Extraction, Phytochemical Screening and Antibacterial Activity of Zingiber officinale Rhizome extracts against Microorganism

Background: The examination of plant-based substitutes is required due to the growing resistance of harmful microbes to traditional antibiotics. The growth of antibiotic-resistant bacteria presents a significant threat to public health, necessitating the development of alternative antimicrobial drugs. Zingiber officinale (ginger) has long been utilized for its therapeutic characteristics, including antibacterial activity. Purpose: The purpose of this study was to investigate the potential of Zingiber officinale as a natural antimicrobial agent by assessing the phytochemical components and antibacterial activity of rhizome extracts against Escherichia coli. Method: The rhizomes of fresh ginger were washed, dried, and then crushed into a coarse powder. Petroleum ether, chloroform, and ethanol were used in the maceration process for extraction. To find substances such flavonoids, alkaloids, phenols, terpenoids, tannins, steroids, and glycosides, the extracts underwent qualitative phytochemical screening. The agar well diffusion technique was used to evaluate the antibacterial activity at doses of 50, 100, and 150mg/ml. The standard reference was ciprofloxacin (30mg/ml). Results: In comparison to petroleum ether extracts (16mm) and chloroform (19mm), ethanol extract exhibited the strongest antibacterial activity and the richest phytochemical profile, with a maximal inhibition zone of 22mm at 150mg/ml concentration. Ethanol extract demonstrated exceptional effectiveness with a minimum inhibitory concentration (MIC) of 100mg/ml. Conclusion: Based on the results, Zingiber officinale rhizome has strong antibacterial properties, especially its ethanol extract. This demonstrates that it may be used to treat bacterial infections as a natural substitute for conventional antibiotics.