article has been officially retracted upon the request of the author]
Kinetics Study in Essential Oil Extraction from Basil Leaves by Microwave Assisted Hydrodistillation Putri, Ditta Kharisma Yolanda; Udroto, Firsta Retnaningtyas; Fatimah, Dianavita; Fachri, Boy Arief; Rahmawati, Istiqomah; Mumtazah, Zuhriah; Palupi, Bekti; Al Fajri, Maktum Muharja
Jurnal Teknik Kimia dan Lingkungan Vol. 9 No. 1 (2025): April 2025
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jtkl.v9i1.4930

Abstract

Essential oil is compounds that contained in plants and have many benefits. Basil is an aromatic plant that can produce essential oils. Essential oils can be extracted from basil leaves using Microwave Assisted Hydrodistillation (MAHD) method. To determine the efficiency of the MAHD method, it’s necessary to study the kinetics of the extraction method. It’s because kinetic studies can be used to identify the optimal point in the process where the highest efficiency is obtained, so the extraction process can be optimized. The aim of this research is to evaluate the suitable kinetic model for the basil leaf extraction process using the MAHD method. This extraction using 100 grams of basil leaves and 200mL aquadest, heated at various microwave power 150W, 300W, and 450W. The extractions were carried out for 70 minutes with 10 min intervals. The results showed that the largest oil yield was obtained when using 450W power, which was 0.190 grams. Based on the experimental data obtained, the most suitable kinetic model is second-order model. This can be analyzed from the highest R2 (0.9946 – 0.9999) and the lowest RMSE (0.0062 – 0.0349). Increasing the irradiation power will affect the extraction rate and parameter values of each kinetic model.
Pembuatan biogas dari jerami padi dan kotoran sapi di Desa Sumber Jeruk Kecamatan Kalisat Putri, Ditta Kharisma Yolanda; Fachri, Boy Arief; Mumtazah, Zuhriah; Rahmawati, Istiqomah; Ansori, Ansori; Sekaringgalih, Ratri; Afred, Merymistika Yufrani; Permatasari, Ocita Galuh; Azzahrah, Anak Agung Nabilla; Ainia, Hilda Huril; Buana, Nayyara Aida; Naraismanti, Nirina Indi; Salsabila, Putri Ayu; Akmal, Gavinda Tsubutul; Suryagama, Muhammad Nabil; Pratama, Ilyas Arya; Aini, Dwi Intan Noer
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 9, No 3 (2025): May
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v9i3.30268

Abstract

AbstrakKrisis energi akibat kelangkaan minyak mentah telah menyebabkan kenaikan harga bahan bakar minyak dan gas secara signifikan. Untuk menanggulangi dampak tersebut, pemerintah memberikan subsidi LPG kepada masyarakat berpenghasilan rendah. Namun, realisasinya masih kurang efektif karena tidak tepat sasaran, sehingga menyebabkan keterbatasan ketersediaan LPG bersubsidi. Di sisi lain, limbah biomassa seperti jerami padi dan kotoran sapi yang melimpah di wilayah pedesaan belum dimanfaatkan secara optimal, padahal memiliki potensi besar sebagai sumber energi terbarukan.Kegiatan pengabdian ini dilakukan di Desa Sumber Jeruk, Kabupaten Jember, dengan tujuan memberikan solusi pemanfaatan limbah biomassa menjadi energi alternatif berupa biogas, sekaligus sebagai upaya mengurangi ketergantungan terhadap LPG. Metode yang digunakan dalam produksi biogas adalah fermentasi fed-batch dengan penambahan EM4 sebagai aktivator mikroorganisme.Hasil kegiatan menunjukkan bahwa kombinasi jerami padi dan kotoran sapi mampu menghasilkan biogas yang dapat dimanfaatkan sebagai bahan bakar alternatif. Selain membantu mengurangi limbah organik, inovasi ini juga berkontribusi dalam mendukung ketahanan energi di tingkat rumah tangga. Pengolahan limbah biomassa menjadi biogas merupakan solusi tepat guna yang ramah lingkungan dan berkelanjutan dalam menghadapi keterbatasan energi fosil. Kata kunci: biogas; LPG; limbah jerami padi; kotoran sapi; fermentasi fed-batch. AbstractThe energy crisis due to the scarcity of crude oil has caused a significant increase in the price of fuel oil and gas. To overcome this impact, the government provides LPG subsidies to people with low incomes. However, its realization is still ineffective because it is not on target, resulting in limited availability of subsidized LPG. On the other hand, biomass waste such as rice straw and cow dung which are abundant in rural areas have not been optimally utilized, even though they have great potential as renewable energy sources. This community service activity was carried out in Sumber Jeruk Village, Jember Regency, with the aim of providing a solution for utilizing biomass waste into alternative energy in the form of biogas, as well as an effort to reduce dependence on LPG. The method used in biogas production is fed-batch fermentation with the addition of EM4 as a microorganism activator. The results of the activity show that the combination of rice straw and cow dung is able to produce biogas that can be used as an alternative fuel. In addition to helping reduce organic waste, this innovation also contributes to supporting energy security at the household level. Processing biomass waste into biogas is an appropriate solution that is environmentally friendly and sustainable in overcoming the shortage of fossil fuel energy. Keywords: biogas; LPG; rice straw waste; cow manure; fed-batch fermentation
Microwave-Assisted Deep Eutectic Solvent Extraction of Lipids from Ulva sp.: Optimization and Fatty Acid Profiling Rizkiana, Meta Fitri; Lestari, Afrila Tutut Dwijati; Sholeha, Irdatus; Palupi, Bekti; Putri, Ditta Kharisma Yolanda; Rahmawati, Istiqomah; Amini, Helda Wika; Fachri, Boy Arief
Jurnal Pijar Mipa Vol. 20 No. 5 (2025)
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v20i5.9588

