📅 31 March 2026
DOI: 10.26877/asset.v8i2.2781
Altitude-dependent Variation in Antibacterial Properties of Red Ginger (Zingiber officinale var. rubrum): Implications for Natural Anti-Salmonella Agents
Advance Sustainable Science, Engineering and Technology (ASSET)
Universitas Persatuan Guru Republik Indonesia Semarang
📄 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.
🔖 Keywords
#altitude; disk diffusion; solvent fractionation; Zingiber officinale var. rubrum
ℹ️ Informasi Publikasi
Tanggal Publikasi
31 March 2026
Volume / Nomor / Tahun
Tahun 2026
📝 HOW TO CITE
Widyastuti, Dyah Ayu; Nuringtyas, Tri Rini; Rohman, Abdul; Santosa, Djoko, "Altitude-dependent Variation in Antibacterial Properties of Red Ginger (Zingiber officinale var. rubrum): Implications for Natural Anti-Salmonella Agents," Advance Sustainable Science, Engineering and Technology (ASSET), Mar. 2026.
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