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The document analyzes the alkaloid content and antibacterial activity of betel fruit (Piper betle L.) extract against Staphylococcus epidermidis bacteria. The study found that betel extract contained alkaloids, as evidenced by orange stains on TLC plates sprayed with Dragendrof reagent. UV-Vis spectrophotometry analysis found alkaloids with a maximum wavelength of 282 nm. Testing showed that 10% and 20% betel extract concentrations had strong antibacterial activity against S. epidermidis, while the 40% conc
- Author
- ziq ya
- Language
- EN