Abstract

Ulva sp. is a green alga commonly found in Indonesian waters. It contains approximately 60% carbohydrates, 10–47% protein, and 1–3% lipids. This study aimed to determine the optimum conditions for lipid extraction from Ulva sp. A pre-treatment step was carried out by adding a Deep Eutectic Solvent (DES) and distilled water. The DES used was a mixture of zinc chloride and urea in a 1:2 molar ratio. The sample was then mixed with a chloroform-methanol solvent (2:1 v/v) and subjected to Microwave-Assisted Extraction (MAE). The variables investigated in this study included microwave power (150, 300, and 450 W), extraction time (10, 15, and 20 min), and solvent volume (45, 60, and 75 mL). The organic phase obtained from the extraction process was separated and evaporated to determine the lipid yield. The highest yield, 15.8%, was achieved under conditions of 20 min extraction time, 75 mL solvent volume, and 300 W of power. GC-MS analysis of the highest-yield sample revealed the presence of fatty acids including palmitic acid, oleic acid, and palmitoleic acid. This optimized method supports future applications in biodiesel production and green extraction processes for algae-based bioresources.
EKSTRAKSI PROTEIN DARI SPIRULINA SP DALAM PELARUT ETANOL TERBANTUKAN GELOMBANG ULTRASONIK Fachri, Boy Arief; Palupi, Bekti; Rahmawati, Istiqomah; Rizkiana, Meta Fitri; Amini, Helda Wika
Jurnal Penelitian Sains dan Teknologi Indonesia Vol 1 No 1 (2022): Jurnal Hasil Penelitian UNIVERSITAS JEMBER
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LP2M) Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpsti.v1i1.90

