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All Journal HAYATI Journal of Biosciences VALENSI JURNAL KIMIA SAINS DAN APLIKASI Jurnal Ilmu dan Teknologi Hasil Ternak The Journal of Experimental Life Sciences (JELS) Journal of Degraded and Mining Lands Management Indonesian Green Technology Journal Jurnal Pembangunan dan Alam Lestari Natural B The Journal of Pure and Applied Chemistry Research Journal of Mathematical and Fundamental Sciences JURNAL PENGABDIAN KEPADA MASYARAKAT Science and Technology Indonesia Jurnal Penelitian Pendidikan IPA (JPPIPA) Indonesian Journal of Chemistry JMM (Jurnal Masyarakat Mandiri) PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat JKPK (Jurnal Kimia dan Pendidikan Kimia)
Arie Srihardyastutie
Chemistry Department Brawijaya University
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Journal : Science and Technology Indonesia

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The Addition of Red Dragon Fruit and Lemon Peels for the Improvement of Fermented Beverage Products Sofi Nabila; Arie Srihardyastutie; Sasangka Prasetyawan; Aulanni’am; Rurini Retnowati
Science and Technology Indonesia Vol. 8 No. 1 (2023): January
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2023.8.1.100-107

Abstract

Coconut water is part of the coconut fruit, that has bioactive compounds that are thought to own high inhibitor activity to the presence of tannin compounds. However, this compound is antinutritional because it can interfere with macromolecule out there within the body. Considering chance of tannins, these parts are often reduced by fermentation techniques using lactic acid bacteria. This analysis aims to review the addition of dragon fruit and lemon peels in fermentation coconut water using lactic acid bacteria in order to reduce tannin levels and its potential capability as antioxidants. Coconut water fermented drink was prepared by fermentation technique using lactic acid bacteria with the addition of variations in mass of dragon fruit peel and lemon peel consisting of 5 treatments. The optimum conditions for fermentation of coconut water were determined from the decrease in tannin levels, total acid, and the highest total lactic acid bacteria. The optimum conditions for fermentation of coconut water were then tested using an HPLC instrument. Finally, the antioxidantactivity was tested using the FRAP (Ferric Reducing Antioxidant Power) method. The results showed that the addition of dragon fruit and lemon peels in fermented coconut water can reduce tannin levels, can increase total acid levels and the number of lactic acid bacteria formed in coconut water fermented drinks. The best proportion was obtained in the treatment of rasio of mass 1:2 resulted in the highest decrease in tannin content of 83.94 mg/100 g followed by a total acid value of 1.13% and the number of lactic acid bacteria was 8.4 × 107 CFU/mL. The HPLC chromatogram showed that fermented coconut water using lactic acid bacteria contained organic acid compounds such as lactic acid, acetic acid, and ascorbic acid. The highest antioxidant activity test was 82.37 mmgAAE/g. This study confirmed that the addition of dragon fruit and lemon peels affected the degradation of tannins and increased antioxidant activity during coconut water fermentation using lactic acid bacteria.
Nanoparticle-Enhanced 3D-Connector Microfluidic Paper-Based Analytical Device (3D-µPADs) for Sensitive and Cost-Effective Detection of Albumin-Creatinine Ratio in Urine Sample Sabarudin, Akhmad; Fiddaroini, Saidun; Fahmi, Ahmad Luthfi; Roja’i, Abdul Munir; Salsabila, Isadora Evani; Aulanni’am; Srihardyastutie, Arie; Susanti, Hani; Samsu, Nur
Science and Technology Indonesia Vol. 10 No. 2 (2025): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.2.504-518

