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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) IAES International Journal of Robotics and Automation (IJRA) HAYATI Journal of Biosciences ACTA VETERINARIA INDONESIANA VALENSI CAUCHY: Jurnal Matematika Murni dan Aplikasi JURNAL LITIGASI (e-Journal) Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik JURNAL MANAJEMEN MUTU PENDIDIKAN (JMMP) MUSTEK ANIM HA Veritas et Justitia Jurnal Sumberdaya Hayati JURNAL KOLABORASI Majalah Obat Tradisional ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika INDONESIAN JOURNAL OF PHARMACY The Indonesian Biomedical Journal Jurnal Teknologi dan Sistem Komputer Raheema Jurnal Ilmiah Peuradeun REiD (Research and Evaluation in Education) Jurnal Bina Praja Indonesian Journal of Chemistry Al-Muzara'ah Jurnal Otomasi Kontrol dan Instrumentasi Journal of Tropical Crop Science SEIKO : Journal of Management & Business BALANCE: Jurnal Akuntansi, Auditing dan Keuangan NUSANTARA : Jurnal Ilmu Pengetahuan Sosial Jurnal Inovasi Hasil Pengabdian Masyarakat (JIPEMAS) ABDIMAS SILIWANGI JURNAL PENDIDIKAN TAMBUSAI Jurnal Ilmu Hukum The Juris Jurnal Kebijakan Sosial Ekonomi Kelautan dan Perikanan JISIP: Jurnal Ilmu Sosial dan Pendidikan Psychology, Evaluation, and Technology in Educational Research TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Journal of Aquaculture and Fish Health Padjadjaran Journal of International Law SULTANIST: Jurnal Manajemen dan Keuangan Jurnal Entitas Sosiologi INTEGRITAS : Jurnal Pengabdian Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Media Informatika Lampung Journal of International Law (LaJIL) Jurnal Pengabdian kepada Masyarakat Nusantara Journal of Contemporary Governance and Public Policy Jurnal Madako Education Uti Possidetis: Journal of International Law Jurnal Arsitektur TERRACOTTA Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Jurnal Ilmiah Wahana Pendidikan Industrika : Jurnal Ilmiah Teknik Industri Devotion: Journal of Research and Community Service Journal of Public Health Innovation (JPHI) International Journal of Robotics and Control Systems Jurnal Ekonomi Bisnis, Manajemen dan Akuntansi (JEBMA) Jurnal Ilmiah Raflesia Akuntansi Jurnal Abdimas Bina Bangsa Reputasi: Jurnal Rekayasa Perangkat Lunak Indonesian Journal of International Law JITEL (Jurnal Ilmiah Telekomunikasi, Elektronika, dan Listrik Tenaga) Jurnal Penelitian Inovatif COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat Prosiding Seminar Nasional Program Pengabdian Masyarakat Jurnal Penelitian Geografi (JPG) Jurnal Ilmiah Manajemen dan Bisnis (JIMBI) Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Indonesian Journal of Chemical Studies (Indones. J. Chem. Stud.) Jurnal Penyuuhan dan Pemberdayaan Masyarakat (JPPM) Jurnal Akuntansi Manajerial (Managerial Accounting Journal) PEMA: Jurnal Pendidikan dan Pengabdian Kepada Masyarakat Mudabbir: Journal Research and Education Studies Industrial Research Workshop and National Seminar Makara Journal of Science eProceedings of Engineering eProceedings of Management Accounting Information System, Taxes, and Auditing Journal (AISTA) Jurnal Pengabdian West Science Journal of Management and Creative Business Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan FISHIANA Journal of Marine and Fisheries Baitul Hikmah: Jurnal Ilmiah Keislaman Jurnal Pemberdayaan Nusantara Journal of Law, Education and Business Madani: Jurnal Pengabdian Masyarakat dan Kewirausahaan Lokawati: Jurnal Penelitian Manajemen dan Inovasi Riset Molekul: Jurnal Ilmiah Kimia Karimah Tauhid Cendikia Pendidikan GEMBIRA (Pengabdian Kepada Masyarakat) Jurnal Hukum dan Pembangunan LIMNOTEK Journal of Fuzzy Systems and Control (JFSC) Journal of Accounting Law Communication and Technology Berkala Forum Studi Transportasi antar Perguruan Tinggi Muta'allim: Jurnal Pendidikan Agama Islam Jurnal Gemilang Informatika (GIT) al Kimiya : Jurnal Ilmu Kimia dan Terapan JIMMI: Jurnal Ilmiah Mahasiswa Multidisiplin Ahsan: Jurnal Ilmiah Keislaman dan Kemasyarakatan Jurnal Edukasi Terkini Portal Riset dan Inovasi Sistem Perangkat Lunak Indonesian Journal of Jamu Jurnal Hukum dan Pendidikan Kewarganegaraan Balance: Jurnal Akuntansi, Auditing, dan Keuangan Jurnal Ilmu Siber SJME (Supremum Journal of Mathematics Education) Indonesian Journal of Islamic Studies
