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All Journal Jurnal Teknik ITS IPTEK The Journal for Technology and Science Jurnal Teknik Kimia Rekayasa Mesin JURNAL INTEGRASI PROSES AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Jurnal IPTEK Konversi Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan Journal of Research and Technology BERDIKARI : Jurnal Inovasi dan Penerapan Ipteks SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Ilmiah Teknik Kimia Jurnal ABDINUS : Jurnal Pengabdian Nusantara Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE) Jurnal PkM (Pengabdian kepada Masyarakat) AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Jurnal Pengbdian Teknik Mesin Jurnal Abdimas Indonesia Jurnal Kuliner Journal Serambi Engineering (JSE) JURNAL REKAYASA KIMIA & LINGKUNGAN
Erliyanti, Nove Kartika
Department Of Chemical Engineering, Faculty Of Engineering, Universitas Pembangunan Nasional “Veteran” Jawa Timur (UPN), Gunung Anyar, Surabaya 60294, Indonesia
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Ekstraksi Flavonoid Dari Daun Kelor (Moringa Oleifera) Menggunakan Metode Ultrasound Assisted Extraction (UAE) Mukhammat Irfan Yofi Setiawan; Nadira Aurelia; Nove Kartika Erliyanti
Jurnal Serambi Engineering Vol. 11 No. 3 (2026): Juli 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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

Abstract

Daun kelor (Moringa oleifera) merupakan salah satu sumber senyawa flavonoid yang memiliki aktivitas antioksidan tinggi sehingga berpotensi dimanfaatkan sebagai bahan baku pada industri pangan, farmasi, dan kesehatan. Penelitian ini bertujuan mengevaluasi pengaruh waktu ekstraksi dan rasio mol pelarut Natural Deep Eutectic Solvent (NADES) berbasis kolin klorida dan asam sitrat terhadap rendemen ekstrak, Total Flavonoid Content (TFC), serta karakteristik perpindahan massa pada proses ekstraksi flavonoid menggunakan metode Ultrasound-Assisted Extraction (UAE). Variasi waktu ekstraksi yang digunakan adalah 10, 20, 30, 40, dan 50 menit, sedangkan rasio mol kolin klorida terhadap asam sitrat meliputi 1:0,5, 1:0,75, 1:1, 1:1,25, dan 1:1,5. Ekstrak yang diperoleh dianalisis nilai rendemennya, kemudian kadar flavonoid total ditentukan menggunakan metode AlCl₃ dengan spektrofotometer UV-Vis pada panjang gelombang 437 nm. Selain itu, dilakukan perhitungan koefisien perpindahan massa volumetrik (kLa) untuk menggambarkan kinetika ekstraksi. Hasil penelitian menunjukkan bahwa variasi waktu ekstraksi dan komposisi pelarut NADES memengaruhi rendemen, kadar flavonoid total, serta karakteristik perpindahan massa. Rendemen tertinggi sebesar 30,1333% diperoleh pada rasio mol 1:1 dengan waktu ekstraksi 50 menit. Nilai konsentrasi kesetimbangan (Cs) tertinggi juga dihasilkan oleh rasio mol 1:1 yang menunjukkan kemampuan pelarut dalam melarutkan flavonoid paling optimal. Berdasarkan hasil tersebut, rasio mol kolin klorida dan asam sitrat sebesar 1:1 merupakan kondisi terbaik untuk ekstraksi flavonoid daun kelor menggunakan metode UAE.
Biosynthesis of Silver Nanoparticles Using Black Pepper (Piper nigrum L.) Essential Oil as a Bioreductor Nove Kartika Erliyanti; Guardiola Rosa Wira; Hijria Putri Maharani; Caecilia Pujiastuti; Renova Panjaitan
Jurnal Rekayasa Kimia & Lingkungan Vol 20, No 1 (2025): Jurnal Rekayasa Kimia & Lingkungan (June, 2025)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v20i1.44324