Abstract

Protein merupakan komponen nutrisi yang dibutuhkan oleh manusia untuk kesehatan tubuh. Salah satu sumber protein yang melimpah di Indonesia adalah alga Spirulina Sp. Ekstraksi protein alga, sulit dilakukan. Hal ini dikarenakan, protein tersimpan dalam sel-sel alga yang memiliki dinding yang sangat keras. Metode konvensional yang selama ini dilakukan membutuhkan waktu yang sangat lama, dan energi yang besar. Untuk mengatasi hal itu, sebuah metode alternatif yang diajukan dalam penelitian ini, adalah metode ekstraksi ultrasonik. Tujuan penelitian ini adalah untuk menentukan kondisi optimum ekstraksi protein dari Spirulina Sp dan mengetahui pengaruh parameter ekstraksi terhadap yield. Sprirulina Sp yang tekah dikeringkan dan dihaluskan diumpankan ke dalam ekstraktor yang berisi etanol. Gelombang ultrasonic, kemudian dialirkan ke dalam ekstraktor melalui probe. Setelah, eaktu ekstraksi tercapai, ekstrak dan residu dipisahkan dengan cara sentrifugasi dengan kecepatan 10000 rpm pada suhu kamar. Selanjutnya, yield protein ekstrak dihitung dengan analisa Lowry-Bradford. Pengaruh parameter proses seperti rasio bahan baku-pelarut (0:1-0.5) g/mL, ukuran partikel bahan baku (600-800) mesh dan waktu ekstraksi 15-45 menit) terhadap yield akan diamati dalam penelitian ini. Berdasarkan hasil penelitian, dapat disimpulkan bahwa yield tertinggi sebesar 80,87 % diperoleh pada kondisi rasio bahan baku-pelarut 0.2 g/mL, ukuran partikel bahan baku 700 mesh dan waktu ekstraksi 30 menit. Sementara itu, ukuran partikel merupakan parameter yang paling signifikan.
A Comparison of Unconventional Microwave and Ultrasound-Assisted Extraction Methods used for Flavonoids Rahmawati, Istiqomah; Azizi, Daffa Hafiziaulhaq; Wibowo, Jihan Nafila; Reza, Muhammad; Fachri, Boy Arief; Palupi, Bekti; Rizkiana, Meta Fitri; Amini, Helda Wika; Ramadana, Ifan; Setiawan, Felix Arie
Makara Journal of Science Vol. 29, No. 1
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Cocoa pods (Theobroma cacao L.) are a rich source of flavonoids, which are natural antioxidants known for their health benefits. This study investigated the use of microwave-assisted extraction (MAE) and ultrasound-assisted ex-traction (UAE) to extract the maximum flavonoids and antioxidants from cocoa pods. MAE and UAE are efficient and sustainable methods for extracting bioactive compounds like flavonoids and antioxidants from cocoa pods, offer-ing faster extraction, reduced solvent use, and better compound preservation compared to conventional methods. These technologies unlock the untapped potential of cocoa pods for applications in food, cosmetics, and pharmaceuti-cals. The effects of extraction time (2–10 min), microwave power (100–300 W), and the ratio of cocoa husk powder to solvent (0.02–0.06 g/mL) were evaluated for MAE. Meanwhile, for UAE, different temperatures (30–50 °C), times (10–30 min), and powers (16–48 W) were studied. The Design-Expert® software with Response Surface Methodology (RSM) and a Box-Behnken Design was utilized to analyze the effects of a combination of these parameters. The re-sults showed that extraction time, microwave power, and the ratio of cocoa husk powder–solvent significantly affected the total flavonoid yield and antioxidant capacity. The highest total flavonoid yield obtained by the MAE method (123.07 ppm) was at an extraction time of 10 min, cocoa husk–solvent ratio of 0.06 mg/mL, and microwave power of 300 W. The extract obtained by the MAE method showed an excellent antioxidant capacity of 43.49 mg/mL GAEAC, and a robust antioxidant activity indicated by an IC50 value of 42.19. Conversely, the highest total flavonoid yield of the UAE method (8.45 mg/mL GAEAC) was achieved at 30 min, 40 °C, and 40 W. The extract from the UAE method demonstrated a better antioxidant capacity (7.51 mg/mL GAEAC) and antioxidant activity (IC50 value of 23.46) than that from the MAE technique
Pemanfaatan Ulva sp. pada Sistem High Rate Algae Reactor (HRAR) untuk Pengolahan Limbah Cair Batik Palupi, Bekti; Megasari, Tri Elok Setya; Adelina, Saltsabita Nourin; Fachri, Boy Arief; Rahmawati, Istiqomah; Rizkiana, Meta Fitri; Amini, Helda Wika; Muharja, Maktum; Mumtazah, Zuhriah
Dinamika Kerajinan dan Batik: Majalah Ilmiah Vol. 41 No. 2 (2024): DINAMIKA KERAJINAN DAN BATIK : MAJALAH ILMIAH
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Industri Kerajinan dan Batik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22322/dkb.v41i2.8466