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Journal : VALENSI

Development of a Low-Cost Reflectance Visible Spectrophotometer with Chemometrics for Curcuma xanthorrhiza Roxb. Quality Control Heryanto, Rudi; Iswantini, Dyah; Rohaeti, Eti; Rafi, Mohamad; Rahma, Novia; Hafshah, Nurul; Mardiana, Eni
Jurnal Kimia Valensi Jurnal Kimia VALENSI, Volume 10, No. 2, November 2024
Publisher : Syarif Hidayatullah State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jkv.v10i2.40351

Abstract

A simple, portable visible reflectance spectrophotometer was developed for classifying the quality of Curcuma xanthorrhiza Roxb. The device was assembled using consumer electronic components: an LED as the light source, a DVD optical layer as the diffraction grating, and a webcam as the detector, with web-based software (Spectral Workbench) as the signal processor. The spectrophotometer's performance was evaluated using standard Sudan III samples and powdered C. xanthorrhiza samples from two quality classes (A and B). Spectral data were analysed using principal component analysis (PCA) and partial least squares (PLS) regression.  PCA successfully grouped Sudan III samples by concentration and classified C. xanthorrhiza by curcuminoid content. A PLS regression model was developed for quantifying Sudan III, yielding R² values of 0.9909 for both calibration and cross-validation, with RMSEs of 0.3821% and 0.4152%, respectively. The results closely matched those from a commercial spectrophotometer. A PLS-discriminant analysis (PLS-DA) classification model for C. xanthorrhiza was also developed, achieving sensitivity and specificity values of 1. Additionally, semi-quantitative parameters such as decision limit (26.15% B), detection capability (41.06% B), and unreliability range (26.15–41.06% B) were calculated. The classification model showed strong sensitivity, specificity, and detection capabilities within acceptable limits. These findings suggest that this low-cost reflectance spectrophotometer, combined with chemometric methods, holds promise as a practical tool for the quality control of raw herbal materials.
TLC Fingerprint Analysis and Evaluation of α-Glucosidase Inhibitory and Free Radical Scavenging Activity of Justicia gendarussa from Different Growth Locations Wulansari, Laela; Wahyuni, Wulan Tri; Nurcholis, Waras; Rafi, Mohamad
Jurnal Kimia Valensi Jurnal Kimia VALENSI, Volume 11, No. 1, May 2025
Publisher : Department of Chemistry, Faculty of Science and Technology Syarif Hidayatullah Jakarta State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jkv.v11i1.43662

Abstract

Justicia gendarussa is known to have antioxidant and antidiabetic properties, which are related to the composition and concentration of its metabolites and influenced by differences in growth location. This study aims to evaluate changes in metabolite profiles and biological activities, such as the inhibition of α-glucosidase and free radical scavenging in J. gendarussa genotypes from Bogor, Cianjur, and Sukabumi. Changes in metabolite profiles were assessed using thin-layer chromatography (TLC) fingerprint analysis combined with principal component analysis (PCA). Bioautography TLC using DPPH was performed to confirm the presence of antioxidant compounds. In the TLC fingerprint analysis of J. gendarussa, we obtained 14 bands with good resolution. PCA successfully grouped J. gendarussa extracts based on growth location. The percentage of α-glucosidase inhibitory and free radical scavenging activity was significantly different, with the highest percentage of inhibition of α-glucosidase shown by the IIIS genotype (99.23%) and the highest free radical scavenging (91.35%) demonstrated by the IIB genotype. The results of TLC bioautography confirmed the presence of antioxidant compounds in J. gendarussa represented by bands with Rf 0.04, 0.32, and 0.80. This study concludes that growth location differences influence the variations in metabolite profiles, α-glucosidase inhibitory activity, and free radical scavenging activity of J. gendarussa genotypes.