Abstract

Chronic kidney disease (CKD) is a global health challenge affecting over 800 million people worldwide. Early detection is crucial to prevent progression to end-stage renal disease (ESRD), where life-saving interventions like dialysis or transplantation are necessary. Among the markers for early kidney damage, the Albumin Creatinine Ratio (ACR) in urine is one of the most reliable. Conventional methods of ACR detection, such as LC/MS-MS and ELISA, are highly accurate but require expensive equipment and skilled personnel, limiting their accessibility, especially in resource-limited settings. To address this, we developed a 3D-connector microfluidic paperbased analytical device (3D-µPADs) enhanced with gold nanoparticles (AuNPs) for sensitive and low-cost ACR detection. The integration of AuNPs amplifies colorimetric signals, enhancing the visual distinction in albumin detection. Our 3D-µPADs werefabricated using chromatographic paper Whatman No. 1 with hydrophobic barriers created by solid wax printing, followed by reagent immobilization for albumin and creatinine detection. The colorimetric and distance responses, based on reactions with Bromocresol Green (BCG) and Chrome Azurol S-Palladium (CAS-Pd2+), were analyzed using ImageJ software to quantify albumin and creatinine levels. The 3D-µPADs exhibited optimal sensitivity and accuracy, with linear detection ranges for albumin and creatinine of 30–400 mg/g. Validation with human urine samples demonstrated an accuracy of 93.04%, suggesting that 3D-µPADs offer a promising alternative for early nephropathy detection. Our findings provide a cost-effective, accessible tool for CKD screening, potentially transforming diagnostics in low-resource environments.
Co-Authors Achmad Rudijanto Agustina Shinta Hartati Wahyuningtyas Akhmad Sabarudin Alyaa Farrah Dibha Andreas Budi Wijaya Angelina Rosmawati Ani Mulyasuryani Anisa Aprilia Anna Roosdiana Anna Roosdiana Anna Roosdiana Anna Roosdiana Astuti, Luluk Indri Asyfariatus Zulfa Azhar Aulanni'am, Aulanni'am Aulanni'am, Aulanni'am Aulanni`am Aulanni`am Aulanni’am Aulanni’am Aulanni’am Aulanni’am Aulanni’am Aulanni’am Aulanni’am, Aulanni’am Azhar, Asyfariatus Zulfa Azor Yulianus Tefa Bambang Poerwadi Barlah Rumhayati Barlah Rumhayati Barlah Rumhayati Chanif Mahdi Chanif Mahdi Chanif Mahdi Chanif Mahdi Chanif Mahdi Chanif Mahdi Danar Purwonugroho Danar Purwonugroho Destyana Ellingga Pratiwi Destyana Ellingga Pratiwi Dewi Permatasari, Dewi Diah Mardiana Dolly Irnawati Neno Elok Zubaidah Endah Setiani Astuti Eny Rahma Wati Eva Nur Laili Octaviana Fahmi, Ahmad Luthfi Fahriyah Fahriyah Faijal Fachrudin Mbabho Fiddaroini, Saidun Firza Rajasa Gunawan Fitria Rahmawati Hani Susanti, Hani Janatun Na’imah Karti'a, Galuh Wahyu KIKI FIBRIANTO Komara, Acep Nana Latifah Tribuana Dewi Made Oka Adnyana Made Oka Adnyana Maria Natalia Wewo Masruri Masruri Maulidiyah, Nuris Shobah Moh. Farid Rahman Mora, Giral Baines Muhammad Asadullah Muhammad Iman Hidayat, Muhammad Iman Nabila, Sofi Naila Azmi Adiba Nur Aeni Nur Lailah Nur Samsu Pertiwi, Vi’in Ayu Pertiwi, Vi’in Ayu Putranty Widha Nugraheni Qonitah Fardiyah Ramadani, Devi Riawati Riawati Riyanti Isaskar Roja’i, Abdul Munir Rulli Rosandi Rurini Retnowati Safitri, Anna Salsabila, Isadora Evani Sasangka Prasetyawan Sasangka Prasetyawan Sasangka Prasetyawan Sasangka Prasetyawan Sasangka Prasetyawan Sasangka Prasetyawan Sasangka Prasetyawan Siti Nurul Afifah Sofi Nabila Sulistiyaningrum, Dwi Rakhmatun Sutrisno Sutrisno Tri Ardiyati Tri Ardyati Tri Ardyati Velayaty Labone Azzahra Vi’in Ayu Pertiwi Wahyudi, Aleyda Nur Halizah Warsito Warsito Warsito Warsito Wuragil, Dyah Kinasih Yudita Prihatini Puji Rahma Sari Yulianti Antula Yuniar Ponco Prananto Yusri Fajar