Abstract

The development of environmentally friendly methods for nanoparticle synthesis has gained increasing attention. Black pepper essential oil contains secondary metabolites that act as both reducing and stabilizing agents, making it a promising green alternative in silver nanoparticle (AgNP) synthesis. This study aims to investigate the effect of pH and synthesis time on the yield and characteristics of AgNPs synthesized using black pepper essential oil via the sonochemical method. AgNP synthesis was carried out using the sonochemical method by adding black pepper essential oil to a silver nitrate solution. AgNPs were synthesized at pH levels of 8, 9, and 10 with reaction times of 30, 60, and 90 minutes. The obtained AgNPs were analyzed for yield, UV-Vis absorbance, and particle size distribution. The results demonstrated that yield increased with higher pH and longer synthesis time, reaching a maximum of 58.12% at pH 10 and 90 minutes. UV-Vis analysis confirmed the presence of AgNPs with absorption peaks between 400500 nm. The particle size ranged from 9.66 to 348 nm, indicating size variability influenced by synthesis conditions. These findings highlight the potential of black pepper essential oil as a green and sustainable approach for AgNP synthesis, offering eco-friendly benefits for various applications.
Co-Authors Abdurrahman Wahid Achmad Chumaidi, Achmad Achmad Pemadi Wicaksono Achmad Rizaldi Afandi, Fadila Ardiansyah Afida Kartika Sari Ahmad Rizaldi Alza Nadilla Syahrani Amelia Dwi Cahyani Andre Yusuf Trisna Andre Yusuf Trisna Putra Annisa Rachma Meydyanti Anugerah Dany Priyanto Anugerah Dany Priyanto Anugerah Dany Priyanto, Anugerah Dany Ardika Nurmawati, Ardika Bellani Yunfa Winata Billah, Mu’tasim Billah, Mutasim Billah, Mu’tasim Bimantara Hidayah Caecilia Pujiastuti Caecilia Pujiastuti Caecilia Pujiastuti Caecilia Pujiastuti Dea Putri Anjani Devri Eko Nurwahyuwono Dhining Ayu Dika Prasetyo Dita Nurmala Tristanti Dwi Nur Arinal Khaq Elsa Rosyidah Erwan Adi Saputro Fita Andriyani Fransisca Asteria Nandra Febiola Guardiola Rosa Wira Hamid, Muhammad Nabil Hamzah Fansuri Harishul Ulum Hijria Putri Maharani Ira Wikartika, Ira Kaffah, Elsyaff Visshilmi Karaman, Novel Khurotul Ainiyah Kusuma, Meidina Rafida Kusumawati, Yuly Laksminingsih, Arieanthi Mardiansyah, Yuda Eka Mohd Hafiz Dzarfan Othman Mu'tasim Billah Muchamad Fajar Alamsyah Muhammad Daffa' Aththobarani Mukhammat Irfan Yofi Setiawan Mutasim Billah Nabila Ayu Amanda Nadira Aurelia Nana Dyah Siswati, Anwar Zain and Mohammad Nandini , Atika Neno Nidia Lifiana Norizul Inayah Nova Triani Pujiastuti , Caecilia Pujiastuti, Caecilia Putra , Sandy Buana Rachmad Yogaswara Rahma, Aliza Milah Rangga Kurnia Putra Renova Panjaitan Renova Panjaitan Rina Yulianti Romalawati, Meiswita Sandy Buana Putra Setyabudi, Lintang Sekar Wulandari Silvana Dwi Nurherdiana Sintha Soraya Santi Soemargono Soemargono Soemargono Soemargono Soemargono Sri Redjeki Sunarto, Sandy Ryan Hendrawanto Suprianti, Lilik Susilowati Syafsir Akhlus Tahan Aprijal Simamora Tahan Simamora Tikat Deri Agratiyan Triana, Nurul Widji Viola Eka Afrienty Wicaksono, Akhmad Permadi Yasiroh, Halin Hijra Yogaswara, Rachmad Ramadhan Yoghaswara, Rachmad Ramadhan Yuki Amru Alwansyah Zamzami, Muhammad Rifqy