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Altitude-dependent Variation in Antibacterial Properties of Red Ginger (Zingiber officinale var. rubrum): Implications for Natural Anti-Salmonella Agents Widyastuti, Dyah Ayu; Nuringtyas, Tri Rini; Rohman, Abdul; Santosa, Djoko
Advance Sustainable Science Engineering and Technology Vol. 8 No. 2 (2026): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v8i2.2781

Abstract

Red ginger contains diverse bioactive compounds with strong antioxidant and antibacterial activities. This study investigated the influence of growth location on the anti-Salmonella activity of red ginger extracts from seven regions in Java, Indonesia. The fractions were analyzed for total phenolic and flavonoid contents, as well as antioxidant capacity using DPPH and FRAP assays. Antibacterial activity was assessed against Salmonella using the Kirby-Bauer disk diffusion method. Results showed that methanol and ethyl acetate fractions exhibited the highest phenolic and flavonoid contents, while the chloroform fraction demonstrated the strongest radical scavenging activity. Extracts from Bumiaji and Lendah displayed the most potent anti-Salmonella activity (inhibition zone: 10.08 to 18.00 mm). These findings highlight that altitude and solvent polarity influence red ginger bioactivity, supporting its potential as a natural antibacterial source.
Co-Authors Abdul Rohman ABIYYU, NAUFAL Adita Yuniati Puspitasari Aldawood, Abdulrahman Saad ALIM ISNANSETYO Amalia, Alifa Andi Nur Cahyo Aries Bagus Sasongko BUDI SETIADI DARYONO Canggih Setya Budi Caroline Dwiseptianti Chandra, Klara Kharisma Bunga Charlie Ester de Fretes Damayanti, Frisca Dedi Setiadi Denis FABRE Dewi, Siska Noviana DIAH RACHMAWATI Diani Mentari Dio N. Wijaya Djoko Santosa Donny Widianto Dwi Indriani Manurung Dwiseptianti, Caroline Dyah Ayu Widyastuti Dyah Ismoyowati, Dyah Eka Tarwaca Susila Putra Eka Tarwaca Susila Putra Eko Pujiono Endar Marraskuranto Enik Nurlaili Afifah Erwin Nur Indiarto Fajri Marisa Febri Adi Susanto Febri Adi Susanto Fitrianita, Alfia Hari Purwanto Harno Dwi Pranowo Hendry Tri Sakti Saragih Hiqmah Yusi Yana I MADE ARTIKA ILG Nurtjahjaningsih, ILG JAKA WIDADA Krisnanda Surya Dharma Krisnanda Surya Dharma L. Hartanto Nugroho Lailaty, Intani Quarta Liliana Baskorowati Lindia Anggraini Lindia Anggraini Lisna Hidayati Mashudi Mashudi Megayani Sri Rahayu Mirtani Naima Muhammad Imam Surya Muhammad Nursid Mustafid Rasyiid Naima, Mirtani Nastiti Wijayanti Nastiti Wijayanti Nastiti Wijayanti Nastiti Wijayanti Nastiti, Anisa Diana Novitasari, Laras Nugroho, Hartanto Nurrahmi Dewi Fajarningsih, Nurrahmi Dewi Pascal MONTORO Purnomo Purnomo Qulbi, Siti Shofa Assyifa Rahma Nurdiyanti Rahma Nurdiyanti Rahmawati, Rahmawati Ramadhani, Fathur Syahrian Rendi Mahadi Rendi Mahadi Respati Tri Swasono Rina Laksmi Hendrati Rina Sri Kasiamdari Riris Istighfari Jenie Riska Wulansari Roberdi, Roberdi Rohman, Randi Abdur Ronny Martien Rudi Hari Murti Rudi Hari Murti Sebastian, Alfino Setiowati, Retno Diah Sigit Dwi Maryanto Siregar, Josephine Elizabeth Sri Wening Sudarsono Sugeng Pudjiono, Sugeng SUKIRNO Sumardi . Surta, Muhammad Imam Susanto, Febri Adi Tony Liwang Tri Joko Raharjo Tri Joko Raharjo Tri Wibawa Triyaningsih Triyaningsih, Triyaningsih Utomo, Condro Wardhani, Bantari Wisynu Kusuma Wibisono, Mochamat Gunawan Wibowo, Syahputra Wulansari, Riska Yekti Asih Purwestri Yosi Bayu Murti Zulkifli Zulkifli