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Vita Paramita
Program Diploma Teknik Kimia, Fakultas Teknik, UNDIP. Jl. Prof. Sudarto, SH Tembalang, Semarang 50239
Agriculture, Biological Sciences & Forestry Arts Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : Indonesian Food Science and TechnologyJournal

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Optimization of Coffee Bean Extraction Using Subcritical Water: A Response Surface Methodology Approach for Maximizing Caffeine and Antioxidant Yield Sutrisno, Sutrisno; Yulianto, Mohamad Endy; Ariwibowo, Didik; Paramita, Vita; Utari, Febiani Dwi; Azhara, Belinda; Monawisya, Abitha; Rizki, Muhammad
Indonesian Food Science and Technology Journal Vol. 9 No. 1 (2025): Volume 9 Number 1, December 2025 |IFSTJ|
Publisher : Department of Technology of Agricultural product (THP) Jambi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/ifstj.v9i1.43017

Abstract

This study explores the optimization of Subcritical Water Extraction (SWE) for maximizing caffeine and antioxidant yields from coffee beans using Response Surface Methodology (RSM). A Central Composite Design (CCD) was employed to evaluate the interaction effects of three key variables: temperature, solvent volume, and extraction time. As an eco-friendly alternative to conventional extraction methods, SWE was optimized based on these parameters. Statistical analysis confirmed their significant influence on bioactive compound recovery, with optimal conditions—162.440 °C, 28.409 mL of solvent, and 27.389 minutes—yielding 0.395 mg/mL caffeine and 27.039 μg/mL antioxidants, achieving a composite desirability value of 0.873. SEM analysis revealed significant structural degradation in the SWE-treated coffee extract, enhancing the release of caffeine and antioxidants by increasing porosity and cell wall disruption. This improved extraction efficiency, combined with SWE’s solvent-free nature and scalability, reinforces its role as an efficient method for extracting bioactive compounds from coffee, supporting its adoption as a green technology in sustainable food processing.
Co-Authors Adiatma, Afifta L Aini, Falasifah N Aji Prasetyaningrum Allamah, Labibah Ardi, Pradipta Risma Rukma Ardi, Pradipta Risma Rukmana Arifah, Difa Al Asari, Yunita Dwi Azhara, Belinda Berkah, Fitroh Bawa Broto, R. T. D. Wisnu Damayani, Intan Ardina Devanda, Ilyas Rabbani Didik Ariwibowo Elok Faiqoh Fatmawati, Zulaikhah Fauzi, Nurrohmat FS Nugraheni S Gothicardo, Devano Hariyatno, Shelvin Putri Heny Kusumayanti Hermawan Dwi Ariyanto Hidayatul Masruroh Ikmalanas, Salma Imamsyah, Ragil Agnes Safira Indah Hartati Irene, Imer Ayu Karyadi, Nabila Putri Khasanah, Vina Nafidzatul Kurnianto, Ade Kurniawati, Yesi Laila Faizah Achmad, Laila Faizah Latif, Abdullah Leviana, Wilandika Malikah, Anna Irdatul Margaretha Tuti Susanti Masruroh, Ulla Disky Meizalin, Anna Amelia Milzam, Muhammad Mohamad Endy Y Yulianto Monawisya, Abitha Muhammad Rizki Muhammad, Firnanda Rayyan Mulyaningsih, Rizki Namira, Zahra Rahma Nisa, Qurrotun A'yuni Khoirun Nolalita, Aureliya Helmaleni Nugraheni, Fransisca Sri Nurlaili, Fitri Dwi Nur’ Aini, Laela Oktaviani, Rosiana Pradasari, Aprilina Siska Pradipta, Tito Prameswari, Nida Hamidah Pramudika, Satya Pranita, Zahra Aumy Pudiastuningtyas, Nurul Pujiastuti, Alfyan Puspita, Anggrek Sinar Putry, Cindyana Qorina, Zahra Nurjannati Rahman, Azizah Rasyid, Zulfa Wulandari Riadhus Shalihin, Muhammad Zaki Rizka Amalia Rizka, Rashinta Sansabhilla, Faradiva Santoso, Shafira Ardaneswari Sapatra, Enrico Fendy Saputri, Arum Dyah Saputri, Rizky Yunita Sari, Gustry Ratna Sari, Ratmi Rahma Satrio, M. Akbar Shalihin, Muhammad Zaki Riadhus Siregar, Vynda Dindasari Sitio, Septi Enjelina Sovia, Ghina Sutrisno, Sutrisno Tasmalia, Ria Udin Bahrudin, Udin Utari, Febiani Dwi Wahyunimgsih, Wahyunimgsih Wibisono, Enggar Sulistyo Wikanta, Deddy K Yando, Adhit Mardita Zainal Abidin