Green extraction and partial purification of roselle (Hibiscus sabdariffa L.) extracts with high amounts of phytochemicals and in vitro antioxidant and antibacterial effects

What if the secret to a potent natural medicine was hiding in your cup of herbal tea? Roselle extract, boosted by green technology, just showed it can fight bacteria and mop up free radicals.

This research highlights a path toward more sustainable and effective natural preservatives or therapeutic agents. By fine-tuning extraction and purification, we can maximize the benefits of plants like roselle without harsh chemicals. The result is a cleaner, more powerful extract ready for further exploration.

Key Points

• Ultrasonic green extraction yields high phytochemicals from roselle.
• F28 fraction boosts antioxidant power and keeps antibacterial action.
• Extract fights E. coli, S. aureus, and other pathogens.