Development of a Low-Cost Reflectance Visible Spectrophotometer with Chemometrics for Curcuma xanthorrhiza Roxb. Quality Control Heryanto, Rudi; Iswantini, Dyah; Rohaeti, Eti; Rafi, Mohamad; Rahma, Novia; Hafshah, Nurul; Mardiana, Eni
Jurnal Kimia Valensi Jurnal Kimia VALENSI, Volume 10, No. 2, November 2024
Publisher : Department of Chemistry, Faculty of Science and Technology Syarif Hidayatullah Jakarta State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jkv.v10i2.40351

Abstract

A simple, portable visible reflectance spectrophotometer was developed for classifying the quality of Curcuma xanthorrhiza Roxb. The device was assembled using consumer electronic components: an LED as the light source, a DVD optical layer as the diffraction grating, and a webcam as the detector, with web-based software (Spectral Workbench) as the signal processor. The spectrophotometer's performance was evaluated using standard Sudan III samples and powdered C. xanthorrhiza samples from two quality classes (A and B). Spectral data were analysed using principal component analysis (PCA) and partial least squares (PLS) regression.  PCA successfully grouped Sudan III samples by concentration and classified C. xanthorrhiza by curcuminoid content. A PLS regression model was developed for quantifying Sudan III, yielding R² values of 0.9909 for both calibration and cross-validation, with RMSEs of 0.3821% and 0.4152%, respectively. The results closely matched those from a commercial spectrophotometer. A PLS-discriminant analysis (PLS-DA) classification model for C. xanthorrhiza was also developed, achieving sensitivity and specificity values of 1. Additionally, semi-quantitative parameters such as decision limit (26.15% B), detection capability (41.06% B), and unreliability range (26.15–41.06% B) were calculated. The classification model showed strong sensitivity, specificity, and detection capabilities within acceptable limits. These findings suggest that this low-cost reflectance spectrophotometer, combined with chemometric methods, holds promise as a practical tool for the quality control of raw herbal materials.
Co-Authors ,, Afrizal ,, Syafri . TRIVADILA AA Sudharmawan, AA Abd Hamid, Harris Shah Abdi, Muhammad Ramadhan Mulia Abdinur, Iswandi Abdul Aziz Abdul Karim Abdul Khobir Abdullah, Asaduddin Abdurahman Abdurrahman ABDURRAHIM, AIM Abrar, Rayshal Ade Heri Mulyati, Ade Heri Adenan, Ahmad Rezky Adi Fahrezy, Rafly Adinda Faniyah Yusha Adityas Widjajarto Adityo Darmawan Sudagung Agung Prabowo Sulistiawan Agung, Sandi Swasta Agus Santoso Agus saputra Agus, Noor Helmalia Agustria, Rhemmo Bimola Ahmad Shiddiq, Ahmad Aidil, Syahrul Akhmad Sabarudin Akmal, Mochammad Dekcy Alethea, Gress Alfarisi, Muhammad Salman Ali Yusri Alieyati, Putri Fauziah Alifian Kautsar, Miem Alimuddin , Alimuddin Amara, Siti Khofifah Amnur, Ismail Amrullah, Arfan Ananda, Dhini Andi Masriah Andi Sahputra Depari ANDIKA, ERICK Andika, Erick Andika Andika, Reza Andini, Aura Fatikha Anggia Murni Anggraini, Nurlita Putri Anggreyani, Delfi Angkat, Futri Okana Ani Retno Prijanti Anindya, Weni Anisa, Nisifa Prila Annisa Apino, Ezi ARDIANSYAH ARDIANSYAH Ardinonsyah, M. Rafli Arief Syaichu