Abstract

Batik merupakan salah satu warisan budaya Indonesia. Dalam produksinya, batik menggunakan bahan pewarna, malam, dan zat-zat kimia lainnya. Penggunaan bahan tersebut menghasilkan limbah cair dengan kandungan kadar minyak dan lemak, COD, dan pH yang tinggi. Selain itu, limbah yang dibuang langsung ke lingkungan merupakan limbah yang beracun dan dapat merusak ekosistem. Metode High Rate Algae Reactor (HRAR) menggunakan Ulva sp. digunakan pada penelitian ini. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi tablet CO2, lama penyinaran, dan banyaknya suspensi Ulva sp. dalam pengolahan limbah. Ulva sp. sebanyak 5 – 15% dimasukkan ke dalam HRAR bersamaan dengan limbah cair batik, kemudian dilakukan penambahan tablet CO2 sebanyak 0,27 – 0,81 gram yang selanjutnya dilakukan penyinaran selama 6 – 24 jam. Optimasi pengolahan limbah dilakukan menggunakan metode RSM (Response Surface Methodology) dengan rancangan percobaan kombinasi perlakuan Central Composite Design (CCD) menggunakan software Design Expert 13. Berdasarkan hasil penelitian, variabel pengolahan limbah paling optimal berada pada saat konsentrasi suspensi Ulva sp. 5%, lama penyinaran 24 jam, dan massa tablet CO2 sebesar 0,27 gram. Respon yang diperoleh pada variabel tersebut yakni kadar COD 48,2 mg/L, kadar minyak dan lemak 0,432 mg/L, serta nilai pH 7,929.
Co-Authors Abdul Malik Karim Amrullah Adelina, Saltsabita Nourin Adrian, Febri Afred, Merymistika Yufrani Afwal, Diza Raudhatul Ahmad Syuhri Aini, Dwi Intan Noer Ainia, Hilda Huril Akbar Anugrah Ikhsani Akmal, Gavinda Tsubutul Al Fajri, Maktum Muharja Alex Ttesa Elsyamba Alfinaini, Nur Aini Dwi Alfinaini Alifia Rahma Putri Neysella Anggraini, Ranita Anggi Annisa, Yasmin Ansori Ansori Ardila Dwi Tresna Ari Susanti Arief Budiman Aris Zainul Muttaqin Asshofy , Muhammad Agil Atiqa Rahmawati Atiqa Rahmawati Azizi, Daffa Hafiziaulhaq Azzahrah, Anak Agung Nabilla Badril Azhar Badril Azhar Bekti Palupi Bimo Bayu Aji Buana, Nayyara Aida Danang Muharyanto Dianavita Fatimah Digdo Listyadi, Digdo Dihayat, Icha Shofia Dini Rahmawaty Ditta Kharisma Yolanda Ditta Kharisma Yolanda Putri Doddy Parningotan Elisah, Nor Elsyamba, Alex Ttesa Erna Subroto Farwah, Zilma Aliyah Fatimah, Dianavita Felix Arie Setiawan Firmansyah, Muhammad Sahrul Ghina Shofiah Adibah Khoirunnisa Gregah Pangayoman Hartanto P Habibatul Inayah Harti Arini Helda Wika Amini Helda Wika Amini Heni Pujiastuti Herdianto, Dimas Nur Hidayat, Debby Aurellia I Made Arimbawa Indrayani, Lilin Intan Hardiatama Istiqomah Rahmawati Istiqomah Rahmawati Kristianta, Franciscus Xaverius Lailatul Fatma Lestari, Afrila Tutut Dwijati Lukman Nulhakim Lumbantoruan, Sri Lestari M Edoward Ramadhan M Nurkoyim Kustanto M Yuda Pratama Maharani, Regita Gustiayu Pramisti Mahfud Mahfud Mahfud Mahfud Mahros Darsin Maktum Muharja Maulida Septiyana Megasari, Tri Elok Setya Meta Fitri Rizkiana Mizanurafi’ Ghifarhadi Prasiefa Mochamad Edoward Ramadhan Mohammad Nor Muhammad Reza Muhammad Reza Muharja, Maktum Mukhammad Fauzi Nabilah Lu’aili Fauziah Nadia Ayumna Fa’iqoh Naraismanti, Nirina Indi Nikita Meidi Nova Chintya Kurniawati Nova Chintya Kurniawati Nugraha, Briantara Agung Nugroho, Yeremia Prasetya Nur Karima Nur Karima Nurkoyim Kustanto Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah, Nurtsulutsiyah Permatasari, Ocita Galuh Pradipta, Shima Nuril Pratama, Ilyas Arya Pratamai Shelli Pravitasiwi, Nanda Tricya Julia Purimahua, Amanda Augre Maharani Puspita Sari Putri, Navisa Ayudia Putri, Salsabila Ananda R Rochmadi Rahman, Agus Ramadana, Ifan Ratnasonia, Samantha Githa Ratri Sekaringgalih Regita Gustiayu Pramisti Maharani Renald Rochman Mauludy Reswara Musyafa Rizalluddin, Muhammad Rizki Abdus Syatar Rizki Fitria Darmayanti Rizki Fitria Darmayanti Rizky Pratama, Reinaldi Rumaisha-Zuhriansyah, Rayya Safira Nur Oktavia Salsabila, Putri Ayu Santoso Mulyadi Sa’roni, Achmad Septianti, Kiki Shabrina, Nadhilah Sholeha, Irdatus Slamet Pujianto Suryagama, Muhammad Nabil Sutarsi, Suratsi Syatar, Rizki Abdus Tri Elok Setya Megasari Udroto, Firsta Retnaningtyas Uzinuzulla, Yunita Virda Wardani, Salza Belila Kusuma Wardhani, Maharani Tri Watiningsih, Lusi Karlina Wibowo, Jihan Nafila Wiwik Pratiwi Yakub Hendrikson Manurung Zuhriah Mumtazah