Indigenous Ethiopian traditional medicinal plant leaf extract,Croton macrostachyus,loaded PCL electrospun nanofibrous mat as potential wound dressing: In vitro analysis
Restricted accessResearch articleFirst published online July, 2024
Indigenous Ethiopian traditional medicinal plant leaf extract,Croton macrostachyus,loaded PCL electrospun nanofibrous mat as potential wound dressing: In vitro analysis
The main aim of this study was to investigate the potential application of an indiginous Ethiopian medicinal plant, Croton macrostachyus, into PCL nanofibers through electrospinning for the first time. Croton macrostachyus (CM) leaf has antibacterial and wound healing properties. Croton macrostachyus of 1%, 3%, 5%, and 7% (w/v) incorporated PCL nanofibrous mats were produced through electrospinning. The produced nanofibrous mats morphology observed by scanning electron microscopy (SEM) was found to be continuous, bead-free, and interconnected. The average diameters of PCL, PCL-1%CM, PCL-3%CM, PCL-5%CM, and PCL-7%CM nanofibrous mat is 309 ± 114, 271 ± 66, 235 ± 56, 226 ± 65, and 216 ± 42 nm, respectively. According to the FTIR results, the CM leaf extract was successfully incorporated into the PCL nanofibers. The bacterial reduction percentage value of PCL-1%CM, PCL-3%CM, PCL-5%CM, and PCL-7%CM nanofiber mats against S. aureus is 77.00%, 99.88%, 99.91%, and 99.99%, and 35.00%, 78.00%, 90.00%, and 99.30% against E. coli. The in vitro release study showed that there was an immediate release of CM within 24 h and then a steady sustained release of 51.36, 53.92, 54.99, and 57.12% up to 72 h at 1%, 3%, 5%, and 7% concentration, respectively. The presence of CM leaf extract in the PCL nanofiber increased the hydrophilicity of the pure PCL nanofiber (100% hydrophilic at 7% leaf extract concentration). In general, the results of the in vitro study confirmed that the PCL nanofibrous mats loaded with CM leaf extract are suitable for use as an effective wound dressing with a broad spectrum of antimicrobial activity and hydrophilic properties.
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