Rohman, Arief Syaichu Arief, Rayhan Arif Bizikrillah, Wahyu Arif Devi Dwipayana, Arif Devi Arif Rahman Hakim Armel Yentifa Arsensius Arsensius, Arsensius Arwindra Rizqiawan Ary Prabowo Aryo Tedjo Asyrafurrahim, Muhammad Aulia, Ferinda Avidlyandi, Avidlyandi Awaka, Muhammad Qahar Awfa, Qifari Ayu, Rani Ayunda Pratiwi, Venni Azahra, Anggita Badaly, Muhammad Zeini Badrunanto Badrunanto Baisrum, Baisrum Bangun, Budi H. Baskoro Wicaksono, Baskoro Bobby Reza Budi Hermawan Bangun Budi Riza Putra Budi Santoso, Arianto Butarbutar, Marisi Cahyani, Gita Cahyani, Latifah Dwi Cahyanisa, Zalwa Cahyati, Nur Alam Dwi Cindy, Rahayu Darma, Revi Yulia Darwin Lie Dauletkulova, Aigul Dayati, Dewi Deriansyah, Deriansyah Dicky Levenus Tahapary Diki, Diki Dikjaya, Dikjaya Dirgantara, Rifki Salman Djidu, Hasan Dwi Anjani, Resti Dwi Permana, Shadam Dyah Iswantini Dzaky Naufal Tsany Edhi Sandra Edy Djauhari Purwakusumah Edyson, David Efendi Efendi Eka Safitri, Delya Elbizzar, Passya Elida, Sri Agustriani Elly Arliani Elok Kamilah Hayati Elvina Elvina Endah Rantau Itasari, Endah Endang Sunarwati Srimariana Erlan Hafid, Muhamad Erlangga, Jasrian Erwin Erwin Erwin Eti Rohaeti Eva Ayuzar, Eva Evi Purwanti Fadhila, Salma Iza Fadilah Fadilah, Fadilah Fadilah, Ahmad Arif Farit Mochamad Afendi Fatma Muthia Kinanti, Fatma Muthia Fauzi, Azhar Fazillah, Nur Febriansyah, Rizaldi FITRIANINGRUM, DEWI Fitriyani, Rofi Fridawati, Titit Garuda Wiko Gunawan, Khairol Guntur Haludin Guslan, Fero Alfharizi Gusmarinda, Yolla Gustiani, Lilis Hadi, Muhammad Abdul Hafshah, Nurul Hamdan Hamdan Hamdani Hamdani Hariani, Bunga Puja HARJANTO, WILDAN NURFAUZAN Helfira Citra Hendra Darmawan Hendrawati, Trisiani Dewi Hera Nirwati Herawati, Rafidah Herdiyanto Herdiyanto Heri Retnawati Heri Wibowo Heykel Revelyn Fahrezy Hidajat, Koerniawan Hidayah, Ismiyah Rahmawati Hijriah Hijriah Hikmat, Ujang Saeful Himmawati Puji Lestari Huala Adolf Hutama, Nanda Putra IDRIS - IETJE WIENTARSIH Ika Kartika Ilman, Sofyan M. Ilmia, Lilik Aslikhatun Indah Pratiwi Intan Satriani Irene, Angelina Irfandi Irfandi, Irfandi Irma Herawati Suparto Irmanida Batubara Isabella Isabella Isan, Muhammad Isya, Yasmien Nurul Itasari, Endah R. Iwan Purnama Izzati, Mumpuni Nur Izzatussyakira, Izzatussyakira Jailani Jailani Jannah, Riskotul Junior, Oviera Kana Hidayati Kardanova, Elena Karomah, Alfi Hudatul Kartianom, Kartianom Kartono Wijayanto, Kartono Kassymova, Gulzhaina K. Kassymova, Gulzhaina Kuralbayevna Kaylasalma, Nazla Kencana, Novia Khafit Wiradimafan Kiko Armenita Julito Koesmawan, Koesmawan Kridayani, Gita Kurniawan, MT Lail, M. Khabib Jamlalul Lantip Diat Prasojo Lina Novianti Sutardi Linda Karlina Sari Lukiyana, Lukiyana Lukman, Arsin Madya, Muhammad Miftahul Maharani, Annisa Maharani, Rhisma Mahardhika, Nadia Nur Mahardhika, Rayhan Agistian Mahardi, Albar Putra Maliki, Adam Dewandiva Mandasari, Tika Mardiana, Eni Marshanda, Yesi Martha Rahayaan, Octa Fya Martin Martin Martina Martina Masya Grasilla, Dania Mathilda Susanti Maula, Athaya Maulana Yusuf Maulana, Hamdi Meutia Samira Ismet Milda, Gustia Moenzain, Muhammad Daffa Mohamad Zein Saleh Morina Adfa Muhammad Basri Muhammad Fakhri Muhammad Fathinuddin MUHAMMAD HARIS Muhammad Hatta Muhammad Rizki Muhammad Syafei, Muhammad Muhammad Zaki Mulanti, Rahmah Muliawan, Muhammad Arif Munandar, Rafly Muthmainnah, Nurul Fitri Nabila, Novi Rahma Nadiah, Nur Syafiqah Nadiro, Vina Nur Nadya Cakasana Najwa Safitri, Rani Ayu Nampiah Sukarno Nayotama, Jati Abrar Nenden Susilowati Nirzalin Novarinoaly, Favian Novi Yantih Novia Rahma Novianti, Nia Novriana, Rosti Nudin, Burhan Nurjannah, Lilis Nurmalasari Nurmalasari Odang Carman Pahmi Amri Pane, Rico Purnawandi Pane, Siddik Parasmita, Puput Sylva Pardede, Timbul Pazila, Laila Permata, Leni Cahaya Prama Hartami Pramadhani, Diovita Hernika PRASETYO ADI NUGROHO, PRASETYO ADI Prasetyo, Rafly Ferry Prasetyo, Sisman Pratama, Yogi Pratiwi, Rizky Kusma Punggawa, Alang Purmasari, Davita Purnamasari, Irma Putra, Bagas Kautsar Azizal Putra, Devi Yanda Putri, Dhiya Ulhaq Riyan Putri, Fina Sonia Rabbani, Hilmi Rachman, Zaqawi Rafif, Kevin Rahayu, Nadiya Dwi Rahmad, Yuli Rahmatullah, Andhyka Rajhendra, Reza Rama Iqbal Yudhistira Sujana Ramadhan, Rafsanjani Ramadhani, Dian Eka Ramadhani, Shafira Catur Yanda Rayhan Arief Widitya Rd. Rohmat Saedudin Refaldo Asta Ridha Khairani, Ridha Ridhova, Aga Rido Yosep Angelio s Rika Lestari Rinaldi Idroes Rindrayani, Sulastri Rini Risna Ristanti, Yunda Rita Rahmawati Rizky Firmansyah Romadhona, Muhammad Rizki Rosyada, Munaya Nikma Royani, Lusi Rudi Heryanto Rukmana, Ella Rusmin, Pranoto Hidaya Sabila Fauziah, Sarah Sabrina, Nur Aini Sabrina, Nurrita Saffalefi, Muhammad Farel Sagio, Ibrahim Salamah , Salamah Saleh, Yazid Salini, S.Sarwita SALPRIMA YUDHA S Sandra Arifin Aziz Santoso, Arianto Budi Saputra, Agus Saputra, Aprinaldi Saputra, Zevvan Aldias Sarah Derma Ekaputri Sari, Anita Edya Melliana Sari, Elvika Permata Sari, Fadila Sarjono Wahyu Jadmiko, Sarjono Wahyu Satria, Ramadhio Septaningsih, Dewi Anggraini Septiawan, Fadlilah Reza Septinda Rima Dewanti Setya Resmini Setyanoor, Erwan Shabrina, Nursyah Shafira D.A, Siti Silalahi, Reynaldi Patrizio Silmi Mariya Silvia, Riva Silviani, Dea Simbolon, Lenni Mariana Sinaga, Ali Imran Siti Aisyah Siti Masripah, Siti Soa, Alfonsus Hendri Sofi Mursidawati Sofian Yahya, Sofian Sotlikova, Rimajon Sri Listiyowati Sri Vandayuli Riorini Steven, Anthony Nyangson Suci , Naya Suci Rahma Nio Sugawa, Fauzan Sugeng Widodo Suharto Suharto Suhendro Sukendi, Yeli Sumaryanto Sumaryanto, Sumaryanto Sundari, Susanti Suparto Suparto Surya Putra, R. Aryo Bimo Susilo, Erwin Suswanta Sutoyo , Sutoyo Syafi’i, Makmum Syahdani, Muhammad Habibi Syamsiar, Syamsiar Tanjung, Muaz Taopik Ridwan Thaha, Yudi Nugraha Thomas, Silvester Tohib, Devanka Aulia Tolegenov, Bakyt Triadi S, Shafwan Triawan, Deni Agus Trikorianto, Miftah Aji Tuanaya, Rugaya Tyas, Diva Retnaning Uden, Suparman Ujang Badru Jaman Uswatun Hasanah Utami Dyah Syafitri Utami, Rahma Kurnia Sri Wafi Nurrafa, Nazla Wahab, Faisal Wan Asrida Waras Nurcholis Wazni, Wazni Wibowo, Pascalis Pria Wildayati, Wildayati Wilson, Eric Wira Atma Hajri, Wira Atma Wisnu Ananta Kusuma WN, Zubaidah Wulan Tri Wahyuni Wulandari, Melvira Wulansari, Laela Yogie Zulkurnia Rochmana Yuwono, Fachrizal Satrio Putro Zalfa Fadilah, Siti Zalukhu, Aurentinus Zuhelmi Aziz Zulhazur, Zulhazur Zuraida